Huadian Power International Corporation Limited, together with its subsidiaries, engages in the generation and supply of electricity and heat to power grid companies in the People's Republic of China. It is also involved in the production and sale of coal; construction and operation of power plants, including coal- or gas-fired generating units and various renewable energy projects; sale of electricity, coal, and heat; construction and operation of ports; and sale of mining equipment and components. In addition, the company invests in coal, electricity, and heat industries, as well as hydropower resources; and provides coal mine improvement services. As of December 31, 2017, it had 60 controlled power plants with a total installed capacity of 49,180.1 MW, including 39,000 MW through coal-fired generating units and 4,426.5 MW through gas-fired generating units, as well as 5,753.6 MW through renewable energy generating units, such as hydropower, wind power, and solar power. The company was founded in 1994 and is based in Beijing, the People's Republic of China. Huadian Power International Corporation Limited is a subsidiary of China Huadian Corporation Limited.