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The information in this prospectus supplement is not complete and may change. This prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.
 
 
Filed Pursuant to Rule 424(b)(5)
Registration No. 333-128088
 
SUBJECT TO COMPLETION, DATED APRIL 3, 2007
PROSPECTUS SUPPLEMENT (TO PROSPECTUS DATED JANUARY 23, 2007)
 
9,000,000 Shares
 
(FUELCELL ENERGY LOGO)
Common Stock
 
 
 
We are selling 9,000,000 shares of our common stock.
 
Our common stock is listed on The NASDAQ National Market under the symbol “FCEL”. The closing price on April 2, 2007 was $7.73 per share.
 
The underwriters have an option to purchase a maximum of 1,350,000 additional shares to cover over-allotments of shares.
 
Investing in our common stock involves risks.  See “Risk Factors” beginning on page S-6 of this prospectus supplement.
 
                         
          Underwriting
       
    Price to
    Discounts and
    Proceeds to
 
    Public     Commissions     FuelCell  
 
Per Share
  $           $           $        
Total
  $           $           $        
 
Delivery of the shares of common stock will be made on or about April   , 2007.
 
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is accurate or complete. Any representation to the contrary is a criminal offense.
 
Credit Suisse
Canaccord Adams Lazard Capital Markets RBC Capital Markets
 
The date of this prospectus supplement is April   , 2007.


 

This document is in two parts. The first part is this prospectus supplement, which describes, adds to, updates and changes information contained in the accompanying prospectus and the documents incorporated by reference. The second part is the accompanying prospectus, which gives more general information. To the extent the information contained in this prospectus supplement differs or varies from the information contained in the accompanying prospectus or any document incorporated by reference, the information in this prospectus supplement will control.
 
You should rely only on the information contained in or incorporated by reference into this prospectus supplement and the accompanying prospectus. We have not authorized anyone to provide you with information that is different. This prospectus supplement is not an offer to sell or solicitation of an offer to buy these shares of common stock in any circumstances under which the offer or sale is unlawful. You should not assume that the information we have included in this prospectus supplement or the accompanying prospectus is accurate as of any date other than the date of this prospectus supplement or the accompanying prospectus or that any information we have incorporated by reference is accurate as of any date other than the date of the document incorporated by reference regardless of the time of delivery of this prospectus supplement or of any such shares of our common stock. Our financial condition, results of operations and business prospects may have changed since that date.
 
Information contained on our website does not constitute part of this prospectus supplement or the accompanying prospectus. FuelCell Energy®, the FuelCell Energy logo, Direct FuelCell® and DFC® are our trademarks. All other trademarks that may appear or be incorporated by reference into this prospectus supplement are the property of their respective owners.
 
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SUMMARY
 
This summary highlights information contained elsewhere or incorporated by reference into this prospectus supplement and accompanying prospectus. This summary does not contain all the information that you should consider before investing in our common stock. You should carefully read the entire prospectus supplement and the accompanying prospectus, including the “Risk Factors‘ section, starting on page S-6 of this prospectus supplement, as well as the financial statements and the other information incorporated by reference herein before making an investment decision.
 
Overview
 
We are a world leader in the development and manufacture of fuel cell power plants for ultra-clean, efficient and reliable electric power generation using renewable and domestic fuels. Our products are designed to meet the 24/7 baseload power needs of commercial, industrial, government and utility customers. To date our products have generated over 150 million kilowatt hours of electricity and we have over 60 power plant installations worldwide.
 
Our executive offices are located at 3 Great Pasture Road, Danbury, Connecticut 06813. Our telephone number is (203) 825-6000. We maintain a web site at the following Internet address: www.fuelcellenergy.com.  The information on our web site is not part of this prospectus.
 
Unless the context otherwise requires, references in this prospectus to “FuelCell,” “we,” “us” and “our” refer to FuelCell Energy, Inc.
 
As used in this prospectus, all degrees refer to Fahrenheit (ºF), and kilowatt and megawatt numbers designate nominal or rated capacity of the referenced power plant. As used in this prospectus, “kilowatt” (kW) means 1,000 watts; “megawatt” (MW) means 1,000,000 watts; “kilowatt hour” (kWh) is equal to 1 kW of power supplied to or taken from an electric circuit steadily for one hour; and “BTU” is equal to one million British Thermal Units, which is the amount of heat necessary to raise one pound of pure water from 59ºF to 60ºF at a specified constant pressure. All dollar amounts are in U.S. dollars unless otherwise noted.
 
Summary of Business
 
We have been developing fuel cell technology since our founding in 1969. Our core carbonate fuel cell products (“Direct FuelCell®” or “DFC® Power Plants”) offer stationary applications for customers. In addition to our current commercial products, we continue to develop our next generation of carbonate fuel cell and hybrid products as well as planar solid oxide fuel cell (“SOFC”) technology with our own and government research and development funds.
 
Our proprietary carbonate DFC power plants electrochemically (meaning without combustion) produce electricity directly from readily available hydrocarbon fuels, such as natural gas and biomass fuels. Customers buy fuel cells to improve reliability, to reduce costs and to reduce emissions.
 
We believe our products offer significant advantages compared to other power generation technologies:
 
  •  Reliable 24/7 baseload power,
 
  •  High fuel efficiency,
 
  •  Ultra-clean (e.g. virtually zero emissions) quiet operation,
 
  •  Lower cost to generate electricity, and
 
  •  The ability to site units locally and provide high temperature heat for cogeneration applications.
 
Our core products, the DFC300MA, DFC1500MA and DFC3000, are currently rated in capacity at 300 kW, 1.2 MW and 2.4 MW, respectively and are designed for applications up to 50 MW. Our products are designed to meet the baseload power requirements of a wide range of customers including wastewater treatment plants (municipal, such as sewage treatment facilities, and industrial, such as breweries and food processors), hotels, manufacturing facilities, universities, hospitals, telecommunications/data centers,


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government facilities, as well as grid support applications for utility customers. Our DFC power plants can be part of a total onsite power generation solution for customers with our high efficiency products providing the baseload power with grid-delivered electricity and intermittent power, such as solar, or less efficient combustion-based equipment providing peaking and load following energy needs. Our fuel cells offer flexible siting and easy permitting. Our products are also ideal to meet the needs of utilities and Renewable Portfolio Standard mandates.
 
The market is beginning to recognize the advantages of stationary fuel cell power. Volatile fuel and energy prices, the ratification of the Kyoto Protocol by over 160 countries since 2005, and worldwide efforts to minimize greenhouse gases like CO2 and other harmful emissions with mandates for significant increases in clean electric power generation, are placing greater emphasis on ultra-clean, high efficiency distributed generation products. Electric generation without combustion significantly reduces harmful pollutants such as nitrogen oxide, sulfur oxide and particulates. Higher fuel efficiency results in lower emissions of carbon dioxide, a major contributor of harmful greenhouse gases and also results in less fuel needed per kWh of electricity generated and Btu of heat produced, thereby reducing exposure to volatile natural gas costs and minimizing operating costs. With increasing demand for renewable and ultraclean power options, and increased volatility and uncertainty in electric markets, our customers gain control of power generation economics, reliability and emissions.
 
Our business strategy is to expand our leadership position in key markets, build multi-megawatt markets and continue to reduce the costs of our products. We believe that with the emergence of the Renewable Portfolio Standard markets, the growth of the California market and continuing product cost reduction, we are well positioned to move to profitability.
 
Recent Developments
 
Expanded distribution agreement with POSCO Power
 
On February 20, 2007, we announced a ten-year manufacturing and distribution agreement with POSCO Power, a subsidiary of our Korean strategic distribution partner, POSCO. For the first two years of the agreement, we will sell complete Direct FuelCell power plants to POSCO Power. Beginning in year three, POSCO Power will buy fuel cell modules manufactured by us in Connecticut and build its own balance of plants in South Korea using its design, procurement and manufacturing expertise to achieve further cost savings. Under the terms of the agreement, we will receive a 4.1 percent royalty on sales made by POSCO Power payable in a combination of cash and common stock. As part of the transaction, POSCO Power also purchased approximately 3.8 million shares of our common stock for an aggregate consideration of $29 million.
 
Connecticut Project 100
 
On March 26, 2007, the Connecticut Clean Energy Fund (“CCEF”) announced that it had screened and selected six energy projects, incorporating 68 megawatts of FuelCell Energy, Inc.’s fuel cell products. The state’s two electric distribution companies will review CCEF’s recommendations and perform additional analyses leading to their selection of the projects to receive long-term power purchase agreements.
 
Projects incorporating our products are as follows:
 
  •  ERG Milford, LLC — A 7.9 MW DFC-ERGtm project that pairs 7.2 MW of DirectFuel Cell® (DFC®) power plants with a 1.5 MW pipeline turbo expander. FuelCell Energy, Inc. is partnered with Enbridge, Inc. (NYSE: ENB) and Southern Connecticut Gas Company for the project which is expected to achieve an electrical efficiency of approximately 60 percent. When natural gas is transferred from transcontinental pipelines to local distribution pipelines, the gas cools. The DFC-ERG system will capture the heat byproduct from FuelCell Energy’s DFC3000 fuel cell and use the heat to warm the gas to its proper distribution temperature. Excess power from the DFC-ERG system will be exported to the grid.


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  •  Elemental Power Group — Danbury — A 19.6 MW project consisting of 8 DFC power plant units which incorporate organic rankine cycles to convert excess thermal energy from the fuel cells to deliver additional low-emissions electrical output. Achieving an electrical efficiency of over 47 percent, the project will deliver electrical grid power to Connecticut Light and Power for the southwestern part of the state. Elemental Power Group, LLC, an entity formed by Marubeni Power of New York, and Catamount Energy of Vermont are the developers for this project.
 
  •  Hospital Energy Development LLC/EMCOR — A 4.6 MW project for Stamford Hospital will use 2 DFC3000 power plants in a combined heat and power application providing lower cost thermal energy to the hospital as well as ultra-clean electricity to the utility grid. The project is expected to achieve a combined heat and power efficiency and will be developed by EMCOR Energy Services and Hospital Energy Development LLC.
 
  •  Hospital Energy Development, LLC./EMCOR — A 2.3 MW project for Waterbury Hospital that will use 1 DFC3000 power plant in a combined heat and power applications providing lower cost thermal energy to the hospital as well as electricity to the grid. The project is expected to achieve a combined heat and power efficiency of over 60 percent.
 
  •  Elemental Power Group — Bridgeport — A 19.6 MW project consisting of 8 DFC power plant units which incorporate organic rankine cycles to convert excess thermal energy from the fuel cells to deliver added low-emissions electrical output. Achieving an electrical efficiency of over 47 percent, the project will augment electrical grid power provided by United Illuminating Company for the southwestern part of the state. Elemental Power Group, LLC, an entity formed by Marubeni Power of New York, and Catamount Energy of Vermont are the developers for this project.
 
  •  Bridgeport Fuel Cell Park — A 13.7 MW project consisting of 6 DFC3000 power plants that will deliver power to the United Illuminating Company in an area key to easing the power-constraint challenges in southwestern Connecticut. The project is using a remediated brownfield site in a key urban development area. Project participants include FuelCell Energy, PurePower, LLC and Pinpoint Power, LLC.
 
Established under state law, Project 100 provides contracts with terms of 10 to 20 years for power projects — providing a predictable revenue stream for project developers and financiers. Project 100 proposals were submitted to the CCEF pursuant to a competitive bidding process and selections were made based on the technical attributes and cost of the various proposals.
 
City of Riverside — Power plant Sale
 
In March 2007, we announced the sale of a DFC1500MA power plant to operate on anaerobic digester gas from a sewage treatment facility serving the southern California city of Riverside. The facility treats 30 million gallons of wastewater daily. Riverside will own and operate the DFC1500MA at Riverside’s Water Quality Control Plant through its Public Works Department. California’s Self-Generation Incentive Program (SGIP) is providing $4.5 million for the project through the Southern California Gas Company.


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The Offering
 
Common Stock offered by us 9,000,000 Shares
 
Common stock to be outstanding after this offering 66,249,158 Shares
 
Use of proceeds We intend to use the net proceeds from this offering for market and product development, project financing and general corporate purposes. We may invest the net proceeds temporarily in money-market funds or U.S. treasuries until we use them for their stated purpose.
 
Dividend Policy We currently intend to retain any future earnings to fund the development and growth of our business and do not anticipate paying cash dividends in the foreseeable future.
 
Nasdaq National Market Symbol FCEL
 
Unless we indicate otherwise, all information in this prospectus supplement is based on 57,249,158 shares outstanding as of March 30, 2007, assumes the underwriters will not exercise their over-allotment option and excludes the following:
 
  •  approximately 5,457,022 shares of our common stock issuable upon conversion of 64,120 shares of our 5% Series B Cumulative Convertible Perpetual Preferred Stock at March 31, 2007,
 
  •  207,952 shares of our common stock issuable upon conversion of the Series 1 preferred shares issued by FuelCell Energy, Ltd., our wholly-owned Canadian subsidiary (formerly known as FCE Canada, Inc.) at March 31, 2007;
 
  •  1,200,000 shares of our common stock issuable upon the exercise of warrants outstanding at January 31, 2007;
 
  •  6,016,929 shares of our common stock issuable upon the exercise of options outstanding at January 31, 2007 under our stock option plans;
 
  •  2,667,989 shares of our common stock available for future issuance under our stock option plans; and
 
  •  332,837 shares of our common stock available for future issuance under our employee stock purchase plan.
 
Risk Factors
 
See the “Risk Factors” section of this prospectus supplement and the accompanying prospectus for a discussion of certain factors that should be considered in evaluating an investment in our common stock.


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FORWARD LOOKING STATEMENTS
 
Some of the statements contained in this prospectus supplement or incorporated by reference into this prospectus supplement are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, and are subject to the safe harbor created by the Securities Litigation Reform Act of 1995. We have based these forward-looking statements largely on our expectations and projections about future events and financial trends affecting the financial condition and/or operating results of our business. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” the negative of these words, or similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and are subject to certain risks, uncertainties and assumptions that are difficult to predict; therefore, actual results may differ materially from those expressed or forecasted in any forward-looking statements. The risks and uncertainties include those noted under the heading “Risk Factors” below and in the accompanying prospectus. There are important factors that could cause actual results to be substantially different from the results expressed or implied by these forward-looking statements including, among other things:
 
  •  our ability to become profitable and attain positive cash flow;
 
  •  our ability to successfully implement our cost reduction strategy and increase our production;
 
  •  the impact of competition and technological change on our business;
 
  •  the effect of market conditions on our long-term power purchase and service agreements with our customers;
 
  •  our ability to successfully market and commercialize our Direct FuelCell® products and our other products and product candidates;
 
  •  our dependence on government research and development contracts and the effect that a negative government audit could have on our business;
 
  •  our dependence on a limited number of third-party suppliers for our Direct FuelCell® products;
 
  •  our dependence on our intellectual property and ability to protect our proprietary rights and operate our business without conflicting with the rights of others;
 
  •  the effect that any intellectual property litigation or product liability claims may have on our business and operating and financial performance;
 
  •  our ability to attract and retain key, qualified management and technical personnel;
 
  •  the negative effect of the imposition of customer fees or interconnection requirements on our customers by utility companies;
 
  •  the effect that environmental litigation or remediation requirements may have on our business and operating and financial performance; and
 
  •  other factors set forth under “Risk Factors” below and in the accompanying prospectus, as well as in all filings incorporated by reference into this prospectus supplement.
 
We do not intend to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Past financial or operating performance is not necessarily a reliable indicator of future performance and you should not use our historical performance to anticipate results or future period trends.


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RISK FACTORS
 
Investing in our securities involves risks. You should carefully consider the risks described below and in the accompanying prospectus, together with all other information contained in or incorporated by reference into this prospectus supplement before purchasing our common stock. Some of these risks relate principally to our business and the industry in which we operate. Other risks relate principally to the securities markets and ownership of our common stock. Additional risks and uncertainties not presently known to us, or risks that we currently consider immaterial, may also impair our operations or results. If any of the following risks actually occurs, we may not be able to conduct our business as currently planned, and our financial condition and operating results could be seriously harmed. In that case, the market price of our common stock could decline, and you could lose all or part of your investment.
 
We have recently incurred losses and anticipate continued losses and negative cash flow.
 
We have been transitioning from a contract research and development company to a commercial products developer and manufacturer. As such, we have not been profitable since our fiscal year ended October 31, 1997. We expect to continue to incur net losses and generate negative cash flow until we can produce sufficient revenues to cover our costs. We may never become profitable. Even if we do achieve profitability, we may be unable to sustain or increase our profitability in the future. For the reasons discussed in more detail below, there are substantial uncertainties associated with our achieving and sustaining profitability.
 
Our cost reduction strategy may not succeed or may be significantly delayed, which may result in our inability to offer our products at competitive prices and may adversely affect our sales.
 
Our cost reduction strategy is based on the assumption that a significant increase in production will result in economies of scale. In addition, our cost reduction strategy relies on advancements in our manufacturing process, global competitive sourcing, engineering design and technology (including projected power output) that are currently not ascertainable. Failure to achieve our cost reduction targets would have a material adverse effect on our commercialization plans and, therefore, our business, prospects, results of operations and financial condition.
 
Our products will compete with products using other energy sources, and if the prices of the alternative sources are lower than energy sources used by our products, sales of our products will be adversely affected.
 
Our Direct FuelCell® has been operated using a variety of hydrocarbon fuels, including natural gas, methanol, diesel, biogas, coal gas, coal mine methane and propane. If these fuels are not readily available or if their prices increase such that electricity produced by our products costs more than electricity provided by other generation sources, our products would be less economically attractive to potential customers. In addition, we have no control over the prices of several types of competitive energy sources such as oil, gas or coal. Significant decreases (or short term increases) in the price of these fuels could also have a material adverse effect on our business because other generation sources could be more economically attractive to consumers than our products.
 
We have signed long-term power purchase and service agreements with customers which are subject to market conditions and operating risks that may affect our operating results.
 
Under the terms of our power purchase agreements (“PPA”), customers agree to purchase power from our fuel cell power plants at negotiated rates, generally for periods of five to ten years. Electricity rates are generally a function of the customer’s current and future electricity pricing available from the grid. Revenues are earned and collected under these PPAs as power is produced. As owner of the power plants in these PPA entities, we are responsible for all operating costs necessary to maintain, monitor and repair the power plants. Under certain agreements, we are also responsible for procuring fuel, generally natural gas, to run the power plants. Should electricity rates decrease or operating costs increase from our original estimates, our results of operations could be negatively impacted. We have qualified for incentive funding for these projects in


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California under the state’s Self Generation Incentive Funding Program and from other government programs. Funds are payable upon commercial installation and demonstration of the plant and may require return of the funds for failure of certain performance requirements. Revenue related to these incentive funds is recognized ratably over the performance period. We are not required to produce minimum amounts of power under our PPA agreements and we have the right to terminate PPA agreements by giving written notice to the customer, subject to certain exit costs.
 
We have contracted with certain customers to provide service of fuel cell power plants over terms ranging from one to thirteen years. Under the provisions of these contracts, we provide services to maintain, monitor and repair customer power plants. Pricing for service contracts is based upon estimates of future costs, which given the early stage of development could be materially different from actual expenses.
 
We extend product warranties which could affect our operating results.
 
We warranty our products for a specific period of time against manufacturing or performance defects. As we have limited operating experience, warranty costs are expensed as incurred. As a result operating results could be negatively impacted should there be product manufacturing or performance defects.
 
We currently face and will continue to face significant competition.
 
Our Direct FuelCell® currently faces, and will continue to face, significant competition. We compete on the basis of our products’ reliability, fuel efficiency, environmental considerations and cost. Technological advances in alternative energy products or improvements in the electric grid or other sources of power generation, or other fuel cell technologies may negatively affect the development or sale of some or all of our products or make our products non-competitive or obsolete prior to commercialization or afterwards. Other companies, some of which have substantially greater resources than ours, are currently engaged in the development of products and technologies that are similar to, or may be competitive with, our products and technologies.
 
Several companies in the U.S. are involved in fuel cell development, although we believe we are the only domestic company engaged in significant manufacturing and commercialization of carbonate fuel cells. Emerging fuel cell technologies (and companies developing them) include proton exchange membrane fuel cells (Ballard Power Systems, Inc.; United Technologies Corp. or UTC Fuel Cells; and Plug Power), phosphoric acid fuel cells (UTC Fuel Cells) and solid oxide fuel cells (Siemens Westinghouse Electric Company, SOFCo, General Electric, Delphi, Rolls Royce and Acumentrics). Each of these competitors has the potential to capture market share in our target markets.
 
There are other potential carbonate fuel cell competitors internationally. In Europe, a company in Italy, Ansaldo Fuel Cells, is actively engaged in carbonate fuel cell development and is a potential competitor.
 
Other than fuel cell developers, we must also compete with such companies as Caterpillar, Cummins, and Detroit Diesel, which manufacture more mature combustion-based equipment, including various engines and turbines, and have well-established manufacturing, distribution, and operating and cost features. Significant competition may also come from gas turbine companies like General Electric, Ingersoll Rand, Solar Turbines and Kawasaki, which have recently made progress in improving fuel efficiency and reducing pollution in large-size combined cycle natural gas fueled generators. These companies have also made efforts to extend these advantages to smaller sizes.
 
