In 2024, there were 15 nuclear reactors in the United States that started their commercial operation more than 50 years ago. By comparison, only four nuclear reactors were operational for less than 20 years. The United States had the largest number of nuclear reactors worldwide.
Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation
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WNISR. (September 25, 2024). Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation [Graph]. In Statista. Retrieved June 04, 2025, from https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/
WNISR. "Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation." Chart. September 25, 2024. Statista. Accessed June 04, 2025. https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/
WNISR. (2024). Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation. Statista. Statista Inc.. Accessed: June 04, 2025. https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/
WNISR. "Number of Commercial Nuclear Power Reactors in The United States as of July 2024, by Years of Operation." Statista, Statista Inc., 25 Sep 2024, https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/
WNISR, Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation Statista, https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/ (last visited June 04, 2025)
Number of commercial nuclear power reactors in the United States as of July 2024, by years of operation [Graph], WNISR, September 25, 2024. [Online]. Available: https://www.statista.com/statistics/201685/number-of-us-nuclear-power-reactors-by-years-of-operation/
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