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The United States is the largest consumer of nuclear power, having accounted for over 29 percent of the world’s nuclear power consumption in 2025. In 2025, nuclear energy consumption in the U.S. totaled nine ±ð³æ²¹Âá´Ç³Ü±ô±ð²õ.Ìý

Nuclear power generation

In 2010, global nuclear power generation reached 2,630 terawatt-hours. Following the Fukushima nuclear disaster in March 2011, that year saw an output drop. Generation also declined in 2012 but has since recovered. It amounted to 2,552 terawatt-hours in 2023. Currently, nuclear power accounts for just below nine percent of global electricity generation.

Nuclear reactors

As the top producer of nuclear power, it comes as no surprise that the U.S. has by far the most operable nuclear reactors worldwide. With a total of 94 units in operation as of February 2026, this is 34Ìý more than in China. Nevertheless, whilst the U.S. had no planned nuclear reactor additions at the time, China had 43 . The Asian country also had 37 nuclear reactors under construction. It is projected that China will surpass the U.S. as the world’s largest nuclear energy producer.