Huaneng Power International, Inc., together with its subsidiaries, generates and sells electric power to the regional or provincial grid companies in the People's Republic of China, the Islamic Republic of Pakistan, and internationally. The company develops, constructs, operates, and manages coal-fired and gas-fired power plants, as well as is involved in the business of new energy generation projects and supporting ports, shipping, incremental distribution grid, and other facilities. It also provides port, transportation, maintenance, and heating pipeline services. It has installed power generation capacity of 155,869 MW, including natural gas power, hydropower, wind power, and solar power. The company was incorporated in 1994 and is based in Beijing, the People's Republic of China.