Nuclear power plants worldwide generated a record 2,702 TWh of electricity in 2025, while national expansion plans could take installed capacity beyond the global goal of tripling nuclear energy by 2050, the World Nuclear Association (WNA) said in a new report.
The association’s World Nuclear Outlook Report 2026 said generation increased by 35 TWh from the previous record set in 2024. The global fleet recorded an average capacity factor of 83.7%, continuing a trend of strong operating performance since 2000.
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