Nuclear Energy Around the World

As of September 2009, 30 countries worldwide were operating 436 nuclear reactors for electricity generation and 53 new nuclear plants were under construction in 14 countries.

• World Nuclear Power Plants in Operation
• World Nuclear Generation and Capacity
• Nuclear Units Under Construction Worldwide

Nuclear power plants provided about 14 percent of the world's electricity production in 2008. In total, 15 countries relied on nuclear energy to supply at least one-quarter of their total electricity. Countries generating the largest percentage of their electricity in 2008 from nuclear energy were:

Country	Percent
France	76.2
Lithuania	72.9
Slovakia	56.4
Belgium	53.8
Ukraine	47.4
Sweden	42.0
Slovenia	41.7
Armenia	39.4
Switzerland	39.2
Hungary	37.2
S. Korea	35.6
Bulgaria	32.9