South Korea
Canada
TOP 10
05
South Korea
Net capacity of 23.2 GWe
24 Nuclear reactors
06
Canada
Net capacity of 14.6 GWe
19 Nuclear reactors
Canada has 19 operable nuclear reactors , with a combined net capacity of 13.6 GWe . In 2020 , nuclear generated 14.6 % of the country ' s electricity . All but one of the country ' s 19 nuclear reactors are sited in Ontario . Ten of those units – six at Bruce and four at Darlington – are to undergo refurbishment . The programme will extend the operating lifetimes by 30-35 years . Similar refurbishment work enabled Ontario to phase out coal in 2014 , achieving one of the cleanest electricity mixes in the world .
South Korea has 24 operable nuclear reactors , with a combined net capacity of 23.2 GWe . In 2020 , nuclear generated 29.6 % of the country ' s electricity . The Asian country has four new reactors under construction domestically as well as four in the UAE . It plans two more , after which energy policy is uncertain . It is also involved in intense research on future reactor designs .
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