The Outlook Report 2025 edition provides an up-to-date picture of the nuclear power sector, both for generation of electricity from reactors in operation today, and reactors currently under construction.
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Global results from the World Nuclear Performance Report
World Nuclear Performance Report
Opening remarks from our Director General, Sama Bilbao y León.
World Nuclear Performance Report
An overview of key global results.
World Nuclear Performance Report
It is time to build on nuclear's track record of excellent performance and significantly accelerate the pace of new nuclear construction.
Case studies
1359,1360,1361
Country results
World Nuclear Performance Report
Guidence on data use in this section
World Nuclear Performance Report
Argentina has two nuclear power plants: Atucha and Embalse.
World Nuclear Performance Report
Armenia has one nuclear power plant at Metsamor.
World Nuclear Performance Report
Two VVER-1200 units are under construction in Bangladesh.
World Nuclear Performance Report
Belarus has two VVER-1200 reactors, located at Ostrovets.
World Nuclear Performance Report
Belgium has two nuclear power plants: Doel, a four-unit plant and Tihange, a three-unit plant.
World Nuclear Performance Report
Brazil has two operating reactors with a combined capacity of 1884 MWe.
World Nuclear Performance Report
Bulgaria has one nuclear power plant, Kozloduy, with two operating VVER-1000 reactors,
World Nuclear Performance Report
Nineteen reactors operate at four plants in Canada, 18 of which are in Ontario at Bruce, Darlington and Pickering, and one in New Brunswick.
World Nuclear Performance Report
Mainland China has 56 operable reactors with a total capacity of 54 GWe.
World Nuclear Performance Report
Czechia has six operable reactors: two VVER-1000 units at Temelin, and four VVER-440 units at Dukovany.
World Nuclear Performance Report
Four VVER-1200 units are under construction in Egypt.
World Nuclear Performance Report
Finland has two nuclear power plants: Loviisa and Olkiluoto.
World Nuclear Performance Report
France has 56 operable reactors with a total capacity of 61.4 GWe.
World Nuclear Performance Report
Germany closed its last three reactors in April 2023.
World Nuclear Performance Report
Four VVER-440 reactors operate at the Paks nuclear power plant in Hungary.
World Nuclear Performance Report
India has 23 reactors at seven nuclear power plants located both inland and along the coast.
World Nuclear Performance Report
A single VVER-1000 unit is in operation in Iran.
World Nuclear Performance Report
Japan is proceeding with its plan to seek regulatory approval to restart many of its reactors.
World Nuclear Performance Report
Mexico has two operable nuclear reactors located on the east coast of the country.
World Nuclear Performance Report
One 485 MWe PWR operates at Borsselle, with plans for two more reactors.
World Nuclear Performance Report
Pakistan has six operating nuclear power reactors at two sites.
World Nuclear Performance Report
Two reactors at Cernavoda supply electricty and, in addition, district heating to the adjacent town of Cernavoda.
World Nuclear Performance Report
There are 36 operable reactors in Russia.
World Nuclear Performance Report
Slovakia has five operable nuclear reactors: two at Bohunice, and three at Mochovce.
World Nuclear Performance Report
Slovenia has a single reactor operating at Krško.
World Nuclear Performance Report
South Africa has a single nuclear power plant at Koeberg.
World Nuclear Performance Report
There are 26 reactors operating in South Korea, providing more than a quarter of the country's electricity.
World Nuclear Performance Report
Spain has seven operable nuclear reactors at five sites.
World Nuclear Performance Report
There are six reactors operating in three locations in Sweden.
World Nuclear Performance Report
Switzerland has four reactors that generate around a third of the country’s electricity.
World Nuclear Performance Report
Taiwan has one operable reactor that is expected to close in the first half of 2025.
World Nuclear Performance Report
The Akkuyu nuclear plant, under construction on Turkey's southern coast, will comprise four reactors.
World Nuclear Performance Report
Ukraine has 15 reactors. Six units at Zaporizhzhia – which is occupied by Russian military forces – are in cold shutdown.
World Nuclear Performance Report
The United Arab Emirates (UAE) has four operable nuclear power reactors at Barakah.
World Nuclear Performance Report
The UK has nine operable reactors at five sites; eight are advanced gas-cooled reactors (AGRs), with one pressurized water reactor (PWR) at Sizewell.
World Nuclear Performance Report
The USA has 94 operable reactors, the largest nuclear fleet of any single country.
Further Information
World Nuclear Performance Report
Definition of regional groupings
World Nuclear Performance Report
Explanations of initialisms, acronoyms and other abbreviations
World Nuclear Performance Report
Acknowledgements, definitions and assumptions.