Top 10 Nuclear Power Plant Operators in the World by Capacity (as of March 2022)

Electricite de France SA, State Atomic Energy Corporation Rosatom, Korea Electric Power Corp, Constellation Energy Corp, and China General Nuclear Power Corp are the top 5 nuclear power plant operators in the world by capacity (as of March 31, 2022). Collectively, the top 10 nuclear power plant operators in the world had an active capacity of 203,982 MW (as of March 31, 2022), where the highest active capacity was reported by Electricite de France SA (62,821 MW), followed by State Atomic Energy Corporation Rosatom (28,511 MW) and Korea Electric Power Corp (24,210 MW), while NNEGC Energoatom had the lowest active capacity (7,415 MW). In terms of the geographic split, 4 out of the world's top 10 nuclear power plant operators are based in North America, 3 companies are based in the Asia-Pacific, and the remaining 3 companies are based in Europe. They employed a total of 611,186 people in 2021. France-based Electricite de France SA is the leading nuclear power plant operator in the world by capacity (as of March 31, 2022). The company reported revenues of $99,871 million for the fiscal year ending December 2021 (FY2021), an increase of 22.4% over FY2020, due to an increase in gas prices, resumption of suspended business activities, and dynamic sales activity in France and the UK. It is an integrated electricity company, which has operations in the generation, transmission, distribution, energy supply and trading, and energy services. It has 38.5 million customer sites across the world. It had 47 subsidiaries and employed 163,423 people by the end of FY2021. State Atomic Energy Corporation Rosatom (ROSATOM) is one of the leading nuclear power plant operators in the world by capacity (as of March 31, 2022). The company is a nuclear technology company, which provides a wide range of services in the nuclear production chain, from uranium exploration and mining, uranium conversion, power generation, and nuclear fuel and radioactive waste management. It integrates more than 300 enterprises and organizations, including research institutes in civilian and defense sectors and employs 266,400 people.