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10.1% of global electricity is generated from Nuclear

What is Nuclear?

Nuclear power is the use of nuclear reactions that release nuclear energy to generate heat. The heat is used to turn a steam turbine, which turns a generator which makes electricity. Most electricity from nuclear power is produced by nuclear fission of uranium and plutonium.


Is Nuclear a low-carbon energy source?

Yes, due to its relatively low lifecycle emissions, Nuclear is considered to be a low-carbon energy source.

The median estimate of lifecycle emissions from Nuclear is 12 gCO2eq / kWh. This is based on the Technology-specific Cost and Performance Parameters report from the IPCC.

Wind11 gCO2eq / kWhLow-carbon
Nuclear12 gCO2eq / kWhLow-carbon
Hydropower24 gCO2eq / kWhLow-carbon
Geothermal38 gCO2eq / kWhLow-carbon
Solar45 gCO2eq / kWhLow-carbon
Biofuels230 gCO2eq / kWhLow-carbon
Gas490 gCO2eq / kWhHigh-carbon / fossil fuel
Oil650 gCO2eq / kWhHigh-carbon / fossil fuel
Coal820 gCO2eq / kWhHigh-carbon / fossil fuel

Nuclear compared to other low-carbon energy electricity sources

Most significant producers of electricity from Nuclear

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Significant changes of low-carbon power due to Nuclear

Region Years Change
Lithuania 2009 → 2010 79.8 → 14.2%
Japan 2010 → 2012 34.5 → 11.7%
Belgium 2015 → 2019 44.9 → 66.6%
Slovakia 1997 → 2002 52.5 → 72.7%
Czechia 2000 → 2013 22.4 → 47%
Hungary 2003 → 2009 27.5 → 44%
Bulgaria 1992 → 2002 35.5 → 53.7%
South Korea 1994 → 1999 33.3 → 46%