China Added More Nuclear Power In A Decade Than The Rest Of The World Combined
Global nuclear power generation reached an all-time high in 2025, and China supplied all of the net growth. According to the latest Statistical Review of World Energy, nuclear plants generated 2,845 terawatt-hours worldwide last year, up 30 terawatt-hours, or 1.3%, from 2024. China increased its output by more than 34 terawatt-hours, which means that without China, global nuclear generation would…
In 2025, global nuclear power generation reached an all-time high, with China supplying the majority of the net growth. Nuclear plants generated 2,845 terawatt-hours worldwide, a 1.3% increase from the previous year. China's output surged by 34 terawatt-hours, meaning that without its contribution, global nuclear generation would have declined.
The United States remains the largest nuclear power producer, generating 826 terawatt-hours, which accounts for 29% of the global total. China is rapidly closing the gap, producing 485 terawatt-hours, or 17.1% of worldwide generation. France follows with 390 terawatt-hours, or 13.7%. The United States currently operates the world's largest nuclear fleet, while China is rapidly catching up.
Japan is gradually restoring generation, but much of Europe remains below the levels reached a decade ago. The expansion of nuclear power has been heavily concentrated, with China accounting for more than the entire increase over the past decade.
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