Countries Generating the Most Electricity from Nuclear Power
This chart ranks countries by the share of their electricity generated from nuclear power in 2024. It measures reliance on nuclear within each national grid, not the total amount of nuclear electricity produced.
About This Dataset
Countries Generating the Most Electricity from Nuclear PowerFrance leads with 67.7% of its electricity from nuclear power, the only large economy to have built its grid around the technology, followed by Slovakia on 61.8%. No other country exceeds 43%. The list is overwhelmingly European and strikingly post-communist: Slovakia, Hungary, Bulgaria, Czechia, Slovenia and Belarus all sit between 34% and 43%, reflecting reactor fleets built during the Soviet era and kept running ever since. Belgium's 41.1% is notable given its repeated political commitments to phase nuclear out. Notably absent are the countries with the most reactors in absolute terms, the United States and China, because their grids are so vast that nuclear supplies only a modest fraction of a much larger total.
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Countries Generating the Most Electricity from Nuclear Power
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