We have large and influential stockholders, which may make it difficult for a third party to acquire our common stock.
 
As of February 20, 2007, our largest two institutional shareholders each own more than 5%, but less than 10%, of our outstanding common stock. POSCO Power owns approximately 7% of our outstanding common stock. MTU Friedrichshafen GmbH (“MTU”) owns approximately 5% of our outstanding common stock and MTU is the sole owner of our European licensee, CFC Solutions GmbH. MTU was acquired by the private equity fund EQT IV in March 2006, which now operates under the name Tognum GmbH. James D. Gerson


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beneficially owns approximately 2% of our outstanding common stock. Loeb Investors Co. LXXV and Warren Bagatelle (a managing director of an affiliate of Loeb Investors Co. LXXV) collectively beneficially own approximately 2% of our outstanding common stock. These ownership levels could make it difficult for a third party to acquire our common stock or have input into the decisions made by our board of directors, which include Michael Bode (Chief Executive Officer of CFC Solutions GmbH), James D. Gerson, Warren Bagatelle and Thomas L. Kempner (Chairman and Chief Executive Officer of an affiliate of Loeb Investors Co. LXXV). CFC is also a licensee of our technology and a purchaser of our Direct FuelCell® products. Therefore, it may be in CFC’s interest to possess substantial influence over matters concerning our overall strategy and technological and commercial development.
 
CFC may develop competing technologies.
 
CFC Solutions GmbH is currently developing carbonate fuel cell technology. If this technology does not use DFC know-how, CFC must use good faith efforts to license the technology to us. If CFC is successful but does not grant us a license, it may be directly competing with us while having a significant ownership interest in us, and a seat on our board of directors. We have agreed with CFC to continue developing products with as much commonality as possible. However, the license agreement between us and CFC provides that each of us retains the right to independently pursue the development of carbonate fuel cell technologies.
 
We have limited experience manufacturing our Direct FuelCell® products on a commercial basis, which may adversely affect our planned increases in production capacity and our ability to satisfy customer requirements.
 
We have limited experience manufacturing our Direct FuelCell® products on a commercial basis. Our manufacturing, testing and conditioning facilities have equipment in place for a production capacity of 50 MW per year. We expect that we will then increase our manufacturing capacity based on market demand. We cannot be sure that we will be able to achieve any planned increases in production capacity. Also, as we scale up our production capacity, we cannot be sure that unplanned failures or other technical problems relating to the manufacturing process will not occur.
 
Even if we are successful in achieving our planned increases in production capacity, we cannot be sure that we will do so in time to meet our product commercialization schedule or to satisfy the requirements of our customers. Additionally, we cannot be sure that we will be able to develop efficient, low-cost manufacturing capabilities and processes (including automation) that will enable us to meet our cost goals and profitability projections. Our failure to develop advanced manufacturing capabilities and processes, or meet our cost goals, could have a material adverse effect on our business, prospects, results of operations and financial condition.
 
Unanticipated increases or decreases in business growth may result in adverse financial consequences for us.
 
If our business grows more quickly than we anticipate, our existing and planned manufacturing facilities may become inadequate and we may need to seek out new or additional space, at considerable cost to us. If our business does not grow as quickly as we expect, our existing and planned manufacturing facilities would, in part, represent excess capacity for which we may not recover the cost; in that circumstance, our revenues may be inadequate to support our committed costs and our planned growth and our gross margins and business strategy would be adversely affected.
 
Our plans are dependent on market acceptance of our Direct FuelCell® products.
 
Our plans are dependent upon market acceptance of, as well as enhancements to, those products. Fuel cell systems represent an emerging market, and we cannot be sure that potential customers will accept fuel cells as a replacement for traditional power sources. As is typical in a rapidly evolving industry, demand and market acceptance for recently introduced products and services are subject to a high level of uncertainty and risk. Since the distributed generation market is still evolving, it is difficult to predict with certainty the size of


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the market and its growth rate. The development of a market for our Direct FuelCell® products may be affected by many factors that are out of our control, including:
 
  •  the cost competitiveness of our fuel cell products;
 
  •  the future costs of natural gas and other fuels used by our fuel cell products;
 
  •  consumer reluctance to try a new product;
 
  •  perceptions of the safety of our fuel cell products;
 
  •  the market for distributed generation;
 
  •  local permitting and environmental requirements; and
 
  •  the emergence of newer, more competitive technologies and products.
 
If a sufficient market fails to develop or develops more slowly than we anticipate, we may be unable to recover the losses we will have incurred in the development of Direct FuelCell® products and may never achieve profitability.
 
As we continue to commercialize our Direct FuelCell® products, we will continue to develop warranties, production guarantees and other terms and conditions relating to our products that will be acceptable to the marketplace, and continue to develop a service organization that will aid in servicing our products and obtain self-regulatory certifications, if available, with respect to our products. Failure to achieve any of these objectives may also slow the development of a sufficient market for our products and, therefore, have a material adverse effect on our results of operations.
 
Our government research and development contracts are subject to the risk of termination by the contracting party and we may not realize the full amounts allocated under the contracts due to the lack of Congressional appropriations.
 
A portion of our fuel cell revenues have been derived from long-term cooperative agreements and other contracts with the U.S. Department of Energy (“DOE”), the U.S. Department of Defense, the U.S. Navy and other U.S. government agencies. These agreements are important to the continued development of our technology and our products.
 
Generally, our U.S. government research and development contracts are subject to the risk of termination at the convenience of the contracting agency. Furthermore, these contracts, irrespective of the amounts allocated by the contracting agency, are subject to annual Congressional appropriations and the results of government or agency sponsored reviews and audits of our cost reduction projections and efforts. We can only receive funds under these contracts ultimately made available to us annually by Congress as a result of the appropriations process. Accordingly, we cannot be sure whether we will receive the full amounts awarded under our government research and development or other contracts. Failure to receive the full amounts under any of our government research and development contracts could materially and adversely affect our business prospects, results of operations and financial condition.
 
A negative government audit could result in an adverse adjustment of our revenue and costs and could result in civil and criminal penalties
 
Government agencies, such as the Defense Contract Audit Agency, routinely audit and investigate government contractors. These agencies review a contractor’s performance under its contracts, cost structure and compliance with applicable laws, regulations and standards. If the agencies determine through these audits or reviews that we improperly allocated costs to specific contracts, they will not reimburse us for these costs. Therefore, an audit could result in adjustments to our revenue and costs.
 
Further, although we have internal controls in place to oversee our government contracts, no assurance can be given that these controls are sufficient to prevent isolated violations of applicable laws, regulations and standards. If the agencies determine that we or one of our subcontractors engaged in improper conduct, we


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may be subject to civil or criminal penalties and administrative sanctions, payments, fines and suspension or prohibition from doing business with the government, any of which could materially affect our financial condition.
 
The U.S. government has certain rights relating to our intellectual property, including restricting or taking title to certain patents.
 
Many of our U.S. patents relating to our fuel cell technology are the result of government-funded research and development programs. Two of our patents that were the result of DOE-funded research prior to January 1988 (the date that we qualified as a “small business”) are owned by the U.S. government and have been licensed to us. This license is revocable only in the limited circumstances where it has been demonstrated that we are not making an effort to commercialize the invention. We own all patents resulting from research funded by our DOE contracts awarded after January 1988 to date, based on our “small business” status when each contract was awarded. Under current regulations, patents resulting from research funded by government agencies other than the DOE are owned by us, whether or not we are a “small business.”
 
Ten U.S. patents that we own have resulted from government-funded research and are subject to the risk of exercise of “march-in” rights by the government. March-in rights refer to the right of the U.S. government or a government agency to exercise its non-exclusive, royalty-free, irrevocable worldwide license to any technology developed under contracts funded by the government if the contractor fails to continue to develop the technology. These “march-in” rights permit the U.S. government to take title to these patents and license the patented technology to third parties if the contractor fails to utilize the patents. In addition, our DOE-funded research and development agreements also require us to agree that we will not provide to a foreign entity any fuel cell technology subject to that agreement unless the fuel cell technology will be substantially manufactured in the U.S. Accordingly, we could lose some or all of the value of these patents.
 
A failure to qualify as a “small business” could adversely affect our rights to own future patents under DOE-funded contracts.
 
Qualifying as a “small business” under DOE contracts allows us to own the patents that we develop under DOE contracts. A “small business” under applicable government regulations generally consists of no more than 500 employees. If we continue to grow, we will no longer qualify as a “small business” and no longer own future patents we develop under future contracts, grants or cooperative agreements funded by the DOE based on such certification, unless we obtain a patent waiver from the DOE. Should we not obtain a patent waiver and outright ownership, we would nevertheless retain exclusive rights to any such patents, so long as we continue to commercialize the technology covered by the patents. As a result of our acquisition of Global Thermoelectric Inc., the number of our employees increased and therefore, we temporarily did not qualify as a “small business.” Following the sale of Global Thermoelectric Inc. and its TEG product line on May 27, 2004, we again qualified as a “small business”; however, we cannot assure you that we will continue to qualify as a “small business” in the future.
 
Our future success and growth is dependent on our distribution strategy.
 
We cannot assure you that we will enter into distributor relationships that are consistent with, or sufficient to support, our commercialization plans or our growth strategy or that these relationships will be on terms favorable to us. Even if we enter into these types of relationships, we cannot assure you that the distributors with which we form relationships will focus adequate resources on selling our products or will be successful in selling them. Some of these distributor arrangements have or will require that we grant exclusive distribution rights to companies in defined territories. These exclusive arrangements could result in us being unable to enter into other arrangements at a time when the distributor with which we formed a relationship is not successful in selling our products or has reduced its commitment to marketing our products. In addition, certain distributor arrangements include, and some future distributor arrangements may also include, the issuance of equity and warrants to purchase our equity, which may have an adverse effect on our stock price. To the extent we enter into distributor relationships, the failure of these distributors in assisting us with the


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marketing and distribution of our products may adversely affect our results of operations and financial condition.
 
We cannot be sure that CFC Solutions GmbH will continue to, or original equipment manufacturers (“OEMs”) will, manufacture or package products using our Direct FuelCell® components. In this area, our success will largely depend upon our ability to make our products compatible with the power plant products of OEMs and the ability of these OEMs to sell their products containing our products. In addition, some OEMs may need to redesign or modify their existing power plant products to fully incorporate our products. Accordingly, any integration, design, manufacturing or marketing problems encountered by CFC or other OEMs could adversely affect the market for our Direct FuelCell® products and, therefore, our business, prospects, results of operations and financial condition.
 
We depend on third party suppliers for the development and supply of key components for Direct FuelCell® products.
 
We purchase several key components of our Direct FuelCell® products from other companies and rely on third-party suppliers for the balance-of-plant components in our Direct FuelCell® products. There are a limited number of suppliers for some of the key components of Direct FuelCell® products. A supplier’s failure to develop and supply components in a timely manner or to supply components that meet our quality, quantity or cost requirements or technical specifications or our inability to obtain alternative sources of these components on a timely basis or on terms acceptable to us could harm our ability to manufacture our Direct FuelCell® products. In addition, to the extent the processes that our suppliers use to manufacture components are proprietary, we may be unable to obtain comparable components from alternative suppliers.
 
We do not know when or whether we will secure long-term supply relationships with any of our suppliers or whether such relationships will be on terms that will allow us to achieve our objectives. Our business, prospects, results of operations and financial condition could be harmed if we fail to secure long-term relationships with entities that will supply the required components for our Direct FuelCell® products.
 
We depend on our intellectual property, and our failure to protect that intellectual property could adversely affect our future growth and success.
 
Failure to protect our existing intellectual property rights may result in the loss of our exclusivity or the right to use our technologies. If we do not adequately ensure our freedom to use certain technology, we may have to pay others for rights to use their intellectual property, pay damages for infringement or misappropriation or be enjoined from using such intellectual property. We rely on patent, trade secret, trademark and copyright law to protect our intellectual property. The patents that we have obtained will expire between 2008 and 2024 and the average remaining life of our U.S. patents is approximately 11.4 years.
 
Some of our intellectual property is not covered by any patent or patent application and includes trade secrets and other know-how that is not patentable, particularly as it relates to our manufacturing processes and engineering design. In addition, some of our intellectual property includes technologies and processes that may be similar to the patented technologies and processes of third parties. If we are found to be infringing third-party patents, we do not know whether we will able to obtain licenses to use such patents on acceptable terms, if at all. Our patent position is subject to complex factual and legal issues that may give rise to uncertainty as to the validity, scope and enforceability of a particular patent. Accordingly, we cannot assure you that:
 
  •  any of the U.S., Canadian or other foreign patents owned by us or other patents that third parties license to us will not be invalidated, circumvented, challenged, rendered unenforceable or licensed to others; or,
 
  •  any of our pending or future patent applications will be issued with the breadth of claim coverage sought by us, if issued at all.
 
In addition, effective patent, trademark, copyright and trade secret protection may be unavailable, limited or not applied for in certain foreign countries.


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We also seek to protect our proprietary intellectual property, including intellectual property that may not be patented or patentable, in part by confidentiality agreements and, if applicable, inventors’ rights agreements with our subcontractors, vendors, suppliers, consultants, strategic partners and employees. We cannot assure you that these agreements will not be breached, that we will have adequate remedies for any breach or that such persons or institutions will not assert rights to intellectual property arising out of these relationships. Certain of our intellectual property has been licensed to us on a non-exclusive basis from third parties that may also license such intellectual property to others, including our competitors. If our licensors are found to be infringing third-party patents, we do not know whether we will be able to obtain licenses to use the intellectual property licensed to us on acceptable terms, if at all.
 
If necessary or desirable, we may seek extensions of existing licenses or further licenses under the patents or other intellectual property rights of others. However, we can give no assurances that we will obtain such extensions or further licenses or that the terms of any offered licenses will be acceptable to us. The failure to obtain a license from a third party for intellectual property that we use at present could cause us to incur substantial liabilities, and to suspend the manufacture or shipment of products or our use of processes requiring the use of that intellectual property.
 
While we are not currently engaged in any material intellectual property litigation, we could become subject to lawsuits in which it is alleged that we have infringed the intellectual property rights of others or commence lawsuits against others who we believe are infringing upon our rights. Our involvement in intellectual property litigation could result in significant expense to us, adversely affecting the development of sales of the challenged product or intellectual property and diverting the efforts of our technical and management personnel, whether or not that litigation is resolved in our favor.
 
Our future success will depend on our ability to attract and retain qualified management and technical personnel.
 
Our future success is substantially dependent on the continued services and on the performance of our executive officers and other key management, engineering, scientific, manufacturing and operating personnel, particularly R. Daniel Brdar, our Chief Executive Officer. The loss of the services of any executive officer, including Mr. Brdar, or other key management, engineering, scientific, manufacturing and operating personnel, could materially adversely affect our business. Our ability to achieve our development and commercialization plans will also depend on our ability to attract and retain additional qualified management and technical personnel. Recruiting personnel for the fuel cell industry is competitive. We do not know whether we will be able to attract or retain additional qualified management and technical personnel. Our inability to attract and retain additional qualified management and technical personnel, or the departure of key employees, could materially and adversely affect our development and commercialization plans and, therefore, our business, prospects, results of operations and financial condition.
 
Our management may be unable to manage rapid growth effectively.
 
We may rapidly expand our manufacturing capabilities, accelerate the commercialization of our products and enter a period of rapid growth, which will place a significant strain on our senior management team and our financial and other resources. Any expansion may expose us to increased competition, greater overhead, marketing and support costs and other risks associated with the commercialization of a new product. Our ability to manage rapid growth effectively will require us to continue to improve our operations, to improve our financial and management information systems and to train, motivate and manage our employees. Difficulties in effectively managing the budgeting, forecasting and other process control issues presented by such a rapid expansion could harm our business, prospects, results of operations and financial condition.
 
We may be affected by environmental and other governmental regulation.
 
We are subject to federal, state, provincial or local regulation with respect to, among other things, emissions and siting. Assuming no co-generation applications are used in conjunction with our Direct


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FuelCell® plants, they will discharge humid flue gas at temperatures of up to 800º F, water at temperatures of approximately 10-20º F above surrounding air temperatures and carbon dioxide.
 
In addition, it is possible that industry-specific laws and regulations will be adopted covering matters such as transmission scheduling, distribution and the characteristics and quality of our products, including installation and servicing. These regulations could limit the growth in the use of carbonate fuel cell products, decrease the acceptance of fuel cells as a commercial product and increase our costs and, therefore, the price of our Direct FuelCell® products. Accordingly, compliance with existing or future laws and regulations could have a material adverse effect on our business, prospects, results of operations and financial condition.
 
Utility companies could impose customer fees or interconnection requirements on our customers that could make our products less desirable.
 
Utility companies commonly charge fees to larger, industrial customers for disconnecting from the electric grid or for having the capacity to use power from the electric grid for back up purposes. These fees could increase the cost to our customers of using our Direct FuelCell® products and could make our products less desirable, thereby harming our business, prospects, results of operations and financial condition.
 
Several states have created and adopted or are in the process of creating their own interconnection regulations covering both technical and financial requirements for interconnection to utility grids. Depending on the complexities of the requirements, installation of our systems may become burdened with additional costs that might have a negative impact on our ability to sell systems. The Institute of Electrical and Electronics Engineers has been working to create an interconnection standard addressing the technical requirements for distributed generation to interconnect to utility grids. Many parties are hopeful that this standard will be adopted nationally to help reduce the barriers to deployment of distributed generation such as fuel cells; however this standard may not be adopted nationally thereby limiting the commercial prospects and profitability of our fuel cell systems.
 
We could be liable for environmental damages resulting from our research, development or manufacturing operations.
 
Our business exposes us to the risk of harmful substances escaping into the environment, resulting in personal injury or loss of life, damage to or destruction of property, and natural resource damage. Depending on the nature of the claim, our current insurance policies may not adequately reimburse us for costs incurred in settling environmental damage claims, and in some instances, we may not be reimbursed at all. Our business is subject to numerous federal, state and local laws and regulations that govern environmental protection and human health and safety. We believe that our businesses are operating in compliance in all material respects with applicable environmental laws, however these laws and regulations have changed frequently in the past and it is reasonable to expect additional and more stringent changes in the future.
 
Our operations may not comply with future laws and regulations and we may be required to make significant unanticipated capital and operating expenditures. If we fail to comply with applicable environmental laws and regulations, governmental authorities may seek to impose fines and penalties on us or to revoke or deny the issuance or renewal of operating permits and private parties may seek damages from us. Under those circumstances, we might be required to curtail or cease operations, conduct site remediation or other corrective action, or pay substantial damage claims.
 
We may be required to conduct environmental remediation activities, which could be expensive.
 
We are subject to a number of environmental laws and regulations, including those concerning the handling, treatment, storage and disposal of hazardous materials. These environmental laws generally impose liability on present and former owners and operators, transporters and generators for remediation of contaminated properties. We believe that our businesses are operating in compliance in all material respects with applicable environmental laws, many of which provide for substantial penalties for violations. We cannot assure you that future changes in such laws, interpretations of existing regulations or the discovery of currently unknown problems or conditions will not require substantial additional expenditures. Any noncompliance with


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these laws and regulations could subject us to material administrative, civil or criminal penalties or other liabilities. In addition, we may be required to incur substantial costs to comply with current or future environmental and safety laws and regulations.
 
Our products use inherently dangerous, flammable fuels, operate at high temperatures and use corrosive carbonate material, each of which could subject our business to product liability claims.
 
Our business exposes us to potential product liability claims that are inherent in products that use hydrogen. Our products utilize fuels such as natural gas and convert these fuels internally to hydrogen that is used by our products to generate electricity. The fuels we use are combustible and may be toxic. In addition, our Direct FuelCell® products operate at high temperatures and our Direct FuelCell® products use corrosive carbonate material, which could expose us to potential liability claims. Although we have comprehensive safety, maintenance and training programs in place, we cannot guarantee there will not be accidents. Any accidents involving our products or other hydrogen-using products could materially impede widespread market acceptance and demand for our Direct FuelCell® products. In addition, we might be held responsible for damages beyond the scope of our insurance coverage. We also cannot predict whether we will be able to maintain our insurance coverage on acceptable terms.
 
We are subject to risks inherent in international operations.
 
Since we market our Direct FuelCell® products both inside and outside the U.S. and Canada, our success depends, in part, on our ability to secure international customers and our ability to manufacture products that meet foreign regulatory and commercial requirements in target markets. We have limited experience developing and manufacturing our products to comply with the commercial and legal requirements of international markets. In addition, we are subject to tariff regulations and requirements for export licenses, particularly with respect to the export of some of our technologies. We face numerous challenges in our international expansion, including unexpected changes in regulatory requirements, fluctuations in currency exchange rates, longer accounts receivable requirements and collections, difficulties in managing international operations, potentially adverse tax consequences, restrictions on repatriation of earnings and the burdens of complying with a wide variety of international laws. Any of these factors could adversely affect our operations and revenues.
 
Our stock price has been and could remain volatile.
 
