FuelCell Energy, Inc. is a global leader in the development and commercialization of stationary fuel cell power plants for distributed baseload power generation. The company's core technology is based on high-temperature carbonate fuel cells and solid oxide electrolysis platforms, which are marketed under the SureSource brand. These systems provide clean, continuous electricity, heat, hydrogen, and water, while also offering carbon capture and long-duration energy storage capabilities. FuelCell Energy's business model spans the entire project lifecycle, generating revenue through four main segments: Product sales (manufacturing and selling fuel cell platforms), Service agreements (long-term maintenance and operation of installed plants), Generation (operating as an independent power producer and selling electricity under long-term power purchase agreements), and Advanced Technologies (research and development contracts, often with government agencies or strategic partners). The company serves a diverse customer base, including public utilities, industrial and municipal power users, data centers, healthcare institutions, and wastewater treatment plants. Geographically, FuelCell Energy's footprint is concentrated in the United States, South Korea, and select European markets such as Germany, England, and Switzerland. The company's competitive position is driven by its proprietary technology, which enables highly efficient, multi-megawatt power generation with a significantly lower carbon footprint than traditional combustion-based alternatives, positioning it as a key player in the global transition to clean energy and hydrogen infrastructure.