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.
核能主要企业
中国核工业集团有限公司（简称中核集团）是中国核科技工业的主体，核能发展与核电建设的中坚，核燃料的生产商、供应商和服务商，核技术应用的骨干，世界 500强企业。中核集团自主设计、建造、运营了中国第一座核电站。截至 2020年 12月底，中核集团拥有在运核电机组 23台，装机容量 2138万千瓦；在建核电机组 6台，装机容量 599万千瓦。
中国广核集团有限公司（简称中广核）拥有专业化的核电生产、工程建设、科技研发体系。在 20世纪 90年代成功建设了中国第一座大型商用核电站——大亚湾核电站。截至 2020年 12月底，中广核拥有在运核电机组 24台，装机容量 2714万千瓦；在建核电机组 7台，装机容量 820万千瓦。
国家电力投资集团有限公司（简称国家电投）是中国五大电力公司之一，世界 500强企业。截至 2020年 12月底，国家电投装机规模达到 1.76亿千瓦，清洁能源装机占比为 56.09%。国家电投牵头组织实施了大型先进压水堆核电站国家科技重大专项，拥有在运和在建核电装机容量 698万千瓦。