Major Nuclear Power Companies 

As a Fortune 500 enterprise, the China National Nuclear Corporation (CNNC) is a major player in China's nuclear science and technology development, and a major nuclear fuel producer, supplier and service provider. It has been extensively involved in promoting nuclear energy development, building nuclear power plants and utilizing nuclear technology. It designed, constructed and has since been operating China's first nuclear power plant. As of the end of 2020, CNNC had 23 nuclear power units in operation with a total installed capacity of 21.38 GWe and 6 under construction with a total installed capacity of 5.99 GWe. 

The China General Nuclear Power Corporation (CGN) specializes in nuclear electricity generation and project engineering, and invests heavily in R&D. Back in the 1990s, it successfully built China's first large commercial nuclear power plant at Daya Bay (Daya Bay NPP). As of the end of 2020, CGN had 24 nuclear power units in operation with a total installed capacity of 27.14 GWe and 7 under construction with a total installed capacity of 8.20 GWe. 

Another Fortune 500 enterprise, the State Power Investment Corporation (SPIC) is one of China's top five power companies. As of the end of 2020, its total installed capacity stood at 176 GWe with clean energy accounting for 56.09%. SPIC is leading the implementation of the major national science and technology project on building large advanced PWR nuclear power plant. It has a total installed capacity of 6.98 GWe for nuclear power units in operation and under construction. 

核能主要企業(yè)

中國核工業(yè)集團(tuán)有限公司（簡稱中核集團(tuán)）是中國核科技工業(yè)的主體，核能發(fā)展與核電建設(shè)的中堅(jiān)，核燃料的生產(chǎn)商、供應(yīng)商和服務(wù)商，核技術(shù)應(yīng)用的骨干，世界 500強(qiáng)企業(yè)。中核集團(tuán)自主設(shè)計(jì)、建造、運(yùn)營了中國第一座核電站。截至 2020年 12月底，中核集團(tuán)擁有在運(yùn)核電機(jī)組 23臺(tái)，裝機(jī)容量 2138萬千瓦；在建核電機(jī)組 6臺(tái)，裝機(jī)容量 599萬千瓦。

中國廣核集團(tuán)有限公司（簡稱中廣核）擁有專業(yè)化的核電生產(chǎn)、工程建設(shè)、科技研發(fā)體系。在 20世紀(jì) 90年代成功建設(shè)了中國第一座大型商用核電站——大亞灣核電站。截至 2020年 12月底，中廣核擁有在運(yùn)核電機(jī)組 24臺(tái)，裝機(jī)容量 2714萬千瓦；在建核電機(jī)組 7臺(tái)，裝機(jī)容量 820萬千瓦。

國家電力投資集團(tuán)有限公司（簡稱國家電投）是中國五大電力公司之一，世界 500強(qiáng)企業(yè)。截至 2020年 12月底，國家電投裝機(jī)規(guī)模達(dá)到 1.76億千瓦，清潔能源裝機(jī)占比為 56.09%。國家電投牽頭組織實(shí)施了大型先進(jìn)壓水堆核電站國家科技重大專項(xiàng)，擁有在運(yùn)和在建核電裝機(jī)容量 698萬千瓦。