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Field Listing

Nuclear energy

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This field describes nuclear energy used for production of electricity. The information covers all countries with operational nuclear reactors that are used to produce electricity; the information does not include research reactors. Subfields include the current number of operational nuclear reactors, the number of nuclear reactors under construction, the net capacity of operational nuclear reactors expressed in gigawatts (GW), the percent of total electricity production from nuclear energy, the percent of total energy produced from nuclear energy, and the number of nuclear reactors permanently shut down. Watts are a measure of power, describing the rate at which electricity is being used at a specific moment. A gigawatt is 1 billion watts.

Argentina

Number of operational nuclear reactors: 3 (2023)

Number of nuclear reactors under construction: 1 (2023)

Net capacity of operational nuclear reactors: 1.64GW (2023 est.)

Percent of total electricity production: 6.3% (2023 est.)

Armenia

Number of operational nuclear reactors: 1 (2023)

Net capacity of operational nuclear reactors: 0.42GW (2023 est.)

Percent of total electricity production: 31.1% (2023 est.)

Number of nuclear reactors permanently shut down: 1 (2023)

Bangladesh

Number of nuclear reactors under construction: 2 (2023)

Belarus

Number of operational nuclear reactors: 2 (2023)

Net capacity of operational nuclear reactors: 2.22GW (2023 est.)

Percent of total electricity production: 28.6% (2023 est.)

Belgium

Number of operational nuclear reactors: 5 (2023)

Net capacity of operational nuclear reactors: 3.91GW (2023 est.)

Percent of total electricity production: 41.2% (2023 est.)

Number of nuclear reactors permanently shut down: 3 (2023)

Brazil

Number of operational nuclear reactors: 2 (2023)

Number of nuclear reactors under construction: 1 (2023)

Net capacity of operational nuclear reactors: 1.88GW (2023 est.)

Percent of total electricity production: 2.2% (2023 est.)

Bulgaria

Number of operational nuclear reactors: 2 (2023)

Net capacity of operational nuclear reactors: 2.01GW (2023 est.)

Percent of total electricity production: 40.3% (2023 est.)

Number of nuclear reactors permanently shut down: 4 (2023)

Canada

Number of operational nuclear reactors: 19 (2023)

Net capacity of operational nuclear reactors: 13.7GW (2023 est.)

Percent of total electricity production: 13.7% (2023 est.)

Number of nuclear reactors permanently shut down: 6 (2023)

China

Number of operational nuclear reactors: 56 (2023)

Number of nuclear reactors under construction: 25 (2023)

Net capacity of operational nuclear reactors: 54.15GW (2023 est.)

Percent of total electricity production: 4.9% (2023 est.)

Czechia

Number of operational nuclear reactors: 6 (2023)

Net capacity of operational nuclear reactors: 3.93GW (2023 est.)

Percent of total electricity production: 40% (2023 est.)

Egypt

Number of nuclear reactors under construction: 4 (2023)

Finland

Number of operational nuclear reactors: 5 (2023)

Net capacity of operational nuclear reactors: 4.93GW (2023 est.)

Percent of total electricity production: 42% (2023 est.)

France

Number of operational nuclear reactors: 56 (2023)

Number of nuclear reactors under construction: 1 (2023)

Net capacity of operational nuclear reactors: 61.37GW (2023 est.)

Percent of total electricity production: 64.8% (2023 est.)

Number of nuclear reactors permanently shut down: 14 (2023)

Germany

Percent of total electricity production: 1.4% (2023 est.)

Number of nuclear reactors permanently shut down: 33 (2023)

Hungary

Number of operational nuclear reactors: 4 (2023)

Net capacity of operational nuclear reactors: 1.92GW (2023 est.)

Percent of total electricity production: 48.8% (2023 est.)

India

Number of operational nuclear reactors: 20 (2023)

Number of nuclear reactors under construction: 7 (2023)

Net capacity of operational nuclear reactors: 6.92GW (2023 est.)

Percent of total electricity production: 3.1% (2023 est.)

Iran

Number of operational nuclear reactors: 1 (2023)

Number of nuclear reactors under construction: 1 (2023)

Net capacity of operational nuclear reactors: 0.92GW (2023 est.)

Percent of total electricity production: 1.7% (2023 est.)

Italy

Number of nuclear reactors permanently shut down: 4 (2023)

Japan

Number of operational nuclear reactors: 12 (2023)

Number of nuclear reactors under construction: 2 (2023)

Net capacity of operational nuclear reactors: 11.05GW (2023 est.)

Percent of total electricity production: 5.5% (2023 est.)