The market price for our common stock has been and may continue to be volatile and subject to extreme price and volume fluctuations in response to market and other factors, including the following, some of which are beyond our control:
 
  •  failure to meet our product development and commercialization milestones;
 
  •  variations in our quarterly operating results from the expectations of securities analysts or investors;
 
  •  downward revisions in securities analysts’ estimates or changes in general market conditions;
 
  •  announcements of technological innovations or new products or services by us or our competitors;
 
  •  announcements by us or our competitors of significant acquisitions, strategic partnerships, joint ventures or capital commitments;
 
  •  additions or departures of key personnel;
 
  •  investor perception of our industry or our prospects;
 
  •  insider selling or buying;
 
  •  demand for our common stock; and
 
  •  general technological or economic trends.
 
In the past, following periods of volatility in the market price of their stock, many companies have been the subjects of securities class action litigation. If we became involved in securities class action litigation in


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the future, it could result in substantial costs and diversion of management’s attention and resources and could harm our stock price, business, prospects, results of operations and financial condition.
 
Provisions of Delaware and Connecticut law and of our charter and by-laws may make a takeover more difficult.
 
Provisions in our certificate of incorporation and by-laws and in Delaware and Connecticut corporate law may make it difficult and expensive for a third party to pursue a tender offer, change in control or takeover attempt that is opposed by our management and board of directors. Public stockholders who might desire to participate in such a transaction may not have an opportunity to do so. These anti-takeover provisions could substantially impede the ability of public stockholders to benefit from a change in control or change in our management and board of directors.
 
We depend on relationships with strategic partners, and the terms and enforceability of many of these relationships are not certain.
 
We have entered into relationships with strategic partners for design, product development and distribution of our existing products, and products under development, some of which may not have been documented by a definitive agreement. The terms and conditions of many of these agreements allow for termination by the partners. Termination of any of these agreements could adversely affect our ability to design, develop and distribute these products to the marketplace. We cannot assure you that we will be able to successfully negotiate and execute definitive agreements with any of these partners, and failure to do so may effectively terminate the relevant relationship.
 
Future sales of substantial amounts of our common stock could affect the market price of our common stock.
 
Future sales of substantial amounts of our common stock, or securities convertible or exchangeable into shares of our common stock, into the public market, including shares of our common stock issued upon exercise of options and warrants, or perceptions that those sales could occur, could adversely affect the prevailing market price of our common stock and our ability to raise capital in the future.
 
The rights of the Series 1 preferred shares and Series B preferred stock could negatively impact FuelCell.
 
The terms of the Series 1 preferred shares issued by FuelCell Energy, Ltd., our wholly-owned, indirect subsidiary, provide rights to the holder, Enbridge Inc. (“Enbridge”), including dividend and conversion rights among others that could negatively impact us. For example, the terms of the Series 1 preferred shares provide that the holders are entitled to receive cumulative dividends for each calendar quarter for so long as such shares are outstanding. Assuming the exchange rate for Canadian dollars is Cdn.$1.1758 to U.S.$1.00 (exchange rate on January 10, 2007) at the time of the applicable dividend payment date, we are required to pay a preferred dividend of approximately $265,776 per calendar quarter, subject to reduction in accordance with the terms of the Series 1 preferred shares. The terms of the Series 1 preferred shares also require that the holder be paid any accrued and unpaid dividends on December 31, 2010. To the extent that there is a significant amount of accrued dividends that is unpaid as of December 31, 2010 and we do not have sufficient working capital at that time to pay the accrued dividends, our financial condition could be adversely affected. We have guaranteed these dividend obligations, including paying a minimum of Cdn.$500,000 in cash annually to Enbridge for so long as Enbridge holds the Series 1 preferred shares. We have also guaranteed the liquidation obligations of FuelCell Energy, Ltd. under the Series 1 preferred shares.
 
We are also required to issue common stock to the holder of the Series 1 preferred shares if and when the holder exercises its conversion rights. The number of shares of common stock that we may issue upon conversion could be significant and dilutive to our existing stockholders. For example, assuming the holder of the Series 1 preferred shares exercises its conversion rights after July 31, 2020 and assuming our common stock price is U.S.$6.22 (our common stock closing price on January 10, 2007) and the exchange rate for


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Canadian dollars is Cdn.$1.1758 to U.S.$1.00 (exchange rate on January 10, 2007) at the time of conversion, we would be required to issue approximately 3,598,260 shares of our common stock.
 
The terms of the Series B preferred stock also provide rights to their holders that could negatively impact us. Holders of the Series B preferred stock are entitled to receive cumulative dividends at the rate of $50 per share per year, payable either in cash or in shares of our common stock. To the extent the dividend is paid in shares, additional issuances could be dilutive to our existing stockholders and the sale of those shares could have a negative impact on the price of our common stock. A share of our Series B preferred stock may be converted at any time, at the option of the holder, into 85.1064 shares of our common stock (which is equivalent to an initial conversion price of $11.75 per share), plus cash in lieu of fractional shares. Furthermore, the conversion rate applicable to the Series B preferred stock is subject to adjustment upon the occurrence of certain events.
 
   We may not be awarded all, or even any, of the energy projects selected by the Connecticut Clean Energy Fund on March 26, 2007.
 
On March 26, 2007, the Connecticut Clean Energy Fund screened and selected six of our energy projects which incorporated 68 MW of our fuel cell products. There is no guarantee that we will be awarded all, or even any, of these energy projects. The energy projects are subject to additional review and screening by the Connecticut Public Utilities Commission and certain utility companies. Siting, permitting and developer issues may prevent us from receiving the awards. If we are not awarded these energy projects, there would be a material effect on our business and results of operations.


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USE OF PROCEEDS
 
Based upon an assumed offering price of $7.73 per share, which was the last reported sale price of our common stock on April 2, 2007, we estimate that the net proceeds to us from this offering, after payment of estimated underwriting discounts and commissions and estimated offering expenses payable by us, will be approximately $64.8 million. If the underwriters exercise their option to purchase up to 1,350,000 additional shares to cover over-allotments, we estimate the aggregate net proceeds from the offering will be approximately $74.6 million, after deducting underwriting discounts and commissions and expenses. A 10% change in the number of shares of our common stock to be sold would result in a change of net proceeds of $6.5 million, assuming a public offering price of $7.73 per share. Separately, a $1.00 change in the public offering price per share over or under $7.73, would result in a change in net proceeds of $8.4 million.
 
We intend to use the net proceeds of this offering for market and product development, project financing and general corporate purposes. General corporate purposes may include capital expenditures, repayment of debt, payment of dividends and any other purposes. We may invest the net proceeds temporarily in money-market funds or U.S. treasuries until we use them for their stated purpose.


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DESCRIPTION OF CAPITAL STOCK
 
The description of our common stock is set forth under the heading “Description of Capital Stock”, beginning on page 13 of the accompanying prospectus.
 
PRICE RANGE OF COMMON STOCK
 
Our common stock is listed and traded on The Nasdaq National Market under the symbol “FCEL.” The following table sets forth, for the periods indicated, the high and low sale prices per share of our common stock as reported on The Nasdaq National Market.
 
                 
    High     Low  
 
Fiscal Year Ended October 31, 2005:
               
First quarter
  $ 13.45     $ 7.98  
Second Quarter
  $ 12.06     $ 7.71  
Third Quarter
  $ 10.94     $ 7.05  
Fourth Quarter
  $ 12.25     $ 8.25  
Fiscal Year Ended October 31, 2006:
               
First quarter
  $ 10.90     $ 7.90  
Second Quarter
  $ 15.00     $ 9.22  
Third Quarter
  $ 13.97     $ 8.29  
Fourth Quarter
  $ 9.90     $ 6.59  
Fiscal Year Ended October 31, 2007:
               
First quarter
  $ 7.30     $ 5.86  
Second Quarter (through April 2, 2007)
  $ 8.70     $ 6.19  
 
On April 2, 2007, the last reported sale price of our common stock on The Nasdaq National Market was $7.73 per share. As of January 10, 2007, there were approximately 736 stockholders of record of our common stock.
 
DIVIDEND POLICY
 
We have not paid cash dividends on our common stock in the past and do not expect to do so in the foreseeable future. Any future determination to pay cash dividends will be at the discretion of our board of directors and will depend on our results of operations, financial condition, current and anticipated cash needs, contractual restrictions, restrictions imposed by applicable law and other factors that our board of directors deems relevant.


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UNDERWRITING
 
Under the terms and subject to the conditions contained in an underwriting agreement dated April   , 2007, we have agreed to sell to the underwriters named below, for whom Credit Suisse Securities (USA) LLC is acting as representative, the following respective numbers of shares of common stock:
 
         
    Number
 
Underwriter
  of Shares  
 
Credit Suisse Securities (USA) LLC
       
Canaccord Adams Inc. 
       
Lazard Capital Markets LLC
       
RBC Capital Markets Corporation
                
         
Total
    9,000,000  
 
The underwriting agreement provides that the underwriters are obligated to purchase all the shares of common stock in the offering if any are purchased, other than those shares covered by the over-allotment option described below. The underwriting agreement also provides that if an underwriter defaults, the purchase commitments of non-defaulting underwriters may be increased or the offering may be terminated.
 
We have granted to the underwriters a 30-day option to purchase on a pro rata basis up to 1,350,000 additional shares from us at the initial public offering price less the underwriting discounts and commissions. The option may be exercised only to cover any over-allotments of common stock.
 
The underwriters propose to offer the shares of common stock initially at the public offering price on the cover page of this prospectus supplement and to selling group members at that price less a selling concession of $     per share. After the initial public offering, the underwriters may change the public offering price and concession and discount to broker/dealers.
 
The following table summarizes the compensation and estimated expenses we will pay:
 
                                 
    Per Share     Total  
    Without
    With
    Without
    With
 
    Over-allotment     Over-allotment     Over-allotment     Over-allotment  
 
Underwriting Discounts and Commissions paid by us
  $       $       $       $    
Expenses payable by us
  $       $       $       $  
 
We have agreed that we will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, or file with the Securities and Exchange Commission a registration statement under the Securities Act relating to, any shares of our common stock or securities convertible into or exchangeable or exercisable for any shares of our common stock, or publicly disclose the intention to make any offer, sale, pledge, disposition or filing, without the prior written consent of Credit Suisse Securities (USA) LLC for a period of 90 days after the date of this prospectus, except issuances pursuant to the exercise of employee stock options outstanding on the date hereof or pursuant to our dividend reinvestment plan. However, in the event that either (1) during the last 17 days of the “lock-up” period, we release earnings results or material news or a material event relating to us occurs or (2) prior to the expiration of the “lock-up” period, we announce that we will release earnings results during the 16-day period beginning on the last day of the “lock-up” period, then in either case the expiration of the “lock-up” will be extended until the expiration of the 18-day period beginning on the date of the release of the earnings results or the occurrence of the material news or event, as applicable, unless Credit Suisse Securities (USA) LLC waives, in writing, such an extension.
 
Our officers and directors have agreed that they will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any shares of our common stock or securities convertible into or exchangeable or exercisable for any shares of our common stock, enter into a transaction that would have the same effect, or enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of our common stock, whether any of these transactions are to be settled


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by delivery of our common stock or other securities, in cash or otherwise, or publicly disclose the intention to make any offer, sale, pledge or disposition, or to enter into any transaction, swap, hedge or other arrangement, without, in each case, the prior written consent of Credit Suisse Securities (USA) LLC for a period of 90 days after the date of this prospectus. However, in the event that either (1) during the last 17 days of the “lock-up” period, we release earnings results or material news or a material event relating to us occurs or (2) prior to the expiration of the “lock-up” period, we announce that we will release earnings results during the 16-day period beginning on the last day of the “lock-up” period, then in either case the expiration of the “lock-up” will be extended until the expiration of the 18-day period beginning on the date of the release of the earnings results or the occurrence of the material news or event, as applicable, unless Credit Suisse Securities (USA) LLC waives, in writing, such an extension.
 
We have agreed to indemnify the underwriters against liabilities under the Securities Act, or contribute to payments that underwriters may be required to make in that respect.
 
We have applied to list the shares of common stock on The NASDAQ National Market. The shares of common stock have been approved for listing on The NASDAQ National Market subject to official notice of issuance, under the symbol “FCEL”.
 
The underwriters and their affiliates have provided, and may in the future provide, various investment banking, commercial banking and other financial services for us for which services they have received, and may receive in the future, customary fees. James Kempner, a Managing Director of Lazard Freres & Co. LLC, which has a business relationship with Lazard Capital Markets LLC, is the son of Tom Kempner, one of our directors.
 
In connection with the offering the underwriters may engage in stabilizing transactions, over-allotment transactions, syndicate covering transactions, and penalty bids and passive market making in accordance with Regulation M under the Exchange Act.
 
  •  Stabilizing transactions permit bids to purchase the underlying security so long as the stabilizing bids do not exceed a specified maximum.
 
  •  Over-allotment involves sales by the underwriters of shares in excess of the number of shares the underwriters are obligated to purchase, which creates a syndicate short position. The short position may be either a covered short position or a naked short position. In a covered short position, the number of shares over-allotted by the underwriters is not greater than the number of shares that they may purchase in the over-allotment option. In a naked short position, the number of shares involved is greater than the number of shares in the over-allotment option. The underwriters may close out any covered short position by either exercising their over-allotment option and/or purchasing shares in the open market.
 
  •  Syndicate covering transactions involve purchases of the common stock in the open market after the distribution has been completed in order to cover syndicate short positions. In determining the source of shares to close out the short position, the underwriters will consider, among other things, the price of shares available for purchase in the open market as compared to the price at which they may purchase shares through the over-allotment option. If the underwriters sell more shares than could be covered by the over-allotment option, a naked short position, the position can only be closed out by buying shares in the open market. A naked short position is more likely to be created if the underwriters are concerned that there could be downward pressure on the price of the shares in the open market after pricing that could adversely affect investors who purchase in the offering.
 
  •  Penalty bids permit the representative to reclaim a selling concession from a syndicate member when the common stock originally sold by the syndicate member is purchased in a stabilizing or syndicate covering transaction to cover syndicate short positions.
 
  •  In passive market making, market makers in the common stock who are underwriters or prospective underwriters may, subject to limitations, make bids for or purchases of our common stock until the time, if any, at which a stabilizing bid is made.


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These stabilizing transactions, syndicate covering transactions and penalty bids may have the effect of raising or maintaining the market price of our common stock or preventing or retarding a decline in the market price of the common stock. As a result, the price of our common stock may be higher than the price that might otherwise exist in the open market. These transactions may be effected on The NASDAQ National Market or otherwise and, if commenced, may be discontinued at any time.
 
A prospectus in electronic format may be made available on the web sites maintained by one or more of the underwriters, or selling group members, if any, participating in this offering and one or more of the underwriters participating in this offering may distribute prospectuses electronically. The representative may agree to allocate a number of shares to underwriters and selling group members for sale to their online brokerage account holders. Internet distributions will be allocated by the underwriters and selling group members that will make internet distributions on the same basis as other allocations.


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NOTICE TO CANADIAN RESIDENTS
 
Resale Restrictions
 
The distribution of the shares in Canada is being made only on a private placement basis exempt from the requirement that we prepare and file a prospectus with the securities regulatory authorities in each province where trades of the shares are made. Any resale of the shares in Canada must be made under applicable securities laws which will vary depending on the relevant jurisdiction, and which may require resales to be made under available statutory exemptions or under a discretionary exemption granted by the applicable Canadian securities regulatory authority. Purchasers are advised to seek legal advice prior to any resale of the shares.
 
Representations of Purchasers
 
By purchasing shares in Canada and accepting a purchase confirmation a purchaser is representing to us and the dealer from whom the purchase confirmation is received that:
 
  •  the purchaser is entitled under applicable provincial securities laws to purchase the shares without the benefit of a prospectus qualified under those securities laws,
 
  •  where required by law, that the purchaser is purchasing as principal and not as agent,
 
  •  the purchaser has reviewed the text above under Resale Restrictions, and
 
  •  the purchaser acknowledges and consents to the provision of specified information concerning its purchase of the shares to the regulatory authority that by law is entitled to collect the information.
 
Further details concerning the legal authority for this information is available on request.
 
Rights of Action — Ontario Purchasers Only
 
Under Ontario securities legislation, certain purchasers who purchase a security offered by this prospectus during the period of distribution will have a statutory right of action for damages, or while still the owner of the shares, for rescission against us in the event that this prospectus contains a misrepresentation without regard to whether the purchaser relied on the misrepresentation. The right of action for damages is exercisable not later than the earlier of 180 days from the date the purchaser first had knowledge of the facts giving rise to the cause of action and three years from the date on which payment is made for the shares. The right of action for rescission is exercisable not later than 180 days from the date on which payment is made for the shares. If a purchaser elects to exercise the right of action for rescission, the purchaser will have no right of action for damages against us. In no case will the amount recoverable in any action exceed the price at which the shares were offered to the purchaser and if the purchaser is shown to have purchased the securities with knowledge of the misrepresentation, we will have no liability. In the case of an action for damages, we will not be liable for all or any portion of the damages that are proven to not represent the depreciation in value of the shares as a result of the misrepresentation relied upon. These rights are in addition to, and without derogation from, any other rights or remedies available at law to an Ontario purchaser. The foregoing is a summary of the rights available to an Ontario purchaser. Ontario purchasers should refer to the complete text of the relevant statutory provisions.
 
Enforcement of Legal Rights
 
All of our directors and officers as well as the experts named herein may be located outside of Canada and, as a result, it may not be possible for Canadian purchasers to effect service of process within Canada upon us or those persons. All or a substantial portion of our assets and the assets of those persons may be located outside of Canada and, as a result, it may not be possible to satisfy a judgment against us or those persons in Canada or to enforce a judgment obtained in Canadian courts against us or those persons outside of Canada.


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Taxation and Eligibility for Investment
 
Canadian purchasers shares should consult their own legal and tax advisors with respect to the tax consequences of an investment in the shares in their particular circumstances and about the eligibility of the shares for investment by the purchaser under relevant Canadian legislation.


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LEGAL MATTERS
 
The validity of the securities offered hereby will be passed upon for us by Robinson & Cole LLP, Stamford, Connecticut. Certain matters will be passed upon for the underwriters by Latham & Watkins LLP, New York, New York.
 
EXPERTS
 
Our consolidated financial statements as of October 31, 2006 and 2005, and for each of the three years in the period ended October 31, 2006, from our Annual Report on Form 10-K for the year ended October 31, 2006, have been audited by KPMG LLP, independent registered public accounting firm, as stated in their report, and have been so incorporated in reliance upon the report given on their authority as experts in accounting and auditing. The audit report covering the October 31, 2006 consolidated financial statements refers to a change in the method of accounting for share-based payments.


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WHERE YOU CAN FIND ADDITIONAL INFORMATION
 
We are subject to the informational requirements of the Securities Exchange Act of 1934 and, therefore, we file annual, quarterly and current reports, proxy statements and other information with the Securities and Exchange Commission (SEC). Such periodic reports, proxy statements and other information are available for inspection and copying at the public reference room and web site of the SEC referred to above. Our common stock is quoted on the Nasdaq Global Market, and you may also inspect and copy our SEC filings at the offices of the National Association of Securities Dealers, Inc. located at 1735 K Street, N.W., Washington, D.C. 20006. The SEC maintains an Internet web site that contains reports, proxy and information statements and other information regarding issuers, including us, that file electronically with the SEC. The address for the SEC’s website is http://www.sec.gov.
 
You should rely only on the information provided in this prospectus and the registration statement. We have not authorized anyone else to provide you with different information. Our securities are not being offered in any state where the offer is not permitted. You should assume that the information in this prospectus is accurate only as of the dates of those documents. Our business, financial condition, results of operations and prospects may have changed since those dates.
 
INCORPORATION OF CERTAIN INFORMATION BY REFERENCE
 
The SEC allows us to “incorporate by reference” information that we file with it, which means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this prospectus. Information in this prospectus supersedes information incorporated by reference that we filed with the SEC prior to the date of this prospectus, while information that we file later with the SEC will automatically update and supersede this information. We incorporate by reference into this registration statement and prospectus the documents listed below, and any future filings we will make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934:
 
  •  Our Annual Report on Form 10-K for the fiscal year ended October 31, 2006, filed with the SEC on January 16, 2007;
 
  •  Our definitive proxy statement on Schedule 14A, filed with the SEC on February 23, 2007;
 
  •  Our Quarterly Report on Form 10-Q for the fiscal period ended January 31, 2007, filed with the SEC on March 12, 2007;
 
  •  Our Current Reports on Form 8-K filed with the SEC on March 9, 2007 and March 30, 2007; and
 
  •  The description of our common stock set forth in our registration statement on Form 8-A, filed with the SEC on June 6, 2000, including any amendments or reports filed for the purposes of updating this description.
 
We will furnish without charge to you, on written or oral request, a copy of any or all of the documents incorporated by reference, including exhibits to these documents. You should direct any requests for documents to FuelCell Energy, Inc., Attention: Corporate Secretary, 3 Great Pasture Road, Danbury, Connecticut 06813, telephone: (203) 825-6000.
 
We have filed with the SEC a registration statement on Form S-3 under the Securities Act with respect to our securities offered hereby. This prospectus supplement, which constitutes a part of the registration statement, does not contain all of the information set forth in the registration statement or the exhibits and schedules filed therewith. We have omitted certain parts of the registration statement as permitted by the rules and regulations of the SEC. For further information about us and our securities offered hereby, reference is made to the registration statement and the exhibits and schedules filed therewith. Statements contained in this prospectus supplement regarding the contents of any contract or any other document that is filed as an exhibit to the registration statement are not necessarily complete, and each such statement is qualified in all respects by reference to the full text of such contract or other document filed as an exhibit to the registration statement.


