Datang International Power Generation Co., Ltd., together with its subsidiaries, engages in power generation and power plant development activities in the People's Republic of China. The company operates through Power and heat generation, Coal, and Other segments. It generates electricity through various sources, such as coal-fired, thermal, hydro, wind, nuclear, biomass, and solar. As of December 31, 2019, the company managed an installed capacity of approximately 68,278.10 MW. It also engages in heat supply; the import of power related fuel; coal mining and trading; silicon and aluminum smelting; production and sale of alumina; cargo shipping; sale of coal ash and integrated application of solid waste; power plant construction and operation; repair and testing of power equipment; research and development activities; and provision of power related technical services. The company was formerly known as Beijing Datang Power Generation Co., Ltd and changed its name to Datang International Power Generation Co, Ltd. in April 2004. The company was founded in 1994 and is headquartered in Beijing, the People's Republic of China. Datang International Power Generation Co., Ltd. is a subsidiary of China Datang Corporation Limited.