Energy Insight: Nuclear: world nuclear power generation and capacity (DSS34)

By country, updated annually

Nuclear power supplies approximately 10% of total world electricity from 448 reactors in 31 countries; this has decreased from 13.8% in 2009. 13 countries rely on nuclear power for at least a quarter of their electricity. France relies on nuclear power for 72.3% of it's power while Armenia, Belgium, Bulgaria, Czech Republic, Hungary, Slovakia, Sweden, Switzerland, Slovenia and Ukraine relies on nuclear power for one third or more of it's power. The USA has the highest number of nuclear reactors, followed by France and then Japan. 



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