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$150,000,000
 
(FUELCELL ENERGY LOGO)
 
Debt Securities
Preferred Stock
Common Stock
 
 
 
 
We may from time to time offer and sell any combination of debt securities, preferred stock and/or common stock described in this prospectus in one or more offerings. The aggregate initial offering price of all securities sold under this prospectus will not exceed $150,000,000.
 
The securities may be offered to or through underwriters, through agents or dealers, directly to one or more purchasers or through a combination of such methods. See “Plan of Distribution.”
 
This prospectus provides a general description of the securities we may offer. Each time we sell securities, we will provide specific terms of the securities offered in a supplement to this prospectus. The prospectus supplement may also add, update or change information contained in this prospectus. You should read this prospectus and the applicable prospectus supplement carefully before you invest in any securities. This prospectus may not be used to consummate a sale of securities unless accompanied by the applicable prospectus supplement.
 
We will use the net proceeds received from the sale of the securities by the Company for general corporate purposes.
 
Our common stock is quoted on the Nasdaq Global Market under the symbol “FCEL”. No public market currently exists for the other securities offered hereby. The applicable prospectus supplement will contain information, where applicable, as to any other listing on any securities exchange of the securities covered by the prospectus supplement.
 
Our principal executive offices are located at 3 Great Pasture Road, Danbury, Connecticut 06813, and our telephone number is (203) 825-6000.
 
Investing in our securities involves risks that are described in the “Risk Factors” section beginning on page 3 of this prospectus.
 
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.
 
 
 
 
The date of this prospectus is January 23, 2007.


 

 
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FORWARD-LOOKING STATEMENTS
 
This prospectus and the documents incorporated by reference into this prospectus contain forward-looking statements that are based on current expectations, estimates and projections about our industry, management’s beliefs, and assumptions made by management. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” and variations of such words and similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and are subject to certain risks, uncertainties and assumptions that are difficult to predict; therefore, actual results may differ materially from those expressed or forecasted in any forward-looking statements. The risks and uncertainties include those noted in “Risk Factors” above and in the documents incorporated by reference. We undertake no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise.
 
ABOUT THIS PROSPECTUS
 
This prospectus is part of a registration statement that we filed with the Securities and Exchange Commission utilizing a “shelf” registration process. Under this shelf registration process, we may sell any combination of the securities described in this prospectus in one or more offerings up to a total dollar amount of $150,000,000. This prospectus provides you with a general description of the securities that we may offer. Each time we sell securities under this shelf registration, we will provide a prospectus supplement that will contain specific information about the terms of the offering. The prospectus supplement may also add, update or change information contained in this prospectus. If there is any inconsistency between the information in this prospectus and any prospectus supplement, you should rely on the information in that prospectus supplement. You should carefully read both this prospectus and any prospectus supplement, including documents incorporated by reference herein, together with the additional information described in the section entitled “Where You Can Find More Information.”
 
We have not authorized any dealer, salesman or other person to give any information or to make any representation other than those contained or incorporated by reference in this prospectus and the accompanying supplement to this prospectus. You must not rely upon any information or representation not contained or incorporated by reference in this prospectus or the accompanying prospectus supplement. This prospectus and the accompanying supplement to this prospectus do not constitute an offer to sell or the solicitation of an offer to buy any securities other than the registered securities to which they relate, nor do this prospectus and the accompanying supplement to this prospectus constitute an offer to sell or the solicitation of an offer to buy securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction. You should not assume that the information contained in this prospectus and the accompanying prospectus supplement is accurate on any date subsequent to the date set forth on the front of the document or that any information we have incorporated by reference is correct on any date subsequent to the date of the document incorporated by reference, even though this prospectus and any accompanying prospectus supplement is delivered or securities sold on a later date.


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FuelCell Energy, Inc.
 
General
 
We are a world leader in the development and manufacture of fuel cell power plants for ultra-clean, efficient and reliable electric power generation. Our products are designed to meet the 24/7 baseload power needs of commercial, industrial, government and utility customers. To date, our products have generated over 150 million kilowatt hours of electricity and we have units operating at over 50 locations around the world.
 
Our executive offices are located at 3 Great Pasture Road, Danbury, Connecticut 06813. Our telephone number is (203) 825-6000. We maintain a web site at the following Internet address: www.fuelcellenergy.com. The information on our web site is not part of this prospectus.
 
Unless the context otherwise requires, references in this prospectus to “FuelCell,” “we,” “us” and “our” refer to FuelCell Energy, Inc.
 
As used in this prospectus, all degrees refer to Fahrenheit (ºF), and kilowatt and megawatt numbers designate nominal or rated capacity of the referenced power plant. As used in this prospectus, “kilowatt” (kW) means 1,000 watts; “megawatt” (MW) means 1,000,000 watts; and “kilowatt hour” (kWh) is equal to 1 kW of power supplied to or taken from an electric circuit steadily for one hour. All dollar amounts are in U.S. dollars unless otherwise noted.
 
Summary of Business
 
We have been developing fuel cell technology since our founding in 1969. Our core carbonate fuel cell products (“Direct FuelCell®” or “DFC® Power Plants”) offer stationary applications for customers. In addition to our current commercial products, we continue to develop our next generation of carbonate fuel cell and hybrid products as well as planar solid oxide fuel cell technology with our own and government research and development funds.
 
Our proprietary DFC® Power Plants electrochemically (meaning without combustion) produce electricity directly from readily available hydrocarbon fuels, such as natural gas and biomass fuels. Customers buy fuel cells to improve reliability and reduce cost and emissions.
 
We believe our products offer significant advantages compared to other power generation technologies:
 
  •  Reliable 24/7 baseload power,
 
  •  High fuel efficiency,
 
  •  Ultra-clean (e.g. virtually zero emissions) quiet operation,
 
  •  Lower cost to generate electricity, and
 
  •  The ability to site units locally and provide high temperature heat for cogeneration applications.
 
Typical customers for our products include manufacturers, mission critical institutions such as correction facilities and government installations, hotels and customers who can use waste or byproducts of their operations for fuel such as breweries, food processors and waste water treatment facilities. With increasing demand for renewable and ultraclean power options, and increased volatility and uncertainty in electric markets, our customers gain control of power generation economics, reliability and emissions. Our fuel cells offer flexible siting and easy permitting.
 
Through December 31, 2006, our cumulative fleet availability was greater than 90 percent. Our DFC® Power Plants are protected by 46 U.S. and 74 international patents and we also have submitted 38 U.S. and 123 international patent applications.
 
Our business strategy is to expand our leadership position in key markets, build multi-megawatt markets and continue to reduce the costs of our products. We believe that with the emergence of the RPS markets, the growth of the California market and continuing product cost reduction, we are well positioned to move to


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profitability. At a sustained annual order and production volume of approximately 35 MW to 50 MW, depending on product mix, geographic location and other variables such as fuel prices, we believe we can reach gross margin break-even. We believe our net income break-even can be achieved at a sustained annual order and volume production of approximately 75-100 MW, assuming a mix of sub-MW and MW sales. Our 2.4 MW product currently has a production cost at market clearing prices in certain regions such as Connecticut. Therefore, if product mix trends move toward MW and multi-MW orders, we believe that company profitability can be achieved at annual volumes lower than 75 MW.


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RISK FACTORS
 
Investing in our securities involves risks. Before investing in our securities, you should carefully consider the following risk factors as well as the other information included and incorporated by reference in this prospectus. If any of the following risks actually occur, our business, financial condition, or results of operations and could be materially and adversely affected. In such cases, the trading price of our securities could decline, and you may lose all or part of your investment.
 
We have recently incurred losses and anticipate continued losses and negative cash flow.
 
We have been transitioning from a contract research and development company to a commercial products developer and manufacturer. As such, we have not been profitable since our fiscal year ended October 31, 1997. We expect to continue to incur net losses and generate negative cash flow until we can produce sufficient revenues to cover our costs. We may never become profitable. Even if we do achieve profitability, we may be unable to sustain or increase our profitability in the future. For the reasons discussed in more detail below, there are substantial uncertainties associated with our achieving and sustaining profitability.
 
Our cost reduction strategy may not succeed or may be significantly delayed, which may result in our inability to offer our products at competitive prices and may adversely affect our sales.
 
Our cost reduction strategy is based on the assumption that a significant increase in production will result in economies of scale. In addition, our cost reduction strategy relies on advancements in our manufacturing process, global competitive sourcing, engineering design and technology (including projected power output) that are currently not ascertainable. Failure to achieve our cost reduction targets would have a material adverse effect on our commercialization plans and, therefore, our business, prospects, results of operations and financial condition.
 
Our products will compete with products using other energy sources, and if the prices of the alternative sources are lower than energy sources used by our products, sales of our products will be adversely affected.
 
Our Direct FuelCell® has been operated using a variety of hydrocarbon fuels, including natural gas, methanol, diesel, biogas, coal gas, coal mine methane and propane. If these fuels are not readily available or if their prices increase such that electricity produced by our products costs more than electricity provided by other generation sources, our products would be less economically attractive to potential customers. In addition, we have no control over the prices of several types of competitive energy sources such as oil, gas or coal. Significant decreases (or short term increases) in the price of these fuels could also have a material adverse effect on our business because other generation sources could be more economically attractive to consumers than our products.
 
We have signed long-term power purchase and service agreements with customers which are subject to market conditions and operating risks that may affect our operating results.
 
Under the terms of our power purchase agreements, customers agree to purchase power from our fuel cell power plants at negotiated rates, generally for periods of five to ten years. Electricity rates are generally a function of the customer’s current and future electricity pricing available from the grid. Revenues are earned and collected under these PPAs as power is produced. As owner of the power plants in these PPA entities, we are responsible for all operating costs necessary to maintain, monitor and repair the power plants. Under certain agreements, we are also responsible for procuring fuel, generally natural gas, to run the power plants. Should electricity rates decrease or operating costs increase from our original estimates, our results of operations could be negatively impacted. We have qualified for incentive funding for these projects in California under the states’ Self Generation Incentive Funding Program and from other government programs. Funds are payable upon commercial installation and demonstration of the plant and may require return of the funds for failure of certain performance requirements. Revenue related to these incentive funds is recognized ratably over the performance period. We are not required to produce minimum amounts of power under our


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PPA agreements and we have the right to terminate PPA agreements by giving written notice to the customer, subject to certain exit costs.
 
We have contracted with certain customers to provide service of fuel cell power plants over terms ranging from one to thirteen years. Under the provisions of these contracts, we provide services to maintain, monitor and repair customer power plants. Pricing for service contracts is based upon estimates of future costs, which given the early stage of development could be materially different from actual expenses.
 
We extend product warranties which could affect our operating results.
 
We warranty our products for a specific period of time against manufacturing or performance defects. As we have limited operating experience, warranty costs are expensed as incurred. As a result operating results could be negatively impacted should there be product manufacturing or performance defects.
 
We currently face and will continue to face significant competition.
 
Our Direct FuelCell® currently faces, and will continue to face, significant competition. We compete on the basis of our products’ reliability, fuel efficiency, environmental considerations and cost. Technological advances in alternative energy products or improvements in the electric grid or other sources of power generation, or other fuel cell technologies may negatively affect the development or sale of some or all of our products or make our products non-competitive or obsolete prior to commercialization or afterwards. Other companies, some of which have substantially greater resources than ours, are currently engaged in the development of products and technologies that are similar to, or may be competitive with, our products and technologies.
 
Several companies in the U.S. are involved in fuel cell development, although we believe we are the only domestic company engaged in significant manufacturing and commercialization of carbonate fuel cells. Emerging fuel cell technologies (and companies developing them) include proton exchange membrane fuel cells (Ballard Power Systems, Inc.; United Technologies Corp. or UTC Fuel Cells; and Plug Power), phosphoric acid fuel cells (UTC Fuel Cells) and solid oxide fuel cells (Siemens Westinghouse Electric Company, SOFCo, General Electric, Delphi, Rolls Royce and Acumentrics). Each of these competitors has the potential to capture market share in our target markets.
 
There are other potential carbonate fuel cell competitors internationally. In Europe, a company in Italy, Ansaldo Fuel Cells, is actively engaged in carbonate fuel cell development and is a potential competitor.
 
Other than fuel cell developers, we must also compete with such companies as Caterpillar, Cummins, and Detroit Diesel, which manufacture more mature combustion-based equipment, including various engines and turbines, and have well-established manufacturing, distribution, and operating and cost features. Significant competition may also come from gas turbine companies like General Electric, Ingersoll Rand, Solar Turbines and Kawasaki, which have recently made progress in improving fuel efficiency and reducing pollution in large-size combined cycle natural gas fueled generators. These companies have also made efforts to extend these advantages to smaller sizes.
 
We have large and influential stockholders, which may make it difficult for a third party to acquire our common stock.
 
Our largest two institutional shareholders each own more than 5%, but less than 10%, of our outstanding common stock. MTU Friedrichshafen GmbH owns approximately 5% of our outstanding common stock. James D. Gerson beneficially owns approximately 2% of our outstanding common stock. Loeb Investors Co. LXXV and Warren Bagatelle (a managing director of an affiliate of Loeb Investors Co. LXXV) collectively beneficially own approximately 2% of our outstanding common stock. These ownership levels could make it difficult for a third party to acquire our common stock or have input into the decisions made by our board of directors, which include Michael Bode (Chief Executive Officer of MTU CFC Solutions GmbH), James D. Gerson, Warren Bagatelle and Thomas L. Kempner (Chairman and Chief Executive Officer of an affiliate of Loeb Investors Co. LXXV). MTU CFC is also a licensee of our technology and a purchaser of our Direct


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FuelCell® products. Therefore, it may be in MTU CFC’s interest to possess substantial influence over matters concerning our overall strategy and technological and commercial development.
 
MTU CFC may develop competing technologies.
 
MTU CFC Solutions GmbH is currently developing carbonate fuel cell technology. If this technology does not use DFC know-how, MTU CFC must use good faith efforts to license the technology to us. If MTU CFC is successful but does not grant us a license, it may be directly competing with us while having a significant ownership interest in us, and a seat on our board of directors. We have agreed with MTU CFC to continue developing products with as much commonality as possible. However, the license agreement between us and MTU CFC provides that each of us retains the right to independently pursue the development of carbonate fuel cell technologies.
 
We have limited experience manufacturing our Direct FuelCell® products on a commercial basis, which may adversely affect our planned increases in production capacity and our ability to satisfy customer requirements.
 
We have limited experience manufacturing our Direct FuelCell®products on a commercial basis. Our manufacturing, testing and conditioning facilities have equipment in place for a production capacity of 50 MW per year. We expect that we will then increase our manufacturing capacity based on market demand. We cannot be sure that we will be able to achieve any planned increases in production capacity. Also, as we scale up our production capacity, we cannot be sure that unplanned failures or other technical problems relating to the manufacturing process will not occur.
 
Even if we are successful in achieving our planned increases in production capacity, we cannot be sure that we will do so in time to meet our product commercialization schedule or to satisfy the requirements of our customers. Additionally, we cannot be sure that we will be able to develop efficient, low-cost manufacturing capabilities and processes (including automation) that will enable us to meet our cost goals and profitability projections. Our failure to develop advanced manufacturing capabilities and processes, or meet our cost goals, could have a material adverse effect on our business, prospects, results of operations and financial condition.
 
Unanticipated increases or decreases in business growth may result in adverse financial consequences for us.
 
If our business grows more quickly than we anticipate, our existing and planned manufacturing facilities may become inadequate and we may need to seek out new or additional space, at considerable cost to us. If our business does not grow as quickly as we expect, our existing and planned manufacturing facilities would, in part, represent excess capacity for which we may not recover the cost; in that circumstance, our revenues may be inadequate to support our committed costs and our planned growth and our gross margins and business strategy would be adversely affected.
 
Our plans are dependent on market acceptance of our Direct FuelCell® products.
 
Our plans are dependent upon market acceptance of, as well as enhancements to, those products. Fuel cell systems represent an emerging market, and we cannot be sure that potential customers will accept fuel cells as a replacement for traditional power sources. As is typical in a rapidly evolving industry, demand and market acceptance for recently introduced products and services are subject to a high level of uncertainty and risk. Since the distributed generation market is still evolving, it is difficult to predict with certainty the size of the market and its growth rate. The development of a market for our Direct FuelCell® products may be affected by many factors that are out of our control, including:
 
  •  the cost competitiveness of our fuel cell products;
 
  •  the future costs of natural gas and other fuels used by our fuel cell products;
 
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  •  perceptions of the safety of our fuel cell products;
 
  •  the market for distributed generation;
 
  •  local permitting and environmental requirements; and
 
  •  the emergence of newer, more competitive technologies and products.
 
If a sufficient market fails to develop or develops more slowly than we anticipate, we may be unable to recover the losses we will have incurred in the development of Direct FuelCell® products and may never achieve profitability.
 
As we continue to commercialize our Direct FuelCell®products, we will continue to develop warranties, production guarantees and other terms and conditions relating to our products that will be acceptable to the marketplace, and continue to develop a service organization that will aid in servicing our products and obtain self-regulatory certifications, if available, with respect to our products. Failure to achieve any of these objectives may also slow the development of a sufficient market for our products and, therefore, have a material adverse effect on our results of operations.
 
Our government research and development contracts are subject to the risk of termination by the contracting party and we may not realize the full amounts allocated under the contracts due to the lack of Congressional appropriations.
 
A portion of our fuel cell revenues have been derived from long-term cooperative agreements and other contracts with the U.S. Department of Energy (“DOE”), the U.S. Department of Defense, the U.S. Navy and other U.S. government agencies. These agreements are important to the continued development of our technology and our products.
 
Generally, our U.S. government research and development contracts, are subject to the risk of termination at the convenience of the contracting agency. Furthermore, these contracts, irrespective of the amounts allocated by the contracting agency, are subject to annual Congressional appropriations and the results of government or agency sponsored reviews and audits of our cost reduction projections and efforts. We can only receive funds under these contracts ultimately made available to us annually by Congress as a result of the appropriations process. Accordingly, we cannot be sure whether we will receive the full amounts awarded under our government research and development or other contracts. Failure to receive the full amounts under any of our government research and development contracts could materially and adversely affect our business prospects, results of operations and financial condition.
 
A negative government audit could result in an adverse adjustment of our revenue and costs and could result in civil and criminal penalties
 
Government agencies, such as the Defense Contract Audit Agency, routinely audit and investigate government contractors. These agencies review a contractor’s performance under its contracts, cost structure and compliance with applicable laws, regulations and standards. If the agencies determine through these audits or reviews that we improperly allocated costs to specific contracts, they will not reimburse us for these costs. Therefore, an audit could result in adjustments to our revenue and costs.
 
Further, although we have internal controls in place to oversee our government contracts, no assurance can be given that these controls are sufficient to prevent isolated violations of applicable laws, regulations and standards. If the agencies determine that we or one of our subcontractors engaged in improper conduct, we may be subject to civil or criminal penalties and administrative sanctions, payments, fines and suspension or prohibition from doing business with the government, any of which could materially affect our financial condition.


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The U.S. government has certain rights relating to our intellectual property, including restricting or taking title to certain patents.
 
Many of our U.S. patents relating to our fuel cell technology are the result of government-funded research and development programs. Two of our patents that were the result of DOE-funded research prior to January 1988 (the date that we qualified as a “small business”) are owned by the U.S. government and have been licensed to us. This license is revocable only in the limited circumstances where it has been demonstrated that we are not making an effort to commercialize the invention. We own all patents resulting from research funded by our DOE contracts awarded after January 1988 to date, based on our “small business” status when each contract was awarded. Under current regulations, patents resulting from research funded by government agencies other than the DOE are owned by us, whether or not we are a “small business.”
 
Ten U.S. patents that we own have resulted from government-funded research and are subject to the risk of exercise of “march-in” rights by the government. March-in rights refer to the right of the U.S. government or a government agency to exercise its non-exclusive, royalty-free, irrevocable worldwide license to any technology developed under contracts funded by the government if the contractor fails to continue to develop the technology. These “march-in” rights permit the U.S. government to take title to these patents and license the patented technology to third parties if the contractor fails to utilize the patents. In addition, our DOE-funded research and development agreements also require us to agree that we will not provide to a foreign entity any fuel cell technology subject to that agreement unless the fuel cell technology will be substantially manufactured in the U.S. Accordingly, we could lose some or all of the value of these patents.
 
A failure to qualify as a “small business” could adversely affect our rights to own future patents under DOE-funded contracts.
 
Qualifying as a “small business” under DOE contracts allows us to own the patents that we develop under DOE contracts. A “small business” under applicable government regulations generally consists of no more than 500 employees. If we continue to grow, we will no longer qualify as a “small business” and no longer own future patents we develop under future contracts, grants or cooperative agreements funded by the DOE based on such certification, unless we obtain a patent waiver from the DOE. Should we not obtain a patent waiver and outright ownership, we would nevertheless retain exclusive rights to any such patents, so long as we continue to commercialize the technology covered by the patents. As a result of our acquisition of Global Thermoelectric Inc., the number of our employees increased and therefore, we temporarily did not qualify as a “small business.” Following the sale of Global Thermoelectric Inc. and its TEG product line on May 27, 2004, we again qualified as a “small business”; however, we cannot assure you that we will continue to qualify as a “small business” in the future.
 
