Key list: leading nuclear power plant operators by capacity

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This month our power industry key list brings you the 15 largest nuclear power plant operators by capacity, as ranked by GlobalData's Power Intelligence Centre. All numbers up to date as of March 2021.

Company name

Entity type    

Number of employeesActive capacity (MW)
Electricite de France SAPublic162,20885,215
State Atomic Energy Corporation RosatomPrivate266,40060,622
Korea Electric Power CorpPublic47,45248,474
Exelon CorpPublic33,38331,554
China National Nuclear CorpGovernment-23,381
Entergy CorporationPublic13,00014,906
NNEGC "Energoatom"Private34,73613,835
Ontario Power Generation IncPrivate8,71512,873
NextEra Energy IncPublic8,90011,275
Vattenfall ABPrivate19,8159,293
Duke Energy CorpPublic30,0839,259
Dominion Energy IncPublic19,1009,239
Engie SAPublic160,0008,636
Tennessee Valley AuthorityGovernment10,0098,314
Public Service Enterprise Group IncPublic12,9928,121