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Nuclear Energy in the World

According to the International Atomic Energy Agency, there are 443 nuclear power plants in operation in 2006, with a total net installed capacity of 369.56 gigawatts [GW(e)]. Additionally, another 25 nuclear power plants are under construction around the world.

Ten Largest Consumers of Nuclear Power in 2003
Country No. Units Total Megawatts
USA 109 99,784
France 56 58,493
Japan 59 38,875
Germany 21 22,657
Russian Federation 29 19,843
Canada 22 15,755
Ukraine 15 12,679
United Kingdom 12 11,720
Sweden 12 10,002
Republic of Korea 10 8,170
Total 335 297,978
World Total in 2003 432 340,347

Source: International Atomic Energy Agency

Installed Nuclear Power Generation by Country
As a percentage of total electricity generation
Country Percent
France 78.1
Lithuania 72.1
Slovakia 55.2
Belgium 55.1
Sweden 51.8
Ukraine 51.1
Bulgaria 41.6
Slovenia 40.4
South Korea 40.0
Switzerland 39.7
Armenia 38.8
Hungary 33.8
Germany 32.1
Czech Republic 31.2
Japan 29.3
Finland 26.6
Spain 22.9
United States 19.9
United Kingdom 19.4
Russia 15.6
Canada 15.0
Romania 10.1
Argentina 8.2
South Africa 6.6
Mexico 5.2
Netherlands 3.8
Brazil 3.0
India 2.8
Pakistan 2.4
China 2.2

Source: International Atomic Energy Agency, Reference Data Series 2.
"Power Reactor Information System," website: www.iaea.org/programmes/a2/ (June 2005).