Our future success and growth is dependent on our distribution strategy.
 
We cannot assure you that we will enter into distributor relationships that are consistent with, or sufficient to support, our commercialization plans or our growth strategy or that these relationships will be on terms favorable to us. Even if we enter into these types of relationships, we cannot assure you that the distributors with which we form relationships will focus adequate resources on selling our products or will be successful in selling them. Some of these distributor arrangements have or will require that we grant exclusive distribution rights to companies in defined territories. These exclusive arrangements could result in us being unable to enter into other arrangements at a time when the distributor with which we form a relationship is not successful in selling our products or has reduced its commitment to marketing our products. In addition, certain distributor arrangements include, and some future distributor arrangements may also include, the issuance of equity and warrants to purchase our equity, which may have an adverse effect on our stock price. To the extent we enter into distributor relationships, the failure of these distributors in assisting us with the marketing and distribution of our products may adversely affect our results of operations and financial condition.
 
We cannot be sure that MTU CFC Solutions GmbH will continue to, or original equipment manufacturers (“OEMs”) will, manufacture or package products using our Direct FuelCell® components. In this area, our


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success will largely depend upon our ability to make our products compatible with the power plant products of OEMs and the ability of these OEMs to sell their products containing our products. In addition, some OEMs may need to redesign or modify their existing power plant products to fully incorporate our products. Accordingly, any integration, design, manufacturing or marketing problems encountered by MTU CFC or other OEMs could adversely affect the market for our Direct FuelCell® products and, therefore, our business, prospects, results of operations and financial condition.
 
We depend on third party suppliers for the development and supply of key components for Direct FuelCell® products.
 
We purchase several key components of our Direct FuelCell® products from other companies and rely on third-party suppliers for the balance-of-plant components in our Direct FuelCell® products. There are a limited number of suppliers for some of the key components of Direct FuelCell® products. A supplier’s failure to develop and supply components in a timely manner or to supply components that meet our quality, quantity or cost requirements or technical specifications or our inability to obtain alternative sources of these components on a timely basis or on terms acceptable to us could harm our ability to manufacture our Direct FuelCell® products. In addition, to the extent the processes that our suppliers use to manufacture components are proprietary, we may be unable to obtain comparable components from alternative suppliers.
 
We do not know when or whether we will secure long-term supply relationships with any of our suppliers or whether such relationships will be on terms that will allow us to achieve our objectives. Our business, prospects, results of operations and financial condition could be harmed if we fail to secure long-term relationships with entities that will supply the required components for our Direct FuelCell® products.
 
We depend on our intellectual property, and our failure to protect that intellectual property could adversely affect our future growth and success.
 
Failure to protect our existing intellectual property rights may result in the loss of our exclusivity or the right to use our technologies. If we do not adequately ensure our freedom to use certain technology, we may have to pay others for rights to use their intellectual property, pay damages for infringement or misappropriation or be enjoined from using such intellectual property. We rely on patent, trade secret, trademark and copyright law to protect our intellectual property. The patents that we have obtained will expire between 2008 and 2024 and the average remaining life of our U.S. patents is approximately 11.4 years.
 
Some of our intellectual property is not covered by any patent or patent application and includes trade secrets and other know-how that is not patentable, particularly as it relates to our manufacturing processes and engineering design. In addition, some of our intellectual property includes technologies and processes that may be similar to the patented technologies and processes of third parties. If we are found to be infringing third-party patents, we do not know whether we will able to obtain licenses to use such patents on acceptable terms, if at all. Our patent position is subject to complex factual and legal issues that may give rise to uncertainty as to the validity, scope and enforceability of a particular patent. Accordingly, we cannot assure you that:
 
  •  any of the U.S., Canadian or other foreign patents owned by us or other patents that third parties license to us will not be invalidated, circumvented, challenged, rendered unenforceable or licensed to others; or,
 
  •  any of our pending or future patent applications will be issued with the breadth of claim coverage sought by us, if issued at all.
 
In addition, effective patent, trademark, copyright and trade secret protection may be unavailable, limited or not applied for in certain foreign countries.
 
We also seek to protect our proprietary intellectual property, including intellectual property that may not be patented or patentable, in part by confidentiality agreements and, if applicable, inventors’ rights agreements with our subcontractors, vendors, suppliers, consultants, strategic partners and employees. We cannot assure you that these agreements will not be breached, that we will have adequate remedies for any breach or that such persons or institutions will not assert rights to intellectual property arising out of these relationships.


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Certain of our intellectual property has been licensed to us on a non-exclusive basis from third parties that may also license such intellectual property to others, including our competitors. If our licensors are found to be infringing third-party patents, we do not know whether we will be able to obtain licenses to use the intellectual property licensed to us on acceptable terms, if at all.
 
If necessary or desirable, we may seek extensions of existing licenses or further licenses under the patents or other intellectual property rights of others. However, we can give no assurances that we will obtain such extensions or further licenses or that the terms of any offered licenses will be acceptable to us. The failure to obtain a license from a third party for intellectual property that we use at present could cause us to incur substantial liabilities, and to suspend the manufacture or shipment of products or our use of processes requiring the use of that intellectual property.
 
While we are not currently engaged in any material intellectual property litigation, we could become subject to lawsuits in which it is alleged that we have infringed the intellectual property rights of others or commence lawsuits against others who we believe are infringing upon our rights. Our involvement in intellectual property litigation could result in significant expense to us, adversely affecting the development of sales of the challenged product or intellectual property and diverting the efforts of our technical and management personnel, whether or not that litigation is resolved in our favor.
 
Our future success will depend on our ability to attract and retain qualified management and technical personnel.
 
Our future success is substantially dependent on the continued services and on the performance of our executive officers and other key management, engineering, scientific, manufacturing and operating personnel, particularly R. Daniel Brdar, our Chief Executive Officer. The loss of the services of any executive officer, including Mr. Brdar, or other key management, engineering, scientific, manufacturing and operating personnel, could materially adversely affect our business. Our ability to achieve our development and commercialization plans will also depend on our ability to attract and retain additional qualified management and technical personnel. Recruiting personnel for the fuel cell industry is competitive. We do not know whether we will be able to attract or retain additional qualified management and technical personnel. Our inability to attract and retain additional qualified management and technical personnel, or the departure of key employees, could materially and adversely affect our development and commercialization plans and, therefore, our business, prospects, results of operations and financial condition.
 
Our management may be unable to manage rapid growth effectively.
 
We may rapidly expand our manufacturing capabilities, accelerate the commercialization of our products and enter a period of rapid growth, which will place a significant strain on our senior management team and our financial and other resources. Any expansion may expose us to increased competition, greater overhead, marketing and support costs and other risks associated with the commercialization of a new product. Our ability to manage rapid growth effectively will require us to continue to improve our operations, to improve our financial and management information systems and to train, motivate and manage our employees. Difficulties in effectively managing the budgeting, forecasting and other process control issues presented by such a rapid expansion could harm our business, prospects, results of operations and financial condition.
 
We may be affected by environmental and other governmental regulation.
 
We are subject to federal, state, provincial or local regulation with respect to, among other things, emissions and siting. Assuming no co-generation applications are used in conjunction with our Direct FuelCell® plants, they will discharge humid flue gas at temperatures of up to 800º F, water at temperatures of approximately 10-20º F above surrounding air temperatures and carbon dioxide.
 
In addition, it is possible that industry-specific laws and regulations will be adopted covering matters such as transmission scheduling, distribution and the characteristics and quality of our products, including installation and servicing. These regulations could limit the growth in the use of carbonate fuel cell products, decrease the acceptance of fuel cells as a commercial product and increase our costs and, therefore, the price


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of our Direct FuelCell® products. Accordingly, compliance with existing or future laws and regulations could have a material adverse effect on our business, prospects, results of operations and financial condition.
 
Utility companies could impose customer fees or interconnection requirements on our customers that could make our products less desirable.
 
Utility companies commonly charge fees to larger, industrial customers for disconnecting from the electric grid or for having the capacity to use power from the electric grid for back up purposes. These fees could increase the cost to our customers of using our Direct FuelCell® products and could make our products less desirable, thereby harming our business, prospects, results of operations and financial condition.
 
Several states have created and adopted or are in the process of creating their own interconnection regulations covering both technical and financial requirements for interconnection to utility grids. Depending on the complexities of the requirements, installation of our systems may become burdened with additional costs that might have a negative impact on our ability to sell systems. The Institute of Electrical and Electronics Engineers has been working to create an interconnection standard addressing the technical requirements for distributed generation to interconnect to utility grids. Many parties are hopeful that this standard will be adopted nationally to help reduce the barriers to deployment of distributed generation such as fuel cells; however this standard may not be adopted nationally thereby limiting the commercial prospects and profitability of our fuel cell systems.
 
We could be liable for environmental damages resulting from our research, development or manufacturing operations.
 
Our business exposes us to the risk of harmful substances escaping into the environment, resulting in personal injury or loss of life, damage to or destruction of property, and natural resource damage. Depending on the nature of the claim, our current insurance policies may not adequately reimburse us for costs incurred in settling environmental damage claims, and in some instances, we may not be reimbursed at all. Our business is subject to numerous federal, state and local laws and regulations that govern environmental protection and human health and safety. We believe that our businesses are operating in compliance in all material respects with applicable environmental laws, however these laws and regulations have changed frequently in the past and it is reasonable to expect additional and more stringent changes in the future.
 
Our operations may not comply with future laws and regulations and we may be required to make significant unanticipated capital and operating expenditures. If we fail to comply with applicable environmental laws and regulations, governmental authorities may seek to impose fines and penalties on us or to revoke or deny the issuance or renewal of operating permits and private parties may seek damages from us. Under those circumstances, we might be required to curtail or cease operations, conduct site remediation or other corrective action, or pay substantial damage claims.
 
We may be required to conduct environmental remediation activities, which could be expensive.
 
We are subject to a number of environmental laws and regulations, including those concerning the handling, treatment, storage and disposal of hazardous materials. These environmental laws generally impose liability on present and former owners and operators, transporters and generators for remediation of contaminated properties. We believe that our businesses are operating in compliance in all material respects with applicable environmental laws, many of which provide for substantial penalties for violations. We cannot assure you that future changes in such laws, interpretations of existing regulations or the discovery of currently unknown problems or conditions will not require substantial additional expenditures. Any noncompliance with these laws and regulations could subject us to material administrative, civil or criminal penalties or other liabilities. In addition, we may be required to incur substantial costs to comply with current or future environmental and safety laws and regulations.


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Our products use inherently dangerous, flammable fuels, operate at high temperatures and use corrosive carbonate material, each of which could subject our business to product liability claims.
 
Our business exposes us to potential product liability claims that are inherent in products that use hydrogen. Our products utilize fuels such as natural gas and convert these fuels internally to hydrogen that is used by our products to generate electricity. The fuels we use are combustible and may be toxic. In addition, our Direct FuelCell® products operate at high temperatures and our Direct FuelCell® products use corrosive carbonate material, which could expose us to potential liability claims. Although we have comprehensive safety, maintenance and training programs in place, we cannot guarantee there will not be accidents. Any accidents involving our products or other hydrogen-using products could materially impede widespread market acceptance and demand for our Direct FuelCell® products. In addition, we might be held responsible for damages beyond the scope of our insurance coverage. We also cannot predict whether we will be able to maintain our insurance coverage on acceptable terms.
 
We are subject to risks inherent in international operations.
 
Since we market our Direct FuelCell® products both inside and outside the U.S. and Canada, our success depends, in part, on our ability to secure international customers and our ability to manufacture products that meet foreign regulatory and commercial requirements in target markets. We have limited experience developing and manufacturing our products to comply with the commercial and legal requirements of international markets. In addition, we are subject to tariff regulations and requirements for export licenses, particularly with respect to the export of some of our technologies. We face numerous challenges in our international expansion, including unexpected changes in regulatory requirements, fluctuations in currency exchange rates, longer accounts receivable requirements and collections, difficulties in managing international operations, potentially adverse tax consequences, restrictions on repatriation of earnings and the burdens of complying with a wide variety of international laws. Any of these factors could adversely affect our operations and revenues.
 
Our stock price has been and could remain volatile.
 
The market price for our common stock has been and may continue to be volatile and subject to extreme price and volume fluctuations in response to market and other factors, including the following, some of which are beyond our control:
 
  •  failure to meet our product development and commercialization milestones;
 
  •  variations in our quarterly operating results from the expectations of securities analysts or investors;
 
  •  downward revisions in securities analysts’ estimates or changes in general market conditions;
 
  •  announcements of technological innovations or new products or services by us or our competitors;
 
  •  announcements by us or our competitors of significant acquisitions, strategic partnerships, joint ventures or capital commitments;
 
  •  additions or departures of key personnel;
 
  •  investor perception of our industry or our prospects;
 
  •  insider selling or buying;
 
  •  demand for our common stock; and
 
  •  general technological or economic trends.
 
In the past, following periods of volatility in the market price of their stock, many companies have been the subjects of securities class action litigation. If we became involved in securities class action litigation in the future, it could result in substantial costs and diversion of management’s attention and resources and could harm our stock price, business, prospects, results of operations and financial condition.


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Provisions of Delaware and Connecticut law and of our charter and by-laws may make a takeover more difficult.
 
Provisions in our certificate of incorporation and by-laws and in Delaware and Connecticut corporate law may make it difficult and expensive for a third party to pursue a tender offer, change in control or takeover attempt that is opposed by our management and board of directors. Public stockholders who might desire to participate in such a transaction may not have an opportunity to do so. These anti-takeover provisions could substantially impede the ability of public stockholders to benefit from a change in control or change in our management and board of directors.
 
We depend on relationships with strategic partners, and the terms and enforceability of many of these relationships are not certain.
 
We have entered into relationships with strategic partners for design, product development and distribution of our existing products, and products under development, some of which may not have been documented by a definitive agreement. The terms and conditions of many of these agreements allow for termination by the partners. Termination of any of these agreements could adversely affect our ability to design, develop and distribute these products to the marketplace. We cannot assure you that we will be able to successfully negotiate and execute definitive agreements with any of these partners, and failure to do so may effectively terminate the relevant relationship.
 
Future sales of substantial amounts of our common stock could affect the market price of our common stock.
 
Future sales of substantial amounts of our common stock, or securities convertible or exchangeable into shares of our common stock, into the public market, including shares of our common stock issued upon exercise of options and warrants, or perceptions that those sales could occur, could adversely affect the prevailing market price of our common stock and our ability to raise capital in the future.
 
The rights of the Series 1 preferred shares and Series B preferred stock could negatively impact FuelCell.
 
The terms of the Series 1 preferred shares issued by FuelCell Energy, Ltd., our wholly-owned, indirect subsidiary, provide rights to the holder, Enbridge Inc. (“Enbridge”), including dividend and conversion rights among others that could negatively impact us. For example, the terms of the Series 1 preferred shares provide that the holders are entitled to receive cumulative dividends for each calendar quarter for so long as such shares are outstanding. Assuming the exchange rate for Canadian dollars is Cdn.$1.1758 to U.S.$1.00 (exchange rate on January 10, 2007) at the time of the applicable dividend payment date, we are required to pay a preferred dividend of approximately $265,776 per calendar quarter, subject to reduction in accordance with the terms of the Series 1 preferred shares. The terms of the Series 1 preferred shares also require that the holder be paid any accrued and unpaid dividends on December 31, 2010. To the extent that there is a significant amount of accrued dividends that is unpaid as of December 31, 2010 and we do not have sufficient working capital at that time to pay the accrued dividends, our financial condition could be adversely affected. We have guaranteed these dividend obligations, including paying a minimum of Cdn.$500,000 in cash annually to Enbridge for so long as Enbridge holds the Series 1 preferred shares. We have also guaranteed the liquidation obligations of FuelCell Energy, Ltd. under the Series 1 preferred shares.
 
We are also required to issue common stock to the holder of the Series 1 preferred shares if and when the holder exercises its conversion rights. The number of shares of common stock that we may issue upon conversion could be significant and dilutive to our existing stockholders. For example, assuming the holder of the Series 1 preferred shares exercises its conversion rights after July 31, 2020 and assuming our common stock price is U.S.$6.22 (our common stock closing price on January 10, 2007) and the exchange rate for Canadian dollars is Cdn.$1.1758 to U.S.$1.00 (exchange rate on January 10, 2007) at the time of conversion, we would be required to issue approximately 3,598,260 shares of our common stock.
 
The terms of the Series B preferred stock also provide rights to their holders that could negatively impact us. Holders of the Series B preferred stock are entitled to receive cumulative dividends at the rate of $50 per


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share per year, payable either in cash or in shares of our common stock. To the extent the dividend is paid in shares, additional issuances could be dilutive to our existing stockholders and the sale of those shares could have a negative impact on the price of our common stock. A share of our Series B preferred stock may be converted at any time, at the option of the holder, into 85.1064 shares of our common stock (which is equivalent to an initial conversion price of $11.75 per share), plus cash in lieu of fractional shares. Furthermore, the conversion rate applicable to the Series B preferred stock is subject to adjustment upon the occurrence of certain events.


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RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS
 
The ratio of our earnings to fixed charges are set forth below for each of the periods indicated.
 
                                         
    Fiscal Year Ended October 31,  
    2006(1)     2005(1)     2004(1)     2003(1)     2002(1)  
 
Ratio of earnings to fixed charges and preference dividends
    N/A       N/A       N/A       N/A       N/A  
 
 
(1) For the fiscal years ended October 31, 2006, 2005, 2004, 2003 and 2002, our earnings were insufficient to cover fixed charges. The coverage deficiencies were $83.3 million, $71.5 million, $88.2 million, $67.4 million and $48.8 million, respectively.
 
For purposes of calculating the ratios of earnings to fixed charges, (i) fixed charges consist of interest on debt, amortization of discount on debt, capitalized interest, and preferred dividends and (ii) earnings consist of pre-tax income from operations and fixed charges (excluding capitalized interest) and include the amortization of capitalized interest.
 
USE OF PROCEEDS
 
Except as may be provided in an applicable prospectus supplement, we will use the net proceeds from the sale of the debt securities, preferred stock and/or common stock for market and product development, project financing and general corporate purposes. General corporate purposes may include capital expenditures, repayment of debt, payment of dividends and any other purposes that we may specify in any prospectus supplement. We may invest the net proceeds temporarily until we use them for their stated purpose.
 
DESCRIPTION OF DEBT SECURITIES
 
We may from time to time offer and sell debt securities consisting of debentures, notes and/or other unsecured evidences of indebtedness (the “Debt Securities”). The Debt Securities will be either our unsecured senior debt securities (the “Senior Debt Securities”) or our unsecured subordinated debt securities (the “Subordinated Debt Securities”). The Senior Debt Securities will be issued under an Indenture (the “Senior Indenture”) between us and a trustee that will be identified in a prospectus supplement (the “Senior Trustee”). The Senior Debt Securities will be our direct, unsecured obligations and will rank equally with all of our outstanding unsecured senior indebtedness. The Subordinated Debt Securities will be issued under a second indenture (the “Subordinated Indenture”) between us and a trustee that will be identified in a prospectus supplement (the “Subordinated Trustee”), which may be the same as the Senior Trustee. The Subordinated Debt Securities will be our direct, unsecured obligations and, unless otherwise specified in the prospectus supplement relating to a particular series of Subordinated Debt Securities offered by such prospectus supplement, will be subject to the subordination provisions set forth under the heading “Subordination of the Subordinated Debt Securities” below. The Senior Indenture and the Subordinated Indenture are together called the “Indentures” and the Senior Trustee and the Subordinated Trustee are together called the “Trustee.”
 
The following summary of certain provisions of the Indentures is not complete. You should refer to the form of each Indenture, copies of which will be filed as exhibits to the registration statement of which this prospectus is a part.
 
The following section describes certain general terms and provisions of the Debt Securities. The Debt Securities may be issued from time to time in one or more series. The particular terms of each series of Debt Securities offered by any prospectus supplement will be described in that prospectus supplement.
 
General.  The Indentures do not limit the aggregate principal amount of Debt Securities that we may issue. Each Indenture provides that Debt Securities of any series may be issued under it up to the aggregate principal amount authorized from time to time by us and may be denominated in any currency or currency unit that we designate. We will determine the terms and conditions of each series of Debt Securities, including the maturity, principal and interest, but those terms must be consistent with the Indenture. Unless set forth in


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the applicable prospectus supplement, neither the Indentures nor the Debt Securities will limit or otherwise restrict the amount of other indebtedness that we may incur or the other securities that we may issue.
 
