U.S. nuclear statistics
Data as of the end of 2021, except where noted.
| Total operable nuclear reactors | 93 |
| Nuclear total annual net electricity generation | 778,188 million kilowatthours |
| Nuclear percentage of total annual electricity generation | 18.9% |
| Nuclear net summer electricity generation capacity | 95.55 million kilowatts |
| Nuclear share of total U.S. utility-scale electricity net summer generation capacity | 8.3% (net summer capacity) |
| Nuclear average annual capacity factor | 92.7% |
| Largest nuclear power plant Palo Verde (has three nuclear reactors) | 3,937 megawatts |
| Number of states with operating commercial nuclear power plants | 28 |
| Uranium expenditures | $72.5 million |
| Uranium concentrate (U3O8) production | 21,000 pounds |
| Average price for purchased uranium concentrate U3O8 | $33.91 per pound U3O8 |
| Fuel cost: nuclear vs. fossil steam | 0.61 cents/kilowatthour vs. 2.46 cents/kilowatthour |
World nuclear statistics
Data for 2020.
| Total world nuclear electricity generation | 2,591 billion kWh |
| Nuclear percentage share of total world electricty generation | 10.1% |
| Number of countries with nuclear power reactors | 33 |
| Top five nuclear electricity generating countries | Total annual nuclear electricity generation in billion kilowatthours (BkWh) | Nuclear share of total national annual electricity generation |
|---|---|---|
| United States | 789.88 BkWh | 19.5% |
| France | 379.50 BkWh | 68.5% |
| China | 366.30 BkWh | 4.8% |
| Russia | 215.75 BkWh | 21.0% |
| South Korea | 152.33 BkWh | 27.7% |
| Share of total world nuclear electricity generation | ||
| United States | 29.9% | |
| France | 14.4% | |
| China | 13.9% | |
| Russia | 8.2% | |
| South Korea | 5.9% | |
Last updated: November 18, 2022, with most recent data available at the time of update.