Fuelcell Energy, Inc. is an integrated fuel cell company. The Company is engaged in manufacturing fuel cell technology platforms for power generation. The Company offers various fuel cell products, which are used for multi-megawatt utility applications, microgrid applications, distributed hydrogen or use of the platform's thermal attributes for on-site heat and chilling applications for a broad range of applications. The Company's products include SureSource 1500, SureSource 3000, SureSource 4000, SureSource 250 (Europe only), SureSource 400 (Europe only) and SureSource Hydrogen. The Company's Carbonate Fuel Cell technology generates electricity directly from a hydrogen-rich fuel, such as natural gas or renewable Biogas, by reforming the fuel inside the fuel cell to produce the needed hydrogen. The Company's products and solutions are offered to businesses, utilities, governments, and municipalities. Its geographic markets are currently the United States and South Korea.