Nuclear Power in the World Today

(Updated February 2015)

• The first commercial nuclear power stations started operation in the 1950s.
• There are over 435 commercial nuclear power reactors operable in 31 countries, with over 375,000 MWe of total capacity. About 70 more reactors are under construction.
• They provide over 11% of the world's electricity as continuous, reliable base-load power, without carbon dioxide emissions.
• 56 countries operate a total of about 240 research reactors and a further 180 nuclear reactors power some 140 ships and submarines.

http://www.world-nuclear.org/info/Current-and-Future-Generation/Nuclear-Power-in-the-World-Today/