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Posted April 24, 2025

The United States operates the world’s largest nuclear power plant fleet ›

U.S. nuclear power plants

Data source: U.S. Energy Information Administration, Preliminary Monthly Electric Generator Inventory (February 2025)
Note: Alaska and Hawaii do not have nuclear power plants. Capacity values are net summer capacity.

In 2024, U.S. utilities operated 94 nuclear reactors with a total net generating capacity of nearly 97 gigawatts (GW), the largest commercial nuclear power generation fleet in the world. The next three countries with the largest programs were France with 57 units (63.0 GW), China with 57 units (55.3 GW), and Russia with 36 units (28.6 GW). Nuclear power continues to account for 19% of U.S. power sector electricity generation.

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Previously in Today in Energy

Data Highlights

  • 4/24/2025
  • Wind and solar combined share of generation
  • 19.0
  • %


  • 7.4%
    from year earlier
  • 4/24/2025
  • Daily electric power demand
  • 10508
  • GWh


  • 2.7%
    from year earlier
  • $3.16
  • /million Btu
  • $0.409 /million Btu
    from week earlier
  • $1.520 /million Btu
    from year earlier
  • $69.33
  • /barrel
  • $3.96 /barrel
    from week earlier
  • $19.01 /barrel
    from year earlier

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