China Huaneng Group Corporation is one of the five largest State-owned electric utility enterprises in China, administrated by the State Council of the People's Republic of China. The company is mainly engaged in the following business: development, investment, construction, operation and management of power sources; production and sale of power and heat; development, investment, construction, production, and sale of businesses and products related to finance, energy transportation, renewable energy, and environmental protection; industrial investment, operation and management.