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Nuclear explained  

U.S. nuclear statistics

Data for 2018 except where noted.

Total operable nuclear reactors 98
Nuclear electricity net generation 807,078 million kilowatthours (preliminary)
Nuclear percentage of total annual electricity generation 19.3% (preliminary)
Nuclear net summer electricity generation capacity 99.4 million kilowatts (preliminary)
Nuclear share of total U.S. utility-scale electricity generation capacity (2017) 9.2% (net summer capacity)
Average annual capacity factor 92.6% (preliminary)
Largest nuclear plant Palo Verde—(as of December 2018; has three nuclear reactors) 3,937 megawatts
Number of states with commercial nuclear power plants 30
Uranium expenditures $108.8 million
Uranium concentrate (U3O8) production 1.65 million pounds
Average price for purchased uranium concentrate U3O8 $38.81 per pound U3O8
Fuel cost: nuclear vs. fossil steam (2017) 0.75 cents/kilowatthour vs. 2.53 cents/kilowatthour

World nuclear statistics

Data for 2016.

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 806 BkWh 19.7%
France 386 BkWh 73.0%
China 198 BkWh 3.4%
Russia 184 BkWh 17.8%
South Korea 154 BkWh 29.3%
  Share of total world nuclear electricity generation
United States 32.6%
France 15.7%
China 8.0%
Russia 7.5%
South Korea 6.3%

Last updated: June 18, 2019