The prospectus supplement relating to each series of Debt Securities being offered will specify the particular terms of those Debt Securities. The terms may include:
 
  •  the title of the Debt Securities and whether they are Senior Debt Securities or Subordinated Debt Securities;
 
  •  any limit on the aggregate principal amount of the Debt Securities;
 
  •  the priority of payment of the Debt Securities, including any subordination provisions;
 
  •  the price or prices (which may be expressed as a percentage of the aggregate principal amount thereof) at which the Debt Securities will be issued;
 
  •  the date or dates on which the principal and premium, if any, of the Debt Securities are payable;
 
  •  the interest rate or rates (which may be fixed or variable) of the Debt Securities, if any;
 
  •  the interest payment date or dates, if any, or the method or methods by which such dates may be determined, if any, the date or dates on which payment of interest, if any, will commence, the date or dates from which interest will accrue and the regular record dates for such interest payment dates;
 
  •  the extent to which any of the Debt Securities will be issuable in temporary or permanent global form, or the manner in which any interest payable on a temporary or permanent Global Security (as defined herein) will be paid;
 
  •  each office or agency where, subject to the terms of the applicable Indenture, the Debt Securities may be presented for registration of transfer or exchange;
 
  •  the place or places where, subject to the terms of the applicable Indenture, the principal (and premium, if any) and interest, if any, on the Debt Securities will be payable;
 
  •  the terms and conditions on which we may redeem any Debt Securities, if at all;
 
  •  any obligation to redeem or purchase any Debt Securities and the terms and conditions on which we must do so;
 
  •  the denomination or denominations in which the Debt Securities will be issuable if other than $1,000 and integral multiples thereof;
 
  •  the currency, currencies or units based on or related to currencies for which the Debt Securities may be purchased and the currency, currencies or currency units in which the principal of, premium, if any, and any interest on such Debt Securities may be payable;
 
  •  whether the Debt Securities will be convertible into shares of our common stock or preferred stock, or other securities or property, and, if so, the terms of such conversion;
 
  •  any index used to determine the amount of payments of principal of, premium, if any, and interest on the Debt Securities;
 
  •  the payment of any additional amounts with respect to the Debt Securities;
 
  •  whether any of the Debt Securities will be issued as Original Issue Discount Securities (as defined below) and the terms and provisions relating to these securities;
 
  •  information with respect to book-entry procedures relating to Global Securities, if any;
 
  •  if applicable, that the Debt Securities are defeasible;


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  •  any additional covenants or Events of Default not set forth in the applicable Indenture or changes in the covenants or Events of Default set forth in the applicable Indenture; and
 
  •  any other terms of the Debt Securities not inconsistent with the provisions of the applicable Indenture.
 
Debt Securities may be issued as original issue discount Debt Securities (bearing no interest or interest at a rate that at the time of issuance is below market rates) (“Original Issue Discount Securities”), to be sold at a substantial discount below their stated principal amount. There may not be any periodic payments of interest on Original Issue Discount Securities. In the event of an acceleration of the maturity of any Original Issue Discount Security, the amount payable to the holder of such Original Issue Discount Security upon such acceleration will be set forth in the prospectus supplement and determined in accordance with the terms of such security and the Indenture, but will be an amount less than the amount payable at the maturity of the principal of such Original Issue Discount Security. The federal income tax considerations with respect to Original Issue Discount Securities will be explained in the prospectus supplement we prepare for the Original Issue Discount Securities.
 
Conversion and Exchange Rights.  The prospectus supplement will describe, if applicable, the terms on which you may convert Debt Securities into or exchange them for our common stock, our preferred stock or other securities or property. The conversion or exchange may be mandatory or may be at your option. We will describe how the number of shares of our common stock, our preferred stock or other securities or property to be received upon conversion or exchange would be calculated.
 
Form, Exchange and Transfer.  We will issue Debt Securities only in fully registered form, without coupons, and, unless otherwise specified in the prospectus supplement, only in denominations of $1,000 and integral multiples thereof.
 
The holder of a Debt Security may elect, subject to the terms of the Indentures and the limitations applicable to Global Securities, to exchange them for other Debt Securities of the same series of any authorized denomination and of a like tenor and aggregate principal amount.
 
Holders of Debt Securities may present them for exchange as provided above or for registration of transfer, duly endorsed or with the form of transfer endorsed thereon duly executed, at the office of the transfer agent we designate for the purpose. We will not impose a service charge for any registration of transfer or exchange of Debt Securities, but we may require a payment sufficient to cover any tax or other governmental charge payable in connection with the transfer exchange. We will name the transfer agent in the prospectus supplement. We may designate additional transfer agents or rescind the designation of any transfer agent or approve a change in the office through which any transfer agent acts, but we must maintain a transfer agent in each place of payment for the Debt Securities.
 
If we redeem the Debt Securities, we will not be required to issue, register the transfer of or exchange any Debt Security during a specified period prior to mailing a notice of redemption. We are not required to register the transfer of or exchange any Debt Security selected for redemption, except the unredeemed portion of the Debt Security being redeemed.
 
Payment and Paying Agents.  Unless otherwise stated in the prospectus supplement, we will pay principal and any premium or interest on a Debt Security to the person in whose name the Debt Security is registered at the close of business on the regular record date for such interest.
 
Unless otherwise stated in the prospectus supplement, we will pay principal and any premium or interest on the Debt Securities at the office of our designated paying agent, except we may pay interest by check mailed to the address of the person entitled to the payment. Unless we state otherwise in the prospectus supplement, the corporate trust office of the Trustee will be the paying agent for the Debt Securities.
 
Any other paying agents we designate for the Debt Securities of a particular series will be named in the prospectus supplement. We may designate additional paying agents, rescind the designation of any paying agent or approve a change in the office through which any paying agent acts, but we must maintain a paying agent in each place of payment for the Debt Securities.


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The paying agent will return to us all money we pay to it for the payment of the principal, premium or interest on any Debt Security that remains unclaimed for a specified period. The holder thereafter may look only to us for payment.
 
Global Securities.  The Debt Securities of any series may be represented by one or more global securities (each, a “Global Security” and, together, the “Global Securities”) that will have an aggregate principal amount equal to that of the Debt Securities of that series. Each Global Security will be registered in the name of a depositary identified in the prospectus supplement. We will deposit the Global Security with the depositary or a custodian, and the Global Security will bear a legend regarding the restrictions on exchanges and registration of transfer.
 
No Global Security may be exchanged in whole or in part for Debt Securities registered, and no transfer of a Global Security in whole or in part may be registered, in the name of any person other than the depositary or any nominee of the depositary unless (1) the depositary has notified us that it is unwilling or unable to continue as depositary or (2) an event of default occurs and continues with respect to the Debt Securities. The depositary will determine how all securities issued in exchange for a Global Security will be registered.
 
As long as the depositary or its nominee is the registered holder of a Global Security, the depositary or the nominee will be considered the sole owner and holder of the Global Security and the underlying Debt Securities. Except as stated above, owners of beneficial interests in a Global Security will not be entitled to have the Global Security or any Debt Security registered in their names, will not receive physical delivery of certificated Debt Securities and will not be considered to be the owners or holders of the Global Security or underlying Debt Securities. We will make all payments of principal, premium and interest on a Global Security to the depositary or its nominee. The laws of some jurisdictions require that certain purchasers of securities take physical delivery of such securities in definitive form. These laws may prevent you from transferring your beneficial interests in a Global Security.
 
Only institutions that have accounts with the depositary or its nominee and persons that hold beneficial interests through the depositary or its nominee may own beneficial interests in a Global Security. The depositary will credit, on its book-entry registration and transfer system, the respective principal amounts of Debt Securities represented by the Global Security to the accounts of its participants. Ownership of beneficial interests in a Global Security will be shown only on, and the transfer of those ownership interests will be effected only through, records maintained by the depositary or any such participant.
 
The policies and procedures of the depositary may govern payments, transfers, exchanges and other matters relating to beneficial interests in a Global Security. We and the Trustee assume no responsibility or liability for any aspect of the depositary’s or any participant’s records relating to, or for payments made on account of, beneficial interests in a Global Security.
 
The specific terms of the depositary arrangement with respect to any series of Debt Securities will be described in the applicable prospectus supplement.
 
Consolidation, Merger and Sale of Assets.  Each Indenture provides that we may, without the consent of the holders of any of the Debt Securities outstanding under the applicable Indenture, consolidate with, merge into or transfer our assets substantially as an entirety to any person, provided that:
 
  •  any successor assumes our obligations on the applicable Debt Securities and under the applicable Indenture;
 
  •  after giving effect to the transaction, there is no Default or Event of Default that is continuing; and
 
  •  certain other conditions under the applicable Indenture are met.
 
Accordingly, such consolidation, merger or transfer of assets substantially as an entirety, which meets the conditions described above, would not create any Event of Default which would entitle holders of the Debt Securities, or the Trustee on their behalf, to take any of the actions described below under “Events of Default.”


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Leveraged and Other Transactions.  Unless otherwise specified in the applicable prospectus supplement, the Indentures and the Debt Securities will not contain, among other things, provisions that would protect holders of the Debt Securities in the event of a highly leveraged or other transaction involving us that could adversely affect the holders of Debt Securities.
 
Modification of the Indentures; Waiver.  Each Indenture provides that, with the consent of the holders of not less than a majority in aggregate principal amount of the outstanding Debt Securities of each affected series, modifications and alterations of such Indenture may be made that affect the rights of the holders of such Debt Securities. However, no such modification or alteration may be made without the consent of the holder of each Debt Security so affected which would, among other things:
 
  •  change the maturity of the principal of, or of any installment of interest (or premium, if any) on, any Debt Security issued pursuant to such Indenture;
 
  •  change the principal amount thereof, premium thereon, if any, or interest thereon;
 
  •  change the method of calculation of interest or the currency of payment of principal or interest (or premium, if any) thereon;
 
  •  reduce the minimum rate of interest thereon;
 
  •  impair the right to bring suit for the enforcement of any such payment on or with respect to any such Debt Security;
 
  •  reduce the amount of principal of an Original Issue Discount Security that would be due and payable upon an acceleration of the maturity thereof;
 
  •  reduce the above-stated percentage in principal amount of outstanding Debt Securities of any series required to modify or alter such Indenture;
 
  •  in the case of Subordinated Debt Securities, modify the subordination provisions in a manner materially adverse to their holders;
 
  •  in the case of Debt Securities that are convertible or exchangeable into our other securities, adversely affect the right of holders to convert or exchange any of the Debt Securities;
 
  •  reduce the percentage in principal amount of outstanding Debt Securities of any series necessary for waiver of compliance with certain provisions of the Indentures or for waiver of certain defaults;
 
  •  modify provisions with respect to modification and waiver; or
 
  •  change our obligation to maintain an office or agency as required by the applicable Indenture.
 
The holders of a majority in aggregate principal amount of the outstanding Debt Securities of any series may waive, on behalf of the holders of all Debt Securities of that series, our compliance with certain restrictive provisions of the Indentures. Prior to the acceleration of the maturity of the Debt Securities of any series outstanding under the Indentures, the holders of a majority in aggregate principal amount of the outstanding Debt Securities of any series may waive any past default under the Indenture with respect to Debt Securities of that series, except a default (1) in the payment of principal, premium or interest on any Debt Security of that series or (2) in respect of a covenant or provision of the Indenture that cannot be amended without each holder’s consent.
 
Except in certain limited circumstances, we may set any day as a record date for the purpose of determining the holders of outstanding Debt Securities of any series entitled to give or take any direction, notice, consent, waiver or other action under the Indentures. In certain limited circumstances, the Trustee may set a record date for action by holders. To be effective, the action must be taken by holders of the requisite principal amount of such Debt Securities within a specified period following the record date.


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Events of Default.  An Event of Default with respect to the Debt Securities of any series is defined in the applicable Indenture as:
 
  •  default in the payment of principal of or premium, if any, on any Debt Security of that series when due, whether or not, in the case of Subordinated Debt Securities, such payment is prohibited by the Subordinated Indenture;
 
  •  default in the payment of interest on any Debt Security of that series when due, which continues for 30 days, whether or not, in the case of Subordinated Debt Securities, such payment is prohibited by the Subordinated Indenture;
 
  •  failure to deposit any sinking fund payment, when due, in respect of any Debt Security of that series, whether or not, in the case of Subordinated Debt Securities, such payment is prohibited by the subordination provisions of the Subordinated Indenture;
 
  •  default in the performance by us of any of our other covenants in the applicable Indenture with respect to the Debt Securities of such series, which continues for 90 days after written notice by the Trustee or the holders of at least 25% in aggregate principal amount of the Debt Securities of that series;
 
  •  certain events of bankruptcy, insolvency or reorganization affecting us; and
 
  •  any other event that may be specified in a prospectus supplement with respect to any series of Debt Securities.
 
If an Event of Default (other than an Event of Default relating to events of bankruptcy, insolvency or reorganization) with respect to any series of Debt Securities occurs and is continuing, either the Trustee or the holders of at least 25% in aggregate principal amount of the Debt Securities of such series outstanding may declare the principal amount (or if such Debt Securities are Original Issue Discount Securities, such portion of the principal amount as may be specified in the terms of that series) of all Debt Securities of that series to be immediately due and payable. If an Event of Default relating to events of bankruptcy, insolvency or reorganization with respect to the Debt Securities of any series at the time outstanding shall occur, the principal amount of all the Debt Securities of that series (or, in the case of any such Original Issue Discount Security, such specified amount) will automatically, and without any action by the applicable Trustee or any holder, become immediately due and payable. After any such acceleration, but before a judgment or decree based on acceleration, the holders of a majority in principal amount of the outstanding Debt Securities of that series may, under certain circumstances, rescind and annul such acceleration if all Events of Default, other than the non-payment of accelerated principal (or other specified amount), have been cured or waived as provided in the applicable Indenture. For information as to waiver of defaults, see “Modification of the Indentures; Waiver.”
 
If an Event of Default occurs and is continuing, the Trustee may, in its discretion, and at the written request of holders of not less than a majority in aggregate principal amount of the Debt Securities of any series, and upon reasonable indemnity against the costs, expenses and liabilities to be incurred in compliance with such request and subject to certain other conditions set forth in the applicable Indenture will, proceed to protect the rights of the holders of all the Debt Securities of such series.
 
The Indentures provide that upon the occurrence of an Event of Default relating to payments of principal of, premium, if any, or interest on any Debt Security, we will, upon demand of the Trustee, pay to it, for the benefit of the holder of any such Debt Security, the whole amount then due and payable on such Debt Securities for principal, premium, if any, and interest. The Indentures further provide that that if we fail to pay such amount upon such demand, the Trustee may, among other things, institute a judicial proceeding for the collection of the amount due.
 
No holder of a Debt Security of any series may institute any proceeding with respect to the Indentures, or for the appointment of a receiver or a trustee, or for other remedy, unless (1) the holder has previously given the Trustee written notice of a continuing event of default, (2) the holders of at least 25% in aggregate principal amount of the outstanding Debt Securities of that series have made a written request, and the holders have offered reasonable indemnity to the Trustee to institute the proceeding, and (3) the Trustee has failed to


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institute the proceeding, and has not received a direction inconsistent with the request within 60 days of such notice. The Indentures also provide that, notwithstanding any other provision of the applicable Indenture, the holder of any Debt Security of any series will have the right to institute suit for the enforcement of any payment of principal of, premium, if any, and interest on such Debt Securities when due and that such right will not be impaired without the consent of such holder.
 
We are required to file annually with the applicable Trustee a written statement as to the existence or non-existence of defaults under the Indentures or the Debt Securities.
 
Subordination of the Subordinated Debt Securities.  The Subordinated Debt Securities will be our direct, unsecured obligations and, unless otherwise specified in the prospectus supplement relating to a particular series of Subordinated Debt Securities offered by such prospectus supplement, will be subject to the subordination provisions described in this section. Upon any distribution of our assets due to any dissolution, winding up, liquidation or reorganization, the payment of the principal of, premium, if any, and interest on the Subordinated Debt Securities is to be subordinated in right of payment to all Senior Indebtedness. In certain events of bankruptcy or insolvency, the payment of the principal of and interest on the Subordinated Debt Securities will, to the extent provided in the Subordinated Indenture, also be effectively subordinated in right of payment to all General Obligations (as defined below).
 
Upon any distribution of our assets due to any dissolution, winding up, liquidation or reorganization, the holders of Senior Indebtedness will first be entitled to receive payment in full of all amounts due or to become due before the holders of the Subordinated Debt Securities will be entitled to receive any payment in respect of the Subordinated Debt Securities. If upon any such payment or distribution of assets, after giving effect to such subordination provisions in favor of the holders of Senior Indebtedness, (i) there remain any amounts of cash, property or securities available for payment or distribution in respect of the Subordinated Debt Securities (“Excess Proceeds”) and (ii) if, at such time, any creditors in respect of General Obligations have not received payment in full of all amounts due or to become due on or in respect of such General Obligations, then such Excess Proceeds will first be applied to pay or provide for the payment in full of such General Obligations before any payment or distribution may be made in respect of the Subordinated Debt Securities.
 
In addition, no payment may be made on the Subordinated Debt Securities, or in respect of any redemption, retirement, purchase or other acquisition of any of the Subordinated Debt Securities, at any time in the event:
 
  •  there is a default in the payment of the principal of, premium, if any, interest on or otherwise in respect of any Senior Indebtedness; or
 
  •  any event of default with respect to any Senior Indebtedness has occurred and is continuing or would occur as a result of such payment on the Subordinated Debt Securities or any redemption, retirement, purchase or other acquisition of any of the Subordinated Debt Securities, permitting the holders of such Senior Indebtedness to accelerate the maturity thereof.
 
Except as described above, our obligation to make payments of the principal of, premium, if any, or interest on the Subordinated Debt Securities will not be affected.
 
By reason of the subordination in favor of the holders of Senior Indebtedness, in the event of a distribution of assets upon any dissolution, winding up, liquidation or reorganization, our creditors who are not holders of Senior Indebtedness or the Subordinated Debt Securities may recover less, proportionately, than holders of Senior Indebtedness and may recover more, proportionately, than holders of the Subordinated Debt Securities.
 
Subject to payment in full of all Senior Indebtedness, the holders of Subordinated Debt Securities will be subrogated to the rights of the holders of Senior Indebtedness to receive payments or distributions of cash, property or our securities applicable to Senior Indebtedness. Subject to payment in full of all General Obligations, the holders of the Subordinated Debt Securities will be subrogated to the rights of the creditors in respect of General Obligations to receive payments or distributions of cash, property or our securities applicable to such creditors in respect of General Obligations.


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“Senior Indebtedness” for purposes of the Subordinated Indenture is the principal of, premium, if any, and interest on:
 
  •  all of our indebtedness for money borrowed (other than (i) the Subordinated Debt Securities and (ii) the Junior Subordinated Indebtedness (as defined below)) whether outstanding on the date of execution of the Subordinated Indenture or created, assumed or incurred after that date, except such indebtedness as is by its terms expressly stated to be not superior in right of payment to the Subordinated Debt Securities or to rank equally with the Subordinated Debt Securities; and
 
  •  any deferrals, renewals or extensions of any such Senior Indebtedness.
 
The term “indebtedness for money borrowed” as used in this prospectus includes, without limitation, any obligation of, or any obligation guaranteed by us for the repayment of borrowed money, whether or not evidenced by bonds, debentures, notes or other written instruments, and any deferred obligation for the payment of the purchase price of property or assets. The Subordinated Indenture does not limit our issuance of additional Senior Indebtedness.
 
The Subordinated Debt Securities will rank senior in right of payment to our Junior Subordinated Indebtedness upon any distribution of our assets due to any dissolution, winding up, liquidation or reorganization, to the extent provided in the instruments creating our Junior Subordinated Indebtedness. “Junior Subordinated Indebtedness” is the principal of, premium, if any, and interest on:
 
  •  all of our indebtedness for money borrowed whether outstanding on the date of the execution of the Subordinated Indenture or created, assumed or incurred after that date that is by its terms subordinated to the Subordinated Debt Securities; and
 
  •  any deferrals, renewals or extensions of any of such Junior Subordinated Indebtedness.
 
Unless otherwise specified in the prospectus supplement relating to a particular series of Subordinated Debt Securities offered thereby, the term “General Obligations” means all obligations to make payment on account of claims in respect of derivative products such as interest and foreign exchange rate contracts, commodity contracts and similar arrangements, other than:
 
  •  obligations on account of Senior Indebtedness;
 
  •  obligations on account of indebtedness for money borrowed ranking equal with or subordinate to the Subordinated Debt Securities; and
 
  •  obligations which by their terms are expressly stated not to be senior in right of payment to the Subordinated Debt Securities or to rank equally with the Subordinated Debt Securities.
 
Unless otherwise specified in the prospectus supplement relating to any series of Subordinated Debt Securities, payment of principal of the Subordinated Debt Securities may be accelerated only in case of the bankruptcy, insolvency or reorganization of our company.
 
Defeasance and Covenant Defeasance.  To the extent stated in the prospectus supplement, we may elect to apply the provisions relating to defeasance and discharge of indebtedness, or to defeasance of certain restrictive covenants in the Indentures, to the Debt Securities of any series.
 
DESCRIPTION OF CAPITAL STOCK
 
General
 
The following is a summary of the rights of our common stock and preferred stock and related provisions of our certificate of incorporation and bylaws. For more detailed information, please see our certificate of incorporation and bylaws, as amended.


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Authorized and Outstanding Capital Stock
 
Our authorized capital stock consists of 150,000,000 shares of common stock, par value $.0001 per share, and 250,000 shares of preferred stock, par value $.01 per share, issuable in one or more series designated by our board of directors, of which 105,875 shares of our preferred stock have been designated as 5% Series B Cumulative Convertible Perpetual Preferred Stock (“Series B preferred stock”). On January 10, 2007, 53,169,234 shares of our common stock were issued and outstanding and 64,120 shares of our Series B preferred stock were issued and outstanding. No other shares of our preferred stock are issued and outstanding.
 
