Illinois was the leading state by number of nuclear reactors in the United States. In 2025, the state had ** nuclear reactors located in six different nuclear power plants. Pennsylvania and South Carolina followed with ***** and ***** nuclear reactors, respectively. That year, a total of **nuclear power reactors were active in the country. Illinois and Pennsylvania were also the states with the highest generation of nuclear electrical power in the U.S..
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NRC. (February 21, 2025). Number of operational nuclear power reactors in the United States in 2025, by state [Graph]. In Statista. Retrieved June 05, 2025, from https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/
NRC. "Number of operational nuclear power reactors in the United States in 2025, by state." Chart. February 21, 2025. Statista. Accessed June 05, 2025. https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/
NRC. (2025). Number of operational nuclear power reactors in the United States in 2025, by state. Statista. Statista Inc.. Accessed: June 05, 2025. https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/
NRC. "Number of Operational Nuclear Power Reactors in The United States in 2025, by State." Statista, Statista Inc., 21 Feb 2025, https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/
NRC, Number of operational nuclear power reactors in the United States in 2025, by state Statista, https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/ (last visited June 05, 2025)
Number of operational nuclear power reactors in the United States in 2025, by state [Graph], NRC, February 21, 2025. [Online]. Available: https://www.statista.com/statistics/1340374/number-of-nuclear-power-reactors-in-the-us-by-state/
