<Tr> <Td> Operating reactors, building new reactors Operating reactors, planning new build No reactors, building new reactors No reactors, planning new build </Td> <Td> Operating reactors, stable Operating reactors, considering phase - out Civil nuclear power is illegal No reactors </Td> </Tr> <P> Of the 31 countries in which nuclear power plants operate, only France, Slovakia, Ukraine, Belgium, and Hungary use them as the source for a majority of the country's electricity supply . Other countries have significant amounts of nuclear power generation capacity . By far the largest nuclear electricity producers are the United States with 805 647 GWh of nuclear electricity in 2017, followed by France with 381 846 GWh . As of December 2017 448 reactors with a net capacity of 391 721 MWe are operational and 59 reactors with net capacity of 60 460 MWe are under construction, of those 18 reactors with 19 016 MWe in China . </P> <Table> Nuclear power by country in 2016 <Tr> <Th> Country </Th> <Th_colspan="2"> Reactors </Th> <Th> Capacity Net - total (MW) </Th> <Th> Generated electricity (GWh) </Th> <Th> Share of total electricity use </Th> <Th> Notes </Th> </Tr> <Tr> <Th> operational </Th> <Th> U / C </Th> </Tr> <Tr> <Td> Argentina </Td> <Td> </Td> <Td> </Td> <Td> 1633 </Td> <Td> 5716.27 </Td> <Td> 4.5% </Td> <Td> </Td> </Tr> <Tr> <Td> Armenia </Td> <Td> </Td> <Td> 0 </Td> <Td> 375 </Td> <Td> 2411.39 </Td> <Td> 32.5% </Td> <Td> </Td> </Tr> <Tr> <Td> Bangladesh </Td> <Td> 0 </Td> <Td> </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> Belarus </Td> <Td> 0 </Td> <Td> </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> Belgium </Td> <Td> 7 </Td> <Td> 0 </Td> <Td> 5918 </Td> <Td> 40186.70 </Td> <Td> 49.9% </Td> <Td> </Td> </Tr> <Tr> <Td> Brazil </Td> <Td> </Td> <Td> </Td> <Td> 1884 </Td> <Td> 14854.33 </Td> <Td> 2.7% </Td> <Td> </Td> </Tr> <Tr> <Td> Bulgaria </Td> <Td> </Td> <Td> 0 </Td> <Td> 1926 </Td> <Td> 14872.26 </Td> <Td> 34.3% </Td> <Td> </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 19 </Td> <Td> 0 </Td> <Td> 13554 </Td> <Td> 95131.20 </Td> <Td> 14.6% </Td> <Td> </Td> </Tr> <Tr> <Td> China </Td> <Td> 39 </Td> <Td> 19 </Td> <Td> 34514 </Td> <Td> 232796.74 </Td> <Td> 3.9% </Td> <Td> </Td> </Tr> <Tr> <Td> Czech Republic </Td> <Td> 6 </Td> <Td> 0 </Td> <Td> 3930 </Td> <Td> 26784.68 </Td> <Td> 33.1% </Td> <Td> </Td> </Tr> <Tr> <Td> Finland </Td> <Td> </Td> <Td> </Td> <Td> 2769 </Td> <Td> 21573.97 </Td> <Td> 33.2% </Td> <Td> </Td> </Tr> <Tr> <Td> France </Td> <Td> 58 </Td> <Td> </Td> <Td> 63130 </Td> <Td> 381846.02 </Td> <Td> 71.6% </Td> <Td> </Td> </Tr> <Tr> <Td> Germany </Td> <Td> 8 </Td> <Td> 0 </Td> <Td> 10799 </Td> <Td> 72162.80 </Td> <Td> 11.6% </Td> <Td> Phase - out by 2022 </Td> </Tr> <Tr> <Td> Hungary </Td> <Td> </Td> <Td> 0 </Td> <Td> 1889 </Td> <Td> 15218.92 </Td> <Td> 50.0% </Td> <Td> </Td> </Tr> <Tr> <Td> India </Td> <Td> 22 </Td> <Td> 