In addition, as of January 10, 2007, there were outstanding options to purchase 6,017,629 shares of our common stock under our stock options plans, 2,669,689 shares of our common stock were available for future issuance under our stock option plans, 332,837 shares of our common stock were available for future issuance under our employee stock purchase plan, and there were outstanding warrants to purchase 1,200,000 shares of our common stock. In addition, as of January 10, 2007, we were obligated, if and when the holder exercises its conversion rights, to issue approximately 207,952 shares of our common stock upon conversion of the Series 1 preferred shares. As of January 10, 2007, there were 736 holders of record of our common stock.
 
Common Stock
 
Voting Rights
 
The holders of our common stock have one vote per share. Holders of our common stock are not entitled to vote cumulatively for the election of directors. Generally, all matters to be voted on by shareholders must be approved by a majority, or, in the case of the election of directors, by a plurality, of the votes entitled to be cast at a meeting at which a quorum is present by all shares of our common stock present in person or represented by proxy, voting together as a single class, subject to any voting rights granted to holders of any then outstanding preferred stock.
 
Dividends
 
Holders of our common stock will share ratably in any dividends declared by the board of directors, subject to the preferential rights of any of our preferred stock then outstanding. Dividends consisting of shares of our common stock may be paid to holders of shares of our common stock.
 
Other Rights
 
In the event of our liquidation, dissolution or winding up, after payment of liabilities and liquidation preferences on any of our preferred stock then outstanding, the holders of shares of our common stock are entitled to share ratably in all assets available for distribution. Holders of shares of our common stock have no preemptive rights or rights to convert their shares of our common stock into any other securities. There are no redemption or sinking fund provisions applicable to the common stock.
 
Preferred Stock
 
This section describes the general terms of our preferred stock, $0.01 par value, to which any prospectus supplement may relate. Certain terms of any series of our preferred stock offered by any prospectus supplement will be described in such prospectus supplement. If so indicated in the prospectus supplement, the terms of that series may differ from the terms described below. The provisions of our preferred stock described below are not complete. You should refer to our certificate of incorporation and any certificate of amendment to our certificate of incorporation or certificate of designations filed with the SEC in connection with the offering of our preferred stock.
 
Under our certificate of incorporation, our board of directors has the authority, without further shareholder action, to issue from time to time, preferred stock in one or more series and for such consideration as may be fixed from time to time by our board of directors. Our board also has the authority to fix and determine, in the manner provided by law, the relative rights and preferences of the shares of any series so established, such as dividend and voting rights. Our certificate of incorporation authorizes 250,000 shares of preferred stock. Prior


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to the issuance of each series of preferred stock, our board will adopt resolutions creating and designating the series as a series of preferred stock. The board of directors may, without shareholder approval, issue preferred stock with voting and other rights that could adversely affect the voting power and other rights of the holders of our common stock and could have anti-takeover effects.
 
Our preferred stock will have the dividend, liquidation, redemption, voting and conversion rights set forth below unless otherwise specified in the applicable prospectus supplement. You should read the prospectus supplement relating to the particular series of preferred stock offered thereby for specific terms, including:
 
  •  the designation, stated value and liquidation preference of such preferred stock and the number of shares offered;
 
  •  the initial public offering price at which the preferred stock will be issued;
 
  •  the dividend rate or rates (or method of calculation), the dividend periods, the date on which dividends will be payable and whether such dividends will be cumulative or noncumulative and, if cumulative, the dates from which dividends will begin to cumulate;
 
  •  any redemption or sinking fund provisions;
 
  •  any conversion provisions; and
 
  •  any additional rights, preferences, privileges, qualifications, limitations and restrictions of the preferred stock.
 
Unless otherwise specified in the applicable prospectus supplement, the shares of each series of preferred stock will upon issuance rank equally in all respects with each other then outstanding series of preferred stock.
 
Preferred stock could be issued quickly with terms that could delay or prevent a change of control or make the removal of management more difficult. Additionally, the issuance of preferred stock may decrease the market price of our common stock and may adversely affect the voting and other rights of the holders of our common stock.
 
Ranking
 
Any series of our preferred stock will, with respect to dividend rights and rights on liquidation, winding up or dissolution, rank:
 
  •  senior to all classes of our common stock and to all equity securities issued by us, the terms of which specifically provide that the equity securities will rank junior to that preferred stock;
 
  •  equally with all equity securities issued by us, the terms of which specifically provide that the equity securities will rank equally with that preferred stock; and
 
  •  junior to all equity securities issued by us, the terms of which specifically provide that the equity securities will rank senior to that preferred stock.
 
Dividends
 
The holders of our preferred stock will be entitled to receive, when, as and if declared by our board of directors, dividends at such rates and on such dates as will be specified in the applicable prospectus supplement. Such rates may be fixed or variable or both. If variable, the formula used for determining the dividend rate for each dividend period will be specified in the applicable prospectus supplement. Dividends will be payable to the holders of record as they appear on our stock books on such record dates as will be fixed by our board. Dividends may be paid in the form of cash, preferred stock (of the same or a different series) or our common stock, in each case as specified in the applicable prospectus supplement.
 
Dividends on any series of our preferred stock may be cumulative or noncumulative, as specified in the applicable prospectus supplement. If the dividends on a series of our preferred stock are noncumulative (“Noncumulative Preferred Stock”), and our board of directors fails to declare a dividend payable on a


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dividend payment date, then the holders of such preferred stock will have no right to receive a dividend in respect to the dividend period relating to such dividend payment date, and we will not be obligated to pay the dividend accrued for such period, whether or not dividends on such preferred stock are declared or paid on any future dividend payment dates.
 
We will not declare or pay or set apart for payment any dividends on any series of our preferred stock that rank, as to dividends, on a parity with or junior to the outstanding preferred stock of any series unless (i) if such outstanding preferred stock has a cumulative dividend (“Cumulative Preferred Stock”), full cumulative dividends have been or contemporaneously are declared and paid or declared and a sum sufficient for the payment thereof set apart for such payment on such preferred stock for all dividend periods terminating on or prior to the date of payment of any such dividends on such other series of the preferred stock or (ii) if such outstanding preferred stock is Noncumulative Preferred Stock, full dividends for the then-current dividend period on such preferred stock have been or contemporaneously are declared and paid or declared and a sum sufficient for the payment thereof set apart for such payment.
 
Until full dividends are paid (or declared and payment is set aside) on our preferred stock ranking equal as to dividends, then:
 
  •  we will declare any dividends pro rata among the preferred stock of each series and any preferred stock ranking equal to such preferred stock as to dividends (i.e., the dividends we declare per share on each series of such preferred stock will bear the same relationship to each other that the full accrued dividends per share on each such series of the preferred stock (which will not, if such preferred stock is Noncumulative Preferred Stock, include any accumulation in respect to unpaid dividends for prior dividend periods) bear to each other);
 
  •  other than such pro rata dividends, we will not declare or pay any dividends or declare or make any distributions upon any security ranking junior to or equal with the preferred stock as to dividends or upon liquidation (except dividends on common stock payable in common stock, dividends or distributions paid for with securities ranking junior to the preferred stock as to dividends and upon liquidation and cash in lieu of fractional shares in connection with such dividends); and
 
  •  we will not redeem, purchase or otherwise acquire (or set aside money for a sinking fund for) our common stock or any other securities ranking junior to or equal with the preferred stock as to dividends or upon liquidation (except by conversion into or exchange for stock junior to the preferred stock as to dividends and upon liquidation).
 
We will not owe any interest, or any money in lieu of interest, on any dividend payment on any series of the preferred stock that may be past due.
 
Redemption
 
A series of our preferred stock may be redeemable, in whole or in part, at our option, and may be subject to mandatory redemption pursuant to a sinking fund or otherwise, in each case upon terms, at the times and at the redemption prices specified in the applicable prospectus supplement. Redeemed shares of our preferred stock will become authorized but unissued shares of preferred stock that we may issue in the future.
 
The prospectus supplement relating to a series of our preferred stock that is subject to mandatory redemption will specify the number of shares of such preferred stock that we will redeem each year and the redemption price per share. If shares of our preferred stock are redeemed, we will pay all accrued and unpaid dividends thereon (which will not, if such preferred stock is Noncumulative Preferred Stock, include any accumulation in respect of unpaid dividends for prior dividend periods) up to but excluding the date of redemption. The redemption price may be payable in cash or other property, as specified in the applicable prospectus supplement. If the redemption price for our preferred stock of any series is payable only from the net proceeds of the issuance of our capital stock, the terms of such preferred stock may provide that, if no such capital stock will have been issued or to the extent the net proceeds from any issuance are insufficient to pay in full the aggregate redemption price then due, such preferred stock will automatically and mandatorily


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be converted into shares of our applicable capital stock pursuant to conversion provisions specified in the applicable prospectus supplement.
 
If fewer than all the outstanding shares of our preferred stock of any series are to be redeemed, our board will determine the number of shares to be redeemed. We will redeem the shares pro rata from the holders of record of such shares in proportion to the number of such shares held by such holders (with adjustments to avoid redemption of fractional shares) or by lot or by any other method as may be determined by our board.
 
Even though the terms of a series of the Cumulative Preferred Stock may permit redemption of such preferred stock in whole or in part, if any dividends, including accumulated dividends, on that series are past due:
 
  •  we will not redeem any preferred stock of that series unless we simultaneously redeem all outstanding preferred stock of that series; and
 
  •  we will not purchase or otherwise acquire any preferred stock of that series.
 
The prohibition discussed in the preceding sentence will not prohibit us from purchasing or acquiring preferred stock of that series pursuant to a purchase or exchange offer if we make the offer on the same terms to all holders of that series.
 
Conversion Rights
 
The prospectus supplement relating to a series of convertible preferred stock will describe the terms on which shares of such series are convertible into our common stock.
 
Rights Upon Liquidation
 
Unless the applicable prospectus supplement states otherwise, if we voluntarily or involuntarily liquidate, dissolve or wind up our business, the holders of our preferred stock will be entitled to receive out of our assets available for distribution to stockholders, before any distribution of assets is made to holders of our common stock or any other class or series of shares ranking junior to such preferred stock upon liquidation, liquidating distributions in the amount of the liquidation preference of such preferred stock plus accrued and unpaid dividends (which will not, if such preferred stock is Noncumulative Preferred Stock, include any accumulation in respect of unpaid dividends for prior dividend periods). If we voluntarily or involuntarily liquidate, dissolve or wind up our business and the amounts payable with respect to our preferred stock of any series and any of our other securities ranking equal as to any such distribution are not paid in full, the holders of such preferred stock and of such other shares will share ratably in any such distribution of our assets in proportion to the full respective preferential amounts to which they are entitled. After payment of the full amount of the liquidating distribution to which they are entitled, the holders of our preferred stock of any series will not be entitled to any further participation in any distribution of our assets.
 
Voting Rights
 
Except as described in this section or in the applicable prospectus supplement, or except as expressly required by applicable law, the holders of our preferred stock will not be entitled to vote. If the holders of a series of our preferred stock are entitled to vote and the applicable prospectus supplement does not state otherwise, each such share will be entitled to one vote on matters on which holders of such series of preferred stock are entitled to vote. For any series of our preferred stock having one vote per share, the voting power of such series, on matters on which holders of such series and holders of other series of our preferred stock are entitled to vote as a single class, will depend on the number of shares in such series, not the aggregate stated value, liquidation preference or initial offering price of the shares of such series of preferred stock.
 
Unless we receive the consent of the holders of an outstanding series of preferred stock and the outstanding shares of all other series of preferred stock which (i) rank equal with such series either as to


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dividends or the distribution of assets upon liquidation, dissolution or winding up of our business and (ii) have voting rights that are exercisable and that are similar to those of such series, we will not:
 
  •  authorize, create or issue, or increase the authorized or issued amount of, any class or series of stock ranking prior to such outstanding preferred stock with respect to payment of dividends or the distribution of assets upon liquidation, dissolution or winding up of our business; or
 
  •  amend, alter or repeal, whether by merger, consolidation or otherwise, the provisions of our certificate or of the resolutions contained in any certificate of designations creating such series of preferred stock so as to materially and adversely affect any right, preference privilege or voting power of such outstanding preferred stock.
 
This consent must be given by the holders of a majority of all such outstanding preferred stock described in the preceding sentence, voting together as a single class. We will not be required to obtain this consent with respect to the actions listed in the second bullet point above, however, if we only (i) increase the amount of the authorized preferred stock, (ii) create and issue another series of preferred stock, or (iii) increase the amount of authorized shares of any series of preferred stock, if such preferred stock in each case ranks equal with or junior to the preferred stock with respect to the payment of dividends and the distribution of assets upon liquidation, dissolution or winding up of our business.
 
Series 1 Preferred Shares
 
On August 4, 2003, we entered into a combination agreement with Global Thermoelectric Inc. (“Global”) to combine Global with us in a share-for-share exchange pursuant to a Plan of Arrangement subject to approval by the Court of Queen’s Bench of Alberta, Canada. On October 31, 2003, our shareholders and the shareholders of Global approved the combination. On October 31, 2003, the Court of Queen’s Bench of Alberta issued an order approving the combination. On November 3, 2003, the combination transaction was consummated. In the aggregate, we issued approximately 8.2 million shares of our common stock and exchangeable shares in the acquisition. Following our acquisition of Global, Global’s Series 2 preferred shares remained outstanding in Global. At the time of the sale of our thermoelectric generator business, the holder of the Series 2 preferred shares exchanged them for Series 1 Class A cumulative redeemable exchangeable preferred shares (which were referred to as the Series 1 preferred shares) issued by FuelCell Energy, Ltd., one of our indirect, wholly-owned subsidiaries. We have guaranteed the obligations of FuelCell Energy, Ltd. under the Series 1 preferred shares.
 
The Series 1 preferred shares may be converted into shares of our common stock at the following conversion prices:
 
  •  Cdn.$120.22 per share of our common stock until July 31, 2010;
 
  •  Cdn.$129.46 per share of our common stock after July 31, 2010 until July 31, 2015;
 
  •  Cdn.$138.71 per share of our common stock after July 31, 2015 until July 31, 2020; and
 
  •  at any time after July 31, 2020, the price equal to 95% of the then current market price (converted to Cdn.$ at the time of such calculation) of shares of our common stock at the time of conversion.
 
The foregoing conversion prices are subject to adjustment for certain subsequent events. As illustrated below, the number of shares of our common stock issuable upon conversion of the Series 1 preferred shares after July 31, 2020 may be significantly greater than the number of shares issuable prior to that time.
 
The following examples illustrate the number of shares of our common stock that we will be required to issue to the holder(s) of the Series 1 preferred shares if and when the holder(s) exercise their conversion rights pursuant to the terms of the Series 1 preferred shares. The following examples are based upon Cdn.$25.0 million of Series 1 preferred shares outstanding (which is the amount currently outstanding) and assume that all accrued dividends on the Series 1 preferred shares have been paid through the time of the conversion and, in


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the case of conversions occurring after July 31, 2020, that the exchange rate for Canadian dollars is Cdn.$1.1758 to U.S.$1.00 (exchange rate on January 10, 2007) at the time of the conversion:
 
  •  if the Series 1 preferred shares convert prior to July 31, 2010, we would be required to issue approximately 207,952 shares of our common stock;
 
  •  if the Series 1 preferred shares convert after July 31, 2010, but prior to July 31, 2015, we would be required to issue approximately 193,110 shares of our common stock;
 
  •  if the Series 1 preferred shares convert after July 31, 2015, but prior to July 31, 2020, we would be required to issue approximately 180,232 shares of our common stock; and
 
  •  if the Series 1 preferred shares convert any time after July 31, 2020, assuming our common stock price is U.S. $6.22 (our common stock closing price on January 10, 2007) at the time of conversion, we would be required to issue approximately 3,598,260 shares of our common stock.
 
Subject to the Business Corporations Act (Alberta), the holder of the Series 1 preferred shares is not entitled to receive notice of or to attend or vote at any meeting of the FuelCell Energy, Ltd. Common shareholders. At present, we own all of the FuelCell Energy, Ltd. common stock.
 
Quarterly dividends of Cdn.$312,500 accrue on the Series 1 preferred shares (subject to possible reduction pursuant to the terms of the Series 1 preferred shares on account of increases in the price of our common stock). We have agreed to pay a minimum of Cdn.$500,000 in cash or common stock annually to Enbridge, the sole current holder of the Series 1 preferred shares, as long as Enbridge holds the shares. Interest accrues on cumulative unpaid dividends at a 2.45% quarterly rate, compounded quarterly, until payment thereof. All cumulative unpaid dividends must be paid by December 31, 2010. Subsequent to 2010, FuelCell Energy, Ltd. would be required to pay annual dividend amounts totaling Cdn.$1.25 million so long as the Series 1 preferred shares remain outstanding. Cumulative unpaid dividends of $5.3 million on the Series 1 preferred shares were outstanding as of October 31, 2006. We have guaranteed the dividend obligations of FuelCell Energy, Ltd. to the Series 1 preferred shareholders.
 
Subject to the Business Corporations Act (Alberta), we may redeem the Series 1 preferred shares, in whole or part, at any time, if on the day that the notice of redemption is first given, the volume-weighted average price at which our common stock is traded on the applicable stock exchange during the 20 consecutive trading days ending on a date not earlier than the fifth preceding day on which the notice of redemption is given was not less than a 20% premium to the current conversion price on payment of Cdn.$25.00 per Series 1 preferred share to be redeemed, together with an amount equal to all accrued and unpaid dividends to the date fixed for redemption. On or after July 31, 2010, the Series 1 preferred shares are redeemable by us at any time on payment of Cdn.$25.00 per Series 1 preferred share to be redeemed together with an amount equal to all accrued and unpaid dividends to the date fixed for redemption. Holders of the Series 1 preferred shares do not have any mandatory or conditional redemption rights. There are currently 1,000,000 Series 1 preferred shares outstanding.
 
In the event of the liquidation, dissolution or winding up of FuelCell Energy, Ltd., whether voluntary or involuntary, or any other distribution of its assets among its shareholders for the purpose of winding up its affairs, the holder of the Series 1 preferred shares will be entitled to receive the amount paid on such Series 1 preferred shares (currently Cdn.$25.0 million) together with an amount equal to all accrued and unpaid dividends thereon, before any amount will be paid or any of FuelCell Energy, Ltd.’s property or assets will be distributed to the holders of FuelCell Energy, Ltd.’s common stock. After payment to the holder of the Series 1 preferred shares of the amounts payable to them, the holder of the Series 1 preferred shares will not be entitled to share in any other distribution of FuelCell Energy, Ltd.’s property or assets. We have guaranteed the liquidation obligations of FuelCell Energy, Ltd. under the Series 1 preferred shares.
 
Series B Preferred Stock
 
On November 11, 2004, we entered into a purchase agreement with Citigroup Global Markets Inc., RBC Capital Markets Corporation, Adams Harkness, Inc., and Lazard Freres & Co., LLC (the “Initial Purchasers”)


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for the private placement under Rule 144A of up to 135,000 shares of our 5% Series B Cumulative Convertible Perpetual Preferred Stock (Liquidation Preference $1,000). On November 17, 2004 and January 25, 2005, we closed on the sale of 100,000 shares and 5,875 shares, respectively, of Series B preferred stock to the Initial Purchasers.
 
At October 31, 2006 and 2005, there were 250,000 preferred shares authorized of which 64,120 and 105,875 Series B preferred shares were issued and outstanding, respectively. The carrying value of the Series B preferred stock as of October 31, 2006 and 2005 represents the net proceeds to us of approximately $60.0 million and $99.0 million, respectively. During fiscal 2006, we converted 41,755 shares of Series B preferred stock into 3,553,615 shares of our common stock. The conversion occurred pursuant to the terms of the Certificate of Designation for the Series B preferred stock, whereby upon conversion, the holders received 85.1064 shares of our common stock per share of Series B preferred stock. In addition, pursuant to this conversion, we paid a conversion premium of $4.3 million.
 
The following is a summary of certain provisions of our Series B preferred stock. The resale of the shares of our Series B preferred stock and the resale of the shares of our common stock issuable upon conversion of the shares of our Series B preferred stock are covered by a registration rights agreement.
 
Ranking
 
Shares of our Series B preferred stock rank with respect to dividend rights and rights upon our liquidation, winding up or dissolution:
 
  •  senior to shares of our common stock;
 
  •  junior to our debt obligations; and
 
  •  effectively junior to our subsidiaries’ (i) existing and future liabilities and (ii) capital stock held by others.
 
Dividends
 
The Series B preferred stock pays cumulative annual dividends of $50 per share which are payable quarterly in arrears on February 15, May 15, August 15 and November 15, which commenced on February 15, 2005, when, as and if declared by the board of directors. Dividends will be paid on the basis of a 360-day year consisting of twelve 30-day months. Dividends on the shares of our Series B preferred stock will accumulate and be cumulative from the date of original issuance. Accumulated dividends on the shares of our Series B preferred stock will not bear any interest.
 
