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Global nuclear energy capacity and number of reactors

Konvoy VenturesDecember 2025
Global nuclear energy capacity and number of reactors
Chart by Konvoy Ventures. Source: 1979’s Impact on U.S. Nuclear Energy

Horizontal bar chart showing the global nuclear energy capacity in gigawatts and the number of reactors by country as of June 2025. The United States leads with 97 GW across 94 reactors, followed by France and China.

LabelValue shown on the chart
United States - net capacity (GW)97
United States - reactors94
France - net capacity (GW)63
France - reactors57
China - net capacity (GW)55
China - reactors57
Russia - net capacity (GW)27
Russia - reactors36
South Korea - net capacity (GW)26
South Korea - reactors26
rest of world - net capacity (GW)108
rest of world - reactors146

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