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Nuclear power by country

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access-date=14 April 2013}}</ref> Positive numbers show the commissioned capacity for each year; negative numbers show the decommissioned capacity for each year.

Global status of nuclear deployment as of May 2025

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Nuclear Share of Electricity Generation in 2024

Nuclear power plants operate in 31 countries and generate about a tenth of the world's electricity. Most are in Europe, North America and East Asia. The United States is the largest producer of nuclear power, while France has the largest share of electricity generated by nuclear power, at about 65%.

Some countries operated nuclear reactors in the past but currently have no operating nuclear power plants. Among them, Italy closed all of its nuclear stations by 1990 and nuclear power has since been discontinued because of the 1987 referendums. Lithuania closed its RBMK reactor type nuclear station in 2009 for safety reasons. Kazakhstan phased out nuclear power in 1999 but is planning to reintroduce it possibly by 2035 under referendum. Germany operated nuclear plants since 1960 until the completion of its phaseout policy in 2023. Taiwan completed its phaseout policy in 2025. Austria (Zwentendorf Nuclear Power Plant) and the Philippines (Bataan Nuclear Power Plant) both built a nuclear plant but never put it in use.

Sweden and Belgium originally had phase-out policies however they have now moved away from their original plans. The Philippines relaunched their nuclear programme on February 28, 2022 and may try to operate the 1984 mothballed Bataan Plant.

As of 2020, Poland was in advanced planning phase for 1.5 GW and planned to have up to 9 GW by 2040. Hong Kong has no nuclear power plants within its boundary, but imports 80% of the electricity generated from Daya Bay Nuclear Power Station located across the border, in which the power company of the territory holds stake. In 2021, Iraq declared it was planning to build 8 nuclear reactors by 2030 to supply up to 25% electric power in a grid that was suffering from shortages.

Overview

Of the 31 countries in which nuclear power plants operate, only France, Slovakia, Belgium and Ukraine use them as the source for a majority of the country's electricity supply as of 2024. Other countries have significant amounts of nuclear power generation capacity. By far the largest nuclear electricity producers are the United States with 781,945 GWh of nuclear electricity in 2024, followed by China with 417,518 GWh. As of October 2025, 416 reactors with a net capacity of 376,261 MWe were operational, and 63 reactors with net capacity of 66,190 MWe were under construction. Of the reactors under construction, 29 reactors with 30,847 MWe were in China and 6 reactors with a capacity of 4,768 MWe were in India.

Country	Reactors	Capacity(MW)	Generation(GWh)	%total	Capacityfactor	In
use	Suspended	Being
built
****	416	23	62	379,000	2,617,530	8.48%	84.6%
Argentina	3	0	1	1,641	10,449	7.4%	72.5%
Armenia	1	0	0	416	2,629	30.8%	72.5%
Bangladesh	0	0	2	2,160
Belarus	2	0	0	2,220	14,735	36.3%	77%
Belgium	5	0	0	3,908	29,732	57.3%	86.9%
Brazil	2	0	1	1,884	14,862	2.3%	89.67%
Bulgaria	2	0	0	2,006	15,110	41.6%	85.1%
Canada	19	0	0	13,744	81,156	13.4%	68.2%
China	59	0	28	62,219	417,518	4.81%	90.8%
Czech Republic	6	0	0	3,963	28,049	40.2%	81.4%
Egypt	0	0	4	4,400
Finland	5	0	0	4,369	31,128	39.1%	84.1%
France	57	0	0	63,000	364,390	67.3%	74.2%
Hungary	4	0	0	1,916	15,163	47.1%	90.6%
India	20	4	6	6,920	49,910	3.3%	84.4%
Iran	1	0	1	915	6,439	1.7%	78.7%
Japan	14	19	2	31,679	84,887	10.0%	33.0%
Mexico	2	0	0	1,552	11,978	4.8%	90.8%
Netherlands	1	0	0	482	3,385	2.8%	80.3%
Pakistan	6	0	1	3,262	22,783	16.7%	86.4%
Romania	2	0	0	1,300	10,044	19.8%	90.7%
Russia	37	0	4	27,727	202,104	17.8%	85.3%
Slovakia	5	0	1	2,302	16,958	60.6%	87.8%
Slovenia	1	0	0	696	5,551	35%	91.1%
South Africa	2	0	0	1,854	7,835	3.9%	47.6%
South Korea	26	0	2	25,609	179,407	31.7%	79.6%
Spain	7	0	0	7,123	52,129	19.9%	88.5%
Sweden	6	0	0	7,008	48,697	29.1%	82.5%
Switzerland	4	0	0	2,973	23,033	28.6%	89.3%
Turkey	0	0	4	4,456
Ukraine	15	0	2	13,107	81,126	55.0%	71%
United Arab Emirates	4	0	0	5,348	36,504	21.8%	89.5%
United Kingdom	9	0	2	5,883	37,295	12.3%	72.7%
United States	94	0	0	96,952	781,945	18.2%	92.5%

Notes

References

"Share of electricity production from nuclear".
(13 April 2013). "Operational & Long-Term Shutdown Reactors". IAEA.
"Nuclear Share of Electricity Generation in 2024". IAEA.
"Nuclear Power in France {{!}} French Nuclear Energy - World Nuclear Association".
(2022-08-09). "Kazakhstan chooses site for second NPP". Nuclear Engineering International.
"Philippines relaunches nuclear energy programme : Nuclear Policies - World Nuclear News".
"Sweden Reverses Nuclear Phase-out Policy".
Wilczek, Maria. (2020-06-16). "Construction of Poland's first nuclear power plant to begin in 2026".
"Hong Kong fallout from China's reckless nuclear ambitions".
(7 February 2014). "CLP to increase nuclear power imports 10pc".
(15 June 2021). "Iraq hopes to build 8 nuclear power reactors by 2030".
"PRIS - Reactor status reports - In Operation & Suspended Operation - By Country".
"PRIS - Reactor status reports - Under Construction - By Country".

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