Huaneng Power International, Inc., together with its associated companies, primarily produces and distributes electricity to regional and provincial utility grids both within China and globally. The enterprise is deeply involved in the full lifecycle management of power generation assets and related undertakings, encompassing their development, construction, operation, and oversight. The company harnesses a diverse array of energy sources for electricity generation, including natural gas turbines, hydroelectric systems, wind power, solar photovoltaic technology, traditional coal-fired plants, and biomass. Beyond its core energy production, Huaneng Power's activities extend to various ancillary services. These include the sale of industrial byproducts like coal ash and lime, logistics and transportation solutions such as cargo handling, storage, and port operations, and the development and construction of solar power installations. The firm also provides heating and cooling services, including district heating, and performs maintenance and repair on power equipment. Additional offerings encompass supplying steam and hot water, plumbing pipe installation and repairs, and undertaking energy engineering projects. Furthermore, it engages in building and managing electricity distribution and heating networks, contracting for energy supply, transmission, and substation works, and managing industrial water and waste. Environmental engineering, IT, and management consulting services are also part of its portfolio. The company trades in both raw and processed coal and supplies centralized heating and purified water. As of December 31, 2021, Huaneng Power managed an operational generating capacity totaling 118,695 megawatts, with its equity-based installed capacity reaching 103,875 megawatts. The company was founded in 1994 and maintains its headquarters in Beijing, China.