It is a super-large power generation enterprise group established on the basis of some enterprises and institutions of the former State Power Corporation, which is engaged in the development, investment, construction, operation and management of electric energy

China Datang Group Corporation is a super-large power generation enterprise group established on December 29, 2002 on the basis of some enterprises and institutions of the former State Power Corporation, a wholly state-owned company directly managed by the central government, and a state-authorized investment institution and a state-controlled company pilot approved by the State Council, with a registered capital of RMB 18.009 billion. The main business scope is: all state-owned assets formed by state investment and owned by the group company in the group company and related enterprises; engaged in the development, investment, construction, operation and management of electric energy; organization of electricity (heat) production and sales; power equipment manufacturing, equipment maintenance and commissioning; power technology development and consulting; Contracting and consulting of electric power engineering and electric power environmental protection engineering; new energy development; development and production of coal resources related to electric power; Self-management and agency of import and export of various commodities and technologies; Contracting overseas projects and domestic international bidding projects; export of equipment and materials required for the above-mentioned overseas projects; Dispatch of labor personnel required for the implementation of the above-mentioned overseas projects.

China Datang Group Corporation implements a group management system and operation mode based on the three levels of responsibility of group companies, branch (subsidiary) companies and grassroots enterprises. The group company has successively established 13 provincial power generation companies, including Datang Hebei Power Generation Co., Ltd., Datang Jilin Power Generation Co., Ltd., Datang Heilongjiang Power Generation Co., Ltd., Datang Jiangsu Power Generation Co., Ltd., Datang Anhui Power Generation Co., Ltd., Datang Shandong Power Generation Co., Ltd., Datang Henan Power Generation Co., Ltd., Datang Sichuan Power Generation Co., Ltd., Datang Guizhou Power Generation Co., Ltd., Datang Yunnan Power Generation Co., Ltd., Datang Shaanxi Power Generation Co., Ltd., Datang Gansu Power Generation Co., Ltd., and Datang Xinjiang Power Generation Co., Ltd. It has established 6 branches of Hunan Branch, Guangxi Branch, Shanxi Branch, Tibet Branch, Shanghai Branch, Ningxia Branch and Datang Electric Power Fuel Co., Ltd.

China Datang Group has five listed companies, namely Datang International Power Generation Co., Ltd., the first Chinese company listed in London and the first power company listed in Hong Kong. Datang Huayin Power Co., Ltd. and Guangxi Guiguan Power Co., Ltd., which were listed in China, China Datang Group New Energy Co., Ltd., and Datang Environmental Industry Group Co., Ltd., which were listed in Hong Kong, were listed earlier. The group company owns the largest thermal power plant in service in China - Inner Mongolia Datang International Tuoketuo Power Generation Company and the world's largest in-service wind farm - Inner Mongolia Chifeng Saihanba Wind Farm; It has one of the largest hydropower stations in China that has been completed and put into operation for power generation, Datang Longtan Hydropower Station, and China Water Conservancy and Electric Power Materials Co., Ltd., which has a logistics network covering the whole country. As of the end of July 2017, the assets under service and construction of China Datang Group Corporation were distributed in 31 provinces, autonomous regions and municipalities across the country and overseas countries and regions such as Myanmar, Cambodia and Laos, with total assets of 700.6 billion yuan, a total of 100,100 employees, and an installed power generation capacity of 142 million kilowatts. Since 2010, the group company has been selected as one of the world's top 500 companies for the eighth consecutive time.