China Power Investment Corporation (CPI) was established from part of the constituent businesses of the former State Power Corporation of China (SP). With a registered capital of 12 billion RMB, CPI has been approved by the State Council to become one of the pilot state-authorized investment entities and state-owned holding corporations.

By the end of 2007, the total assets of CPI amounted to 221.2 billion RMB. Its controllable installed capacity reached 44950MW, equity installed capacity reached 32149.2MW, out of which, 9665.5MW or 21.5% came from hydro units, 33833 MW or 75.27% from thermal units, 1350.8 MW or 3.01% from nuclear units and 100.5MW or 0.229% from wind units. CPI has 169 member companies/institutions and 15 participating companies with 83425 employees in total.

CPI owns assets in 25 provinces, municipalities and autonomous regions. Among these, there are five A-share listed companies, namely Shanghai Electric Power Co. Ltd, Shanxi Zhangze Electric Power Co. Ltd, Chongqing Jiulong Electric Power Co. Ltd, Jilin Electric Power Co. Ltd and Huolinhe Open Coal Mining Listed. CPI also owns China Power International Holding Ltd. registered in Hong Kong, through which CPI indirectly owns China Power Development Ltd. listed at the Hong Kong Stock Exchange and China-Hong Kong Power Development Ltd. devoting to supply power for Hong Kong. Besides, CPI owns Upstream Huanghe Hydropower Development Co., Ltd and Hunan Wuling Electric Power Development Corporation with both enjoying river-basin development capabilities. It also owns China Power Complete Equipment Company Ltd., a major player in complete power equipment supply and service. In coal sector, CPI Huolinhe Coal Power Co. Ltd is a large-scale coal company, so is the Baiyinhua Coal Power Co. Ltd. CPI owns 16 established power plants each above 1000MW, ongoing holding Shandong Haiyang nuclear power project, joint holding Liaoning Hongyanhe nuclear power project and holds minority shares in 5 operating nuclear power plants and 3 under construction. Moreover, CPI is also carrying out preparation for nuclear power sites in Guangxi, Hubei, Hunan, Jiangxi, Jilin, Chongqing and Henan.