Huaneng Power International, Inc., an independent power producer, generates and sells electricity and heat to the regional or provincial grid companies in the People's Republic of China and Singapore. It is involved in the development, construction, operation, and management of power plants and related projects; and generation, wholesale, and retail of power and other relating utilities. The company generates power from coal, wind, gas, oil, biomass, and hydro resources. It is also involved in the sale of coal ash and lime; loading warehousing and conveying services; port development and construction, coal mixture, and machinery leasing and repair services; installation of cold energy instrumentation; and thermal heating services. In addition, the company engages in the development of new energy distribution of coal and coal products; installation and maintenance of power equipment; water supply services; construction and operation of heating pipe networks; power supply, energy transmission, and substation project contracting; cargo transportation along domestic coastal areas; and port management, cargo loading, and water transport material supply. Further, it is involved in the real estate development, leasing, and agency services; production and sale of mineral water; and aquaculture and agriculture irrigation activities, as well as provides environment engineering, waste recycling consultancy, and industrial waste management and recycling services. As of March 31, 2016, it had controlled generating capacity of 82,381 megawatts and a total generating capacity of 74,826 megawatts. Huaneng Power International, Inc. was founded in 1994 and is headquartered in Beijing, the People's Republic of China.