As of 2024-2025, the United States has 54 commercially operating nuclear power plants with a total of 94 nuclear reactors in operation across 28 states

. These plants vary in size, with some having a single reactor and others having up to four reactors, such as the Alvin W. Vogtle Electric Generating Plant in Georgia, which is the largest with four reactors

. In summary:

• Number of nuclear power plants: 54
• Number of nuclear reactors: 94
• States with nuclear plants: 28
• Largest plant: Vogtle in Georgia (4 reactors)
• Total nuclear generating capacity: about 97 gigawatts (GW)

This makes the U.S. the country with the largest fleet of commercial nuclear reactors in the world