The dividend rate on the Series B preferred stock is subject to upward adjustment as set forth in the certificate of designation of the Series B preferred stock if we fail to pay, or to set apart funds to pay, dividends on the shares of our Series B preferred stock for any quarterly dividend period. The dividend rate on the Series B preferred stock is also subject to upward adjustment as set forth in the registration rights agreement entered into with the Initial Purchasers if we fail to satisfy our registration obligations with respect to the Series B preferred stock (or the underlying common shares) set forth in the registration rights agreement.
 
No dividends or other distributions may be paid or set apart for payment upon our common shares (other than a dividend payable solely in shares of a like or junior ranking) unless all accumulated and unpaid dividends have been paid or funds or shares of common stock therefore have been set apart on our Series B preferred stock.
 
We may pay dividends on the Series B preferred stock:
 
  •  in cash; or
 
  •  at the option of the holder, in shares of our common stock, which will be registered pursuant to a registration statement to allow for the immediate sale of these common shares in the public market.


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Liquidation
 
The Series B preferred stock has a liquidation preference of $1,000 per share. Upon any voluntary or involuntary liquidation, dissolution or winding up of FuelCell resulting in a distribution of assets to the holders of any class or series of our capital stock, each holder of shares of our Series B preferred stock will be entitled to payment out of our assets available for distribution of an amount equal to the liquidation preference per share of Series B preferred stock held by that holder, plus all accumulated and unpaid dividends on those shares to the date of that liquidation, dissolution, or winding up, before any distribution is made on any junior shares, including shares of our common stock, but after any distributions on any of our indebtedness or senior shares (if any). After payment in full of the liquidation preference and all accumulated and unpaid dividends to which holders of shares of our Series B preferred stock are entitled, holders of shares of our Series B preferred stock will not be entitled to any further participation in any distribution of our assets.
 
Conversion
 
A share of our Series B preferred stock may be converted at any time, at the option of the holder, into 85.1064 shares of our common stock (which is equivalent to an initial conversion price of $11.75 per share) plus cash in lieu of fractional shares. The conversion rate is subject to adjustment upon the occurrence of certain events, as described below, but will not be adjusted for accumulated and unpaid dividends. Upon conversion, holders of Series B preferred stock will not receive a cash payment for any accumulated dividends. Instead accumulated dividends, if any, will be cancelled.
 
On or after November 20, 2009 we may, at our option, cause shares of our Series B preferred stock to be automatically converted into that number of shares of our common stock that are issuable at the then prevailing conversion rate. We may exercise our conversion right only if the closing price of our common stock exceeds 150% of the then prevailing conversion price for 20 trading days during any consecutive 30 trading day period, as described in the certificate of designation for the Series B preferred stock.
 
If holders of shares of our Series B preferred stock elect to convert their shares in connection with certain fundamental changes (as described below and in the certificate of designation), we will in certain circumstances discussed below increase the conversion rate by a number of additional shares of common stock upon conversion or, in lieu thereof, we may in certain circumstances elect to adjust the conversion rate and related conversion obligation so that shares of our Series B preferred stock are converted into shares of the acquiring or surviving company, in each case as described in the certificate of designation.
 
The adjustment of the conversion price of the Series B preferred stock is to prevent dilution of the interests of the holders of the Series B preferred stock, including on account of the following:
 
  •  Issuances of common stock as a dividend or distribution to holders of our common stock;
 
  •  Common stock share splits or share combinations;
 
  •  Issuances to holders of our common stock of any rights, warrants or options to purchase our common stock for a period of less than 60 days; and
 
  •  Distributions of assets, evidences of indebtedness or other property to holders of our common stock.
 
Shares of our Series B preferred stock will not be redeemable by us, except in the case of a fundamental change (as described below and in the certificate of designation) whereby holders may require us to purchase all or part of their shares at a redemption price equal to 100% of the liquidation preference of the shares of Series B preferred stock to be repurchased, plus accrued and unpaid dividends, if any. We may, at our option, elect to pay the redemption price in cash or, in shares of our common stock valued at a discount of 5% from the market price of shares of our common stock, or any combination thereof. Notwithstanding the foregoing, we may only pay such redemption price in shares of our common stock that are registered under the Securities Act of 1933 and eligible for immediate sale in the public market by non-affiliates of FuelCell.


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Redemption by holders of the Series B preferred stock can only occur upon a fundamental change, which we do not consider to be probable at this time. Accordingly, future adjustments of the redemption price will only be made if and when a fundamental change is considered probable.
 
A “fundamental change” will be deemed to have occurred if any of the following occurs:
 
(1) any “person” or “group” is or becomes the beneficial owner, directly or indirectly, of 50% or more of the total voting power of all classes of our capital stock then outstanding and normally entitled to vote in the election of directors;
 
(2) during any period of two consecutive years, individuals who at the beginning of such period constituted the Board of Directors (together with any new directors whose election by our Board of Directors or whose nomination for election by our shareholders was approved by a vote of two-thirds of our directors then still in office who were either directors at the beginning of such period or whose election of nomination for election was previously so approved) cease for any reason to constitute a majority of our directors then in office;
 
(3) the termination of trading of our common stock on the Nasdaq Stock Market and such shares are not approved for trading or quoted on any other U.S. securities exchange; or
 
(4) we consolidate with or merge with or into another person or another person merges with or into us or the sale, assignment, transfer, lease, conveyance or other disposition of all or substantially all of our assets and certain of our subsidiaries, taken as a whole, to another person and, in the case of any such merger or consolidation, our securities that are outstanding immediately prior to such transaction and which represent 100% of the aggregate voting power of our voting stock are changed into or exchanged for cash, securities or property, unless pursuant to the transaction such securities are changed into securities of the surviving person that represent, immediately after such transaction, at least a majority of the aggregate voting power of the voting stock of the surviving person.
 
Notwithstanding the foregoing, holders of shares of Series B preferred stock will not have the right to require us to repurchase their shares if either:
 
  •  the last reported sale price of shares of our common stock for any five trading days within the 10 consecutive trading days ending immediately before the later of the fundamental change or its announcement equaled or exceeded 105% of the conversion price of the shares of Series B preferred stock immediately before the fundamental change or announcement;
 
  •  at least 90% of the consideration, excluding cash payments for fractional shares and in respect of dissenters’ appraisal rights, in the transaction constituting the fundamental change consists of shares of capital stock traded on a U.S. national securities exchange or which will be so traded or quoted when issued or exchanged in connection with a fundamental change and as a result of the transaction, shares of Series B preferred stock become convertible into such publicly traded securities; or
 
  •  in the case of number 4 above of a fundamental change event, the transaction is effected solely to change our jurisdiction of incorporation.
 
Voting
 
Holders of shares of our Series B preferred stock have no voting rights unless (1) dividends on any shares of our Series B preferred stock or any other class or series of stock ranking on a parity with the shares of our Series B preferred stock with respect to the payment of dividends shall be in arrears for dividend periods, whether or not consecutive, containing in the aggregate a number of days equivalent to six calendar quarters or (2) we fail to pay the repurchase price, plus accrued and unpaid dividends, if any, on the fundamental change repurchase date for shares of our Series B preferred stock following a fundamental change (as described in the certificate of designation for the Series B preferred stock). In each such case, the holders of shares of our Series B preferred stock (voting separately as a class with all other series of other preferred stock on parity with our Series B preferred stock upon which like voting rights have been conferred and are exercisable, if any) will be entitled to vote for the election of two directors in addition to those directors on


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the board of directors at such time at the next annual meeting of shareholders and each subsequent meeting until the repurchase price or all dividends accumulated on the shares of our Series B preferred stock have been fully paid or set aside for payment. The term of office of all directors elected by the holders of shares of our Series B preferred stock will terminate immediately upon the termination of the right of holders of shares of our Series B preferred stock to vote for directors.
 
So long as any shares of our Series B preferred stock remain outstanding, we will not, without the consent of the holders of at least two-thirds of the shares of our Series B preferred stock outstanding at the time (voting separately as a class with all other series of preferred stock, if any, on parity with our Series B preferred stock upon which like voting rights have been conferred and are exercisable) issue or increase the authorized amount of any class or series of shares ranking senior to the outstanding shares of our Series B preferred stock as to dividends or upon liquidation. In addition, we will not, subject to certain conditions, amend, alter or repeal provisions of our certificate of incorporation, including the certificate of designation relating to our Series B preferred stock, whether by merger, consolidation or otherwise, so as to adversely amend, alter or affect any power, preference or special right of the outstanding shares of our Series B preferred stock or the holders thereof without the affirmative vote of not less than two-thirds of the issued and outstanding shares of our Series B preferred stock.
 
Anti-Takeover Provisions
 
Provisions of our Certificate of Incorporation and By-Laws
 
A number of provisions of our certificate of incorporation and by-laws concern matters of corporate governance and the rights of shareholders. Some of these provisions, including, but not limited to, the inability of shareholders to take action by unanimous written consent, supermajority voting provisions with respect to any amendment of voting rights provisions, the filling of vacancies on the board of directors by the affirmative vote of a majority of the remaining directors, and the ability of the board of directors to issue shares of preferred stock and to set the voting rights, preferences and other terms thereof, without further shareholder action, may be deemed to have anti-takeover effect and may discourage takeover attempts not first approved by the board of directors, including takeovers which shareholders may deem to be in their best interests. If takeover attempts are discouraged, temporary fluctuations in the market price of shares of our common stock, which may result from actual or rumored takeover attempts, may be inhibited. These provisions, together with the ability of the board of directors to issue preferred stock without further shareholder action, could also delay or frustrate the removal of incumbent directors or the assumption of control by shareholders, even if the removal or assumption would be beneficial to our shareholders. These provisions could also discourage or inhibit a merger, tender offer or proxy contest, even if favorable to the interests of shareholders, and could depress the market price of our common stock. The board of directors believes these provisions are appropriate to protect our interests and the interests of our shareholders. The board of directors has no present plans to adopt any further measures or devices which may be deemed to have an “anti-takeover effect.”
 
Delaware Anti-Takeover Provisions
 
We are subject to Section 203 of the Delaware General Corporation Law, which prohibits a publicly-held Delaware corporation from engaging in a “business combination,” except under certain circumstances, with an “interested shareholder” for a period of three years following the date such person became an “interested shareholder” unless:
 
  •  before such person became an interested shareholder, the board of directors of the corporation approved either the business combination or the transaction that resulted in the interested shareholder becoming an interested shareholder;
 
  •  upon the consummation of the transaction that resulted in the interested shareholder becoming an interested shareholder, the interested shareholder owned at least 85 percent of the voting stock of the corporation outstanding at the time the transaction commenced, excluding shares held by directors who are also officers of the corporation and shares held by employee stock plans in which employee


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  participants do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer; or
 
  •  at or following the time such person became an interested shareholder, the business combination is approved by the board of directors of the corporation and authorized at an annual or special meeting of shareholders (and not by written consent) by the affirmative vote of the holders of at least 662/3 percent of the outstanding voting stock of the corporation which is not owned by the interested shareholder.
 
The term “interested shareholder” generally is defined as a person who, together with affiliates and associates, owns, or, within the three years prior to the determination of interested shareholder status, owned, 15 percent or more of a corporation’s outstanding voting stock. The term “business combination” includes mergers, asset or stock sales and other similar transactions resulting in a financial benefit to an interested shareholder. Section 203 makes it more difficult for an “interested shareholder” to effect various business combinations with a corporation for a three-year period. The existence of this provision would be expected to have an anti-takeover effect with respect to transactions not approved in advance by the board of directors, including discouraging attempts that might result in a premium over the market price for the shares of our common stock held by shareholders. A Delaware corporation may “opt out” of Section 203 with an express provision in its original certificate of incorporation or any amendment thereto. Our certificate of incorporation does not contain any such exclusion.
 
Listing on the Nasdaq Global Market
 
Our common stock is listed on the Nasdaq Global Market under the symbol “FCEL”.
 
Transfer Agent and Registrar
 
The transfer agent and registrar for our common stock and preferred stock is Continental Stock Transfer & Trust Company, New York, New York.
 
PLAN OF DISTRIBUTION
 
We may sell the securities from time to time pursuant to underwritten public offerings, negotiated transactions, block trades or a combination of these methods. We may sell the securities (1) through underwriters or dealers, (2) through agents and/or (3) directly to one or more purchasers. We may distribute the securities from time to time in one or more transactions:
 
  •  at a fixed price or prices, which may be changed;
 
  •  at market prices prevailing at the time of sale;
 
  •  at prices related to such prevailing market prices; or
 
  •  at negotiated prices.
 
We may solicit directly offers to purchase the securities being offered by this prospectus. We may also designate agents to solicit offers to purchase the securities from time to time. We will name in a prospectus supplement any agent involved in the offer or sale of our securities.
 
If we utilize a dealer in the sale of the securities being offered by this prospectus, we will sell the securities to the dealer, as principal. The dealer may then resell the securities to the public at varying prices to be determined by the dealer at the time of resale.
 
If underwriters are used in the sale of any the securities, the securities will be acquired by the underwriters for their own account and may be resold from time to time in one or more transactions, including negotiated transactions, at a fixed public offering price or at varying prices determined at the time of sale. The securities may be either offered to the public through underwriting syndicates represented by managing underwriters, or directly by underwriters. Generally, the underwriters’ obligations to purchase the securities


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will be subject to certain conditions precedent. The underwriters will be obligated to purchase all of the securities if they purchase any of the securities.
 
We may sell the securities through agents from time to time. The applicable prospectus supplement will name any agent involved in the offer or sale of the securities and any commissions paid to them. Generally, any agent will be acting on a best efforts basis for the period of its appointment. In addition, we may enter into derivative, sale or forward sale transactions with third parties, or sell securities not covered by this prospectus to third parties in privately negotiated transactions. If the applicable prospectus supplement indicates, in connection with such transaction, the third parties may, pursuant to this prospectus and the applicable prospectus supplement, sell the securities covered by this prospectus and the applicable prospectus supplement, including in short sale transactions. If so, the third party may use securities borrowed from us or others to settle such sales and may use securities received from us or others to settle those sales to close out any related short positions. The third party in such sale transactions will be an underwriter and will be identified in the applicable prospectus supplement (or a post-effective amendment). We may also loan or pledge the securities covered by this prospectus and the applicable prospectus supplement to third parties, who may sell the loaned securities or, in an event of default in the case of a pledge, sell the pledged securities pursuant to this prospectus and the applicable prospectus supplement.
 
The Underwriters, broker-dealers and agents that participate in the distribution of the securities may be deemed to be “underwriters” as defined by the Securities Act. Any commissions paid or any discounts or concessions allowed to any such persons, and any profits they receive on resale of the securities, may be deemed to be underwriting discounts and commissions under the Securities Act.
 
Agents, underwriters, and dealers may be entitled under relevant agreements with us to indemnification by us against certain liabilities, including liabilities under the Securities Act, or to contribution with respect to payments which such agents, underwriters and dealers may be required to make in respect thereof. The terms and conditions of any indemnification or contribution will be described in the applicable prospectus supplement.
 
Underwriters, broker-dealers or agents may receive compensation in the form of commissions, discounts or concessions from us. Underwriters, broker-dealers or agents may also receive compensation from the purchasers of the securities for whom they act as agents or to whom they sell as principals, or both. Compensation as to a particular underwriter, broker-dealer or agent might be in excess of customary commissions and will be in amounts to be negotiated in connection with transactions involving the securities. In effecting sales, broker-dealers engaged by us may arrange for other broker-dealers to participate in the resales. Maximum compensation to any underwriters, dealers or agents will not exceed any applicable NASD limitations.
 
Underwriters or agents may purchase and sell the securities in the open market. These transactions may include over-allotments, stabilizing transactions, syndicate covering transactions and penalty bids. Over-allotments involve sales in excess of the offering size, which creates a short position. Stabilizing transactions consist of bids or purchases for the purpose of preventing or retarding a decline in the market price of the securities and are permitted so long as the stabilizing bids do not exceed a specified maximum. Syndicate covering transactions involve the placing of any bid on behalf of the underwriting syndicate or the effecting of any purchase to reduce a short position created in connection with an offering. The underwriters or agents also may impose a penalty bid, which permits them to reclaim selling concessions allowed to syndicate members or certain dealers if they repurchase the securities in stabilizing or covering transactions. These activities may stabilize, maintain or otherwise affect the market price of the securities, which may be higher than the price that might otherwise prevail in the open market. These activities, if begun, may be discontinued at any time. These transactions may be effected on any exchange on which the securities are traded, in the over-the-counter market or otherwise.
 
Except as indicated in the applicable prospectus supplement, the securities are not expected to be listed on any securities exchange, except for our common stock, which is quoted on the Nasdaq Global Market under the symbol “FCEL”, and no underwriters will be obligated to make a market in these securities. We cannot predict the activity or liquidity of any trading in these securities.


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DISCLOSURE OF COMMISSION POSITION ON INDEMNIFICATION
FOR SECURITIES ACT LIABILITIES
 
Our certificate of incorporation provides that none of our directors will be personally liable to us or our shareholders for monetary damages for breach of fiduciary duty as a director, except to the extent such exemption from liability or limitation thereof is not permitted under the Delaware General Corporation Law. Our by-laws provide for indemnification of our officers and directors to the fullest extent permitted by applicable law. Insofar as indemnification for liabilities under the Securities Act of 1933 may be permitted to directors, officers or controlling persons of FuelCell pursuant to the Certificate of Incorporation, Bylaws or applicable law, or otherwise, we have been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act of 1933 and is therefore unenforceable.
 
LEGAL MATTERS
 
The validity of the securities offered hereby has been passed upon for us by Robinson & Cole LLP, Stamford, Connecticut.
 
EXPERTS
 
Our consolidated financial statements as of October 31, 2006 and 2005, and for each of the three years in the period ended October 31, 2006, incorporated by reference in this prospectus and in the registration statement of which this prospectus is a part, from our Annual Report on Form 10-K for the year ended October 31, 2006, have been audited by KPMG LLP, independent registered public accounting firm, as stated in their report, and have been so incorporated in reliance upon the report given on their authority as experts in accounting and auditing. The audit report covering the October 31, 2006 consolidated financial statements refers to a change in the method of accounting for share-based payments.


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WHERE YOU CAN FIND MORE INFORMATION
 
We have filed with the Securities and Exchange Commission (SEC) a registration statement on Form S-3 under the Securities Act with respect to our securities offered hereby. This prospectus, which constitutes a part of the registration statement, does not contain all of the information set forth in the registration statement or the exhibits and schedules filed therewith. We have omitted certain parts of the registration statement as permitted by the rules and regulations of the SEC. For further information about us and our securities offered hereby, reference is made to the registration statement and the exhibits and schedules filed therewith. Statements contained in this prospectus regarding the contents of any contract or any other document that is filed as an exhibit to the registration statement are not necessarily complete, and each such statement is qualified in all respects by reference to the full text of such contract or other document filed as an exhibit to the registration statement. A copy of the registration statement and the exhibits and schedules filed therewith may be inspected without charge at the public reference room maintained by the SEC, located at 100 F Street, N.E., Washington, D.C. 20549, and copies of all or any part of the registration statement may be obtained from such offices upon the payment of the fees prescribed by the SEC. Please call the SEC at 1-800-SEC-0330 for further information about the public reference room. The SEC also maintains an Internet web site that contains reports, proxy and information statements and other information regarding registrants that file electronically with the SEC. The address of the site is http://www.sec.gov.
 
We are subject to the informational requirements of the Securities Exchange Act of 1934 and, therefore, we file annual, quarterly and current reports, proxy statements and other information with the SEC. Such periodic reports, proxy statements and other information are available for inspection and copying at the public reference room and web site of the SEC referred to above. Our common stock is quoted on the Nasdaq Global Market, and you may also inspect and copy our SEC filings at the offices of the National Association of Securities Dealers, Inc. located at 1735 K Street, N.W., Washington, D.C. 20006.
 
You should rely only on the information provided in this prospectus and the registration statement. We have not authorized anyone else to provide you with different information. Our securities are not being offered in any state where the offer is not permitted. You should assume that the information in this prospectus is accurate only as of the dates of those documents. Our business, financial condition, results of operations and prospects may have changed since those dates.
 
INCORPORATION BY REFERENCE
 
The Securities and Exchange Commission (SEC) allows us to “incorporate by reference” information that we file with it, which means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this prospectus. Information in this prospectus supersedes information incorporated by reference that we filed with the SEC prior to the date of this prospectus, while information that we file later with the SEC will automatically update and supersede this information. We incorporate by reference into this registration statement and prospectus the documents listed below, and any future filings we will make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934:
 
  1.  Our Annual Report on Form 10-K for the fiscal year ended October 31, 2006;
 
  2.  Our Proxy for our shareholders’ meeting on March 28, 2006, filed on February 17, 2006;
 
  3.  Our Current Reports on Form 8-K filed December 19, 2006 and January 16, 2007; and
 
  4.  The description of our common stock set forth in our registration statement on Form 8-A, filed with the SEC on June 6, 2000, including any amendments or reports filed for the purposes of updating this description.
 
We will furnish without charge to you, on written or oral request, a copy of any or all of the documents incorporated by reference, including exhibits to these documents. You should direct any requests for documents to FuelCell Energy, Inc., Attention: Corporate Secretary, 3 Great Pasture Road, Danbury, Connecticut 06813, telephone: (203) 825-6000.


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(FUELCELL ENERGY LOGO)