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Nuclear electricity production worldwide 1985-2019

Global nuclear power generation reached 2,586 terawatt-hours in 2019. In 2011 and 2012, global generation experienced a drop, but has steadily increased since then. Following the Fukushima nuclear disaster in Japan in March 2011, many countries such as Germany and Switzerland, vowed to phase-out nuclear power for energy production. However, by 2018 generation levels had almost increased to pre-Fukushima levels, reaching 2.56 petawatt hours that year, although, some countries still remain staunchly opposed to building nuclear power facilities. Overall, more nuclear power reactors have shut down in recent years , despite an increase in nuclear capacity.

Largest consumers of nuclear energy

Consumption of nuclear power varies widely across the world with the United States and France making up approximately 46 percent of the world’s global nuclear consumption. Many reactors in the United States had begun construction by 1974, but little changed until the 2010s where new reactors were approved for construction. The vast majority of nuclear power reactors in the United States are at least 30 years old. In France, nuclear power is the largest source of electricity. However, due to its reliance on electric heating, sudden increases in electricity demand such as during cold winters, France becomes a net importer of electricity.

Global nuclear power generation from 1985 to 2019

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Release date

July 2020



Survey time period

1985 to 2019

Supplementary notes

The figures for 2011 to 2014 are taken from previous editions.

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Statistics on "Global nuclear energy"

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