As of May 2020, there are 96 operating nuclear reactors at 61 nuclear power plants in 30 U.S. states. The states with the most reactors are:
• Illinois (11 reactors at 6 plants)
• Pennsylvania (9 reactors at 5 plants)
• Tennessee (7 reactors at 3 plants)
• Florida (6 reactors at 3 plants)
• South Carolina (6 reactors at 2 plants)