6 </Td> <Td> 6255 </Td> <Td> 20004.34 </Td> <Td> 3.2% </Td> <Td> </Td> </Tr> <Tr> <Td> Iran </Td> <Td> </Td> <Td> 0 </Td> <Td> 915 </Td> <Td> 6366.21 </Td> <Td> 2.2% </Td> <Td> </Td> </Tr> <Tr> <Td> Japan </Td> <Td> 42 </Td> <Td> </Td> <Td> 39752 </Td> <Td> 29285.05 </Td> <Td> 3.6% </Td> <Td> Most reactors currently stopped </Td> </Tr> <Tr> <Td> Korea, Republic of </Td> <Td> 25 </Td> <Td> </Td> <Td> 23070 </Td> <Td> 141278.32 </Td> <Td> 27.1% </Td> <Td> </Td> </Tr> <Tr> <Td> Mexico </Td> <Td> </Td> <Td> 0 </Td> <Td> 1552 </Td> <Td> 10571.92 </Td> <Td> 6.0% </Td> <Td> </Td> </Tr> <Tr> <Td> Netherlands </Td> <Td> </Td> <Td> 0 </Td> <Td> 482 </Td> <Td> 3263.18 </Td> <Td> 2.9% </Td> <Td> </Td> </Tr> <Tr> <Td> Pakistan </Td> <Td> 5 </Td> <Td> </Td> <Td> 1318 </Td> <Td> 8108.93 </Td> <Td> 6.2% </Td> <Td> </Td> </Tr> <Tr> <Td> Romania </Td> <Td> </Td> <Td> 0 </Td> <Td> 1300 </Td> <Td> 10580.15 </Td> <Td> 17.6% </Td> <Td> </Td> </Tr> <Tr> <Td> Russia </Td> <Td> 35 </Td> <Td> 7 </Td> <Td> 26142 </Td> <Td> 190115.15 </Td> <Td> 17.8% </Td> <Td> </Td> </Tr> <Tr> <Td> Slovakia </Td> <Td> </Td> <Td> </Td> <Td> 1814 </Td> <Td> 14015.82 </Td> <Td> 54.0% </Td> <Td> </Td> </Tr> <Tr> <Td> Slovenia </Td> <Td> </Td> <Td> 0 </Td> <Td> 688 </Td> <Td> 5967.83 </Td> <Td> 39.1% </Td> <Td> </Td> </Tr> <Tr> <Td> South Africa </Td> <Td> </Td> <Td> 0 </Td> <Td> 1860 </Td> <Td> 15087.29 </Td> <Td> 6.7% </Td> <Td> </Td> </Tr> <Tr> <Td> Spain </Td> <Td> 7 </Td> <Td> 0 </Td> <Td> 7121 </Td> <Td> 55627.75 </Td> <Td> 21.2% </Td> <Td> </Td> </Tr> <Tr> <Td> Sweden </Td> <Td> 9 </Td> <Td> 0 </Td> <Td> 9102 </Td> <Td> 63062.89 </Td> <Td> 39.6% </Td> <Td> </Td> </Tr> <Tr> <Td> Switzerland </Td> <Td> 5 </Td> <Td> 0 </Td> <Td> 3333 </Td> <Td> 19590.70 </Td> <Td> 33.4% </Td> <Td> Phase - out planned </Td> </Tr> <Tr> <Td> Taiwan </Td> <Td> 6 </Td> <Td> </Td> <Td> 5052 </Td> <Td> 21560.47 </Td> <Td> 9.3% </Td> <Td> </Td> </Tr> <Tr> <Td> Turkey </Td> <Td> 0 </Td> <Td> </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> Ukraine </Td> <Td> 15 </Td> <Td> </Td> <Td> 13107 </Td> <Td> 80405.85 </Td> <Td> 55.1% </Td> <Td> </Td> </Tr> <Tr> <Td> United Arab Emirates </Td> <Td> 0 </Td> <Td> </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> United Kingdom </Td> <Td> 15 </Td> <Td> 0 </Td> <Td> 8918 </Td> <Td> 63886.83 </Td> <Td> 19.3% </Td> <Td> </Td> </Tr> <Tr> <Td> United States </Td> <Td> 99 </Td> <Td> </Td> <Td> 99952 </Td> <Td> 805647.33 </Td> <Td> 20.0% </Td> <Td> </Td> </Tr> <Tr> <Th> World total </Th> <Th> 451 </Th> <Th> 59 </Th> <Th> 394,054 MW </Th> <Th> 2,488 TWh </Th> <Th> </Th> <Th> </Th> </Tr> </Table> <Tr> <Th> Country </Th> <Th_colspan="2"> Reactors </Th> <Th> Capacity Net - total (MW) </Th> <Th> Generated electricity (GWh) </Th> <Th> Share of total electricity use </Th> <Th> Notes </Th> </Tr>

Where is nuclear energy found in the world
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