CBIA Next Generation Manufacturing “Green” Technologies May 20, 2005

FuelCell Energy Connecticut Operations Torrington - Technology Manufacturing Stack Production Module Assembly 65,000 ft² facility Opened in 2001 Danbury – Corporate, Engineering and R&D Research Labs Design Center Operations and Service Support Conditioning and Testing

Core Products – 250kW-10MW Product Characteristics  High temperature, high efficiency, carbonate fuel cell power plants for base load commercial and industrial applications  High value waste heat by-product for cogeneration  Internally generated hydrogen from readily available fuels such as natural gas –operating at customer sites today  Certifications for product safety, interconnection, performance and installation DFC ® 300A DFC ® 1500 DFC ® 3000 Multi-MW Grid Support

Green Technology - Made in Torrington Standard Cell Packages Reformer Package Oxidant Fuel Partially Reformed Fuel

A Family of Power Plant Products All power plant products are based upon a scalable use of the core stack engineered and manufactured in Connecticut. Stack Fuel Cell Sub-MW Power Plant Sub-MW Module MW Module MW Power Plant

Future Products – Expanding the Connecticut know how DFC/T MW Grid support Marine/Diesel Ship service, islands DFC/H 2 Hydrogen generation SOFC Multiple units, <100 kW The core technology provides a platform for a diverse product mix of green energy technologies

Manufacturing in Torrington Manufacturing Processes Tape Casting Sintering Lamination Readily Available Materials Stainless Steel Nickel Ceramic Powders Carbonates (common minerals) High Value Employment Skilled Manufacturing Electrochemical Research Mechanical, Chemical and Electrical Engineering Service Technicians

Green Technology Why are Fuel Cells Clean and Green?

Unmatched Emissions Performance of DFC Power Plants Average US fossil fuel plan t Combined cycle gas turbine Microturbine Fuel cell (Pounds of emissions per 1000 kWh NOx, CO, SOx, Hydrocarbon, Particulates) Source: NETL(

Meaningful Emissions Reduction… 100 MW Fuel Cells vs New England’s Average Fossil Plant NE Avg Fuel Cell % NE Avg Fuel Cell - 55% NE Avg Fuel Cell % Average emissions from New England fossil fueled plants Source: US EPA Reduction of 1,240 Tons per year of NOX Reduction of 3,250 Tons per year of SO2 Reduction of 387,000 Tons per year of CO2

Forward Thinking Companies – Green Manufacturing Pepperidge Farms –Bloomfield 250 kW installation Combined Heat and Power Enhance State of the Art Baking Facility Sierra Nevada Brewery – Chico CA 1000 kW installation Combined Heat and power Reliability Part of manufacturing expansion plan to create renewable fuel

Manufacturing Applications IZAR (MTU) Michelin (MTU) Epson (Marubeni) JapEx (Marubeni) Kawasaki (Marubeni)

Summary Points We are an established Connecticut technology company. We are providing the green technology of the future….. Today. We provide the kinds of manufacturing, research and technical jobs envied by all states.