Huadian Power International Corporation Limited, together with its subsidiaries, engages in the generation and sale of electricity and heat to power grid companies in the People's Republic of China. The company is involved in the construction and operation of power plants, including coal- or gas-fired generating units and various renewable energy projects. It also engages in the production and sale of coal; 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 power resources; and provides coal mine improvement services. As of December 31, 2020, it had 67 controlled power plants with a total installed capacity of 58,448 MW, including a total of 43,160 MW through coal-fired generating units and 7,340 MW through gas-fired generating units; and 7,948 MW through renewable energy generating units, such as hydro, wind, and solar power. The company was incorporated in 1994 and is based in Beijing, the People's Republic of China.