FuelCell Energy is a company that manufactures and sells stationary fuel cell energy platforms that decarbonize power and produce hydrogen. It offers SureSource product line based on carbonate fuel cell technology in various configurations, including on-site power, utility grid support, distributed hydrogen, and micro-grid, as well as multi-megawatt applications. In addition, the company provides turn-key solutions, including development, engineering, procurement, construction, interconnection, and operation services.