Number of nuclear reactors permanently shut down: 27 (2023)

Kazakhstan

Number of nuclear reactors permanently shut down: 1 (2023)

Korea, South

Number of operational nuclear reactors: 26 (2023)

Number of nuclear reactors under construction: 2 (2023)

Net capacity of operational nuclear reactors: 25.83GW (2023 est.)

Percent of total electricity production: 31.5% (2023 est.)

Number of nuclear reactors permanently shut down: 2 (2023)

Lithuania

Number of nuclear reactors permanently shut down: 2 (2023)

Mexico

Number of operational nuclear reactors: 2 (2023)

Net capacity of operational nuclear reactors: 1.55GW (2023 est.)

Percent of total electricity production: 4.9% (2023 est.)

Netherlands

Number of operational nuclear reactors: 1 (2023)

Net capacity of operational nuclear reactors: 0.48GW (2023 est.)

Percent of total electricity production: 3.4% (2023 est.)

Number of nuclear reactors permanently shut down: 1 (2023)

Pakistan

Number of operational nuclear reactors: 6 (2023)

Net capacity of operational nuclear reactors: 3.26GW (2023 est.)

Percent of total electricity production: 17.4% (2023 est.)

Number of nuclear reactors permanently shut down: 1 (2023)

Romania

Number of operational nuclear reactors: 2 (2023)

Net capacity of operational nuclear reactors: 1.3GW (2023 est.)

Percent of total electricity production: 18.9% (2023 est.)

Russia

Number of operational nuclear reactors: 36 (2023)

Number of nuclear reactors under construction: 4 (2023)

Net capacity of operational nuclear reactors: 26.8GW (2023 est.)

Percent of total electricity production: 18.4% (2023 est.)

Number of nuclear reactors permanently shut down: 11 (2023)

Slovakia

Number of operational nuclear reactors: 5 (2023)

Number of nuclear reactors under construction: 1 (2023)

Net capacity of operational nuclear reactors: 2.31GW (2023 est.)

Percent of total electricity production: 61.3% (2023 est.)

Number of nuclear reactors permanently shut down: 3 (2023)

Slovenia

Number of operational nuclear reactors: 1 (2023)

Net capacity of operational nuclear reactors: 0.69GW (2023 est.)

Percent of total electricity production: 36.8% (2023 est.)

South Africa

Number of operational nuclear reactors: 2 (2023)

Net capacity of operational nuclear reactors: 1.85GW (2023 est.)

Percent of total electricity production: 4.4% (2023 est.)

Spain

Number of operational nuclear reactors: 7 (2023)

Net capacity of operational nuclear reactors: 7.12GW (2023 est.)

Percent of total electricity production: 20.3% (2023 est.)

Number of nuclear reactors permanently shut down: 3 (2023)

Sweden

Number of operational nuclear reactors: 6 (2023)

Net capacity of operational nuclear reactors: 6.94GW (2023 est.)

Percent of total electricity production: 28.6% (2023 est.)

Number of nuclear reactors permanently shut down: 7 (2023)

Switzerland

Number of operational nuclear reactors: 4 (2023)

Net capacity of operational nuclear reactors: 2.97GW (2023 est.)

Percent of total electricity production: 32.4% (2023 est.)

Number of nuclear reactors permanently shut down: 2 (2023)

Taiwan

Number of operational nuclear reactors: 2 (2023)

Number of nuclear reactors under construction: 0

Net capacity of operational nuclear reactors: 1.87GW (2023)

Percent of total electricity production: 11% (2021)

Number of nuclear reactors permanently shut down: 2

Turkey (Turkiye)

Number of nuclear reactors under construction: 4 (2023)

Ukraine

Number of operational nuclear reactors: 15 (2023)

Number of nuclear reactors under construction: 2 (2023)

Net capacity of operational nuclear reactors: 13.11GW (2023 est.)

Percent of total electricity production: 55% (2023 est.)

Number of nuclear reactors permanently shut down: 4 (2023)

United Arab Emirates

Number of operational nuclear reactors: 4 (2023)

Net capacity of operational nuclear reactors: 5.32GW (2023 est.)

Percent of total electricity production: 19.7% (2023 est.)

United Kingdom

Number of operational nuclear reactors: 9 (2023)

Number of nuclear reactors under construction: 2 (2023)

Net capacity of operational nuclear reactors: 5.88GW (2023 est.)

Percent of total electricity production: 12.5% (2023 est.)

Number of nuclear reactors permanently shut down: 36 (2023)

United States

Number of operational nuclear reactors: 94 (2023)

Net capacity of operational nuclear reactors: 96.95GW (2023 est.)

Percent of total electricity production: 18.5% (2023 est.)

Number of nuclear reactors permanently shut down: 41 (2023)

World

Number of operational nuclear reactors: 416 (2023)

Number of nuclear reactors under construction: 59

Net capacity of operational nuclear reactors: 374.67GW (2023)