China Datang Corporation, as of the end of 2010, China Datang Corporation’s assets in service and under construction are distributed in 28 provinces, autonomous regions and municipalities across the country, as well as overseas countries and regions such as Myanmar and Cambodia, with installed power generation capacity The scale reached 105.8959 million kilowatts, which was 5.08 times that of the time of establishment. The total assets reached 520.582 billion yuan and the total number of employees exceeded 100,000.

China Huaneng Group Corporation, as of the end of June 2009, China Huaneng owns and operates 130 wholly-owned and controlled power plants in 26 provinces, municipalities, districts and overseas, with an installed capacity of 88.967 million kilowatts, coal, Industries such as finance, technology research and development, and transportation are beginning to take shape.

China Huadian Group Corporation, as of the end of 2009, China Huadian's installed capacity was 75.5073 million kilowatts, including 62.39 million kilowatts of thermal power, 12.3596 million kilowatts of hydropower, 754.32 million kilowatts of wind power, and 34.32 million kilowatts of others; total assets were 330 billion yuan; in 2009, the power generation capacity exceeded 300 billion kilowatt hours. China Huadian has many comparative advantages and a solid foundation for realizing its development strategy. Currently, the installed power generation capacity in operation is 30.79 million kilowatts, with total assets of 119.7 billion yuan, distributed in 23 provinces (cities, districts) across the country, of which thermal power accounts for 80.9% and hydropower accounts for 19.1%; it currently has 10 power plants with over one million kilowatts. ; Controlling listed companies such as Huadian International Power Co., Ltd., Huadian Energy Co., Ltd., and Guodian Nanjing Automation Co., Ltd. with excellent performance; controlling Wujiang Hydropower Development Co., Ltd. with an installed capacity of 2.3 million kilowatts. According to the company's development plan, the company's installed capacity will reach more than 60 million kilowatts in 2010 and more than 100 million kilowatts in 2020.

China Guodian Corporation, as of the end of October 2009, had a total controllable installed capacity of 77.73 million kilowatts. Among them, the thermal power installed capacity is 69.0975 million kilowatts, accounting for 88.85%; the hydropower installed capacity is 5.0516 million kilowatts (including 3,900 kilowatts of tidal generating units), accounting for 6.46%; the wind power installed capacity is 3.5272 million kilowatts, accounting for 4.54%; and the biomass installed capacity is 54,000 kilowatts. , accounting for 0.07%. It has 44 thermal power units of 600,000 kilowatts and above, accounting for 40.4% of the total thermal power capacity; thermal power units of 300,000 kilowatts and above account for 82.3% of the total thermal power capacity. Wind power installed capacity ranks fifth in the world and first in Asia; tidal power generation ranks third in the world and first in Asia.

China Power Investment Corporation has a controllable installed capacity of more than 60 million kilowatts, a coal production capacity of 50.15 million tons, an electrolytic aluminum production capacity of 1.755 million tons, and a clean energy ratio of 30%, ranking first among the five major power generation groups. The total assets are 377.6 billion yuan. The assets are distributed in 28 provinces, municipalities, autonomous regions, Hong Kong, Macao and other places across the country. It has 6 listed companies and 24 built large power plants of more than 1000MW.