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 and internationally. It 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, distribution grid, and other facilities. The company also provides port, transportation, maintenance, and heating pipeline services. It has installed power generation capacity of 145,125 MW, including natural gas power, hydropower, wind power, and solar power.