The world's nuclear fleet in 2019
In 2019, 456 nuclear reactors were operating in 35 countries, 395.4 GWe net, with 55 under construction.
Compared with 2018, the operating fleet shrank by 8 reactors. 6 reactors were connected to the grid that year, 5,217 MWe, mostly in Russia (3), China (2) and South Korea (1). 13 units were permanently shut down, 10,212 MWe. The countries with the most operating capacity were United States (98,180 MWe), France (63,178 MWe) and China (45,936 MWe).
← Previous year, 2018 · Next year, 2020 → · See this year on the map · Today's rankings
Connected to the grid in 2019
| Unit | Country | Type | Model | MWe |
|---|---|---|---|---|
| Taishan 1-2 |  China | PWR | EPR-1750 | 1,660 |
| Yangjiang 6 | China | PWR | ACPR-1000 | 1,000 |
| Akademik Lomonosov 1 |  Russia | PWR | KLT-40S | 32 |
| Akademik Lomonosov 2 | Russia | PWR | KLT-40S | 32 |
| Novovoronezh 2-2 | Russia | PWR | VVER V-392M | 1,101 |
| Saeul 2 |  South Korea | PWR | APR-1400 | 1,392 |
Shut down in 2019
| Unit | Country | Type | Model | MWe | Grid connection |
|---|---|---|---|---|---|
| Philippsburg 2 |  Germany | PWR | KWU | 1,402 | 1984 |
| Fukushima Daini 1 |  Japan | BWR | BWR-5 | 1,067 | 1981 |
| Fukushima Daini 2 | Japan | BWR | BWR-5 | 1,067 | 1983 |
| Fukushima Daini 3 | Japan | BWR | BWR-5 | 1,067 | 1984 |
| Fukushima Daini 4 | Japan | BWR | BWR-5 | 1,067 | 1986 |
| Genkai 2 | Japan | PWR | Mitsubishi (2-loop) | 529 | 1980 |
| Bilibino 1 | Russia | LWGR | EGP-6 | 11 | 1974 |
| Wolsong 1 | South Korea | PHWR | CANDU-6 | 661 | 1982 |
| Ringhals 2 |  Sweden | PWR | WH 3-loops | 852 | 1974 |
| Muehleberg 1 |  Switzerland | BWR | BWR-4 | 373 | 1971 |
| Jinshan 2 |  Taiwan | BWR | BWR-4 | 604 | 1978 |
| Pilgrim 1 |  United States | BWR | BWR-3 (WET) | 677 | 1972 |
| Three Mile Island 1 | United States | PWR | B & W (DRY) | 835 | 1974 |
Countries by operating capacity in 2019
| # | Country | Reactors | MWe | Under construction |
|---|---|---|---|---|
| 1 | United States | 101 | 98,180 | 4 |
| 2 |  France | 59 | 63,178 | 1 |
| 3 | China | 47 | 45,936 | 11 |
| 4 | Japan | 34 | 33,064 | 2 |
| 5 | Russia | 41 | 29,063 | 5 |
| 6 | South Korea | 24 | 22,764 | 4 |
| 7 |  Canada | 19 | 13,744 | 1 |
| 8 |  Ukraine | 15 | 13,107 | 2 |
| 9 |  United Kingdom | 15 | 8,923 | 2 |
| 10 | Germany | 6 | 8,113 | — |
| 11 | Sweden | 7 | 7,889 | — |
| 12 |  Spain | 7 | 7,123 | — |
| 13 |  India | 22 | 6,299 | 6 |
| 14 |  Belgium | 7 | 5,922 | — |
| 15 |  Czech Republic | 6 | 3,963 | — |
| 16 | Taiwan | 4 | 3,844 | — |
| 17 | Switzerland | 4 | 2,973 | — |
| 18 |  Finland | 4 | 2,794 | 1 |
| 19 |  Bulgaria | 2 | 2,006 | — |
| 20 |  Hungary | 4 | 1,916 | — |
| 21 |  Brazil | 2 | 1,884 | 1 |
| 22 |  Slovakia | 4 | 1,868 | 2 |
| 23 |  South Africa | 2 | 1,854 | — |
| 24 |  Argentina | 3 | 1,641 | 1 |
| 25 |  Mexico | 2 | 1,552 | — |
| 26 |  Pakistan | 5 | 1,318 | 2 |
| 27 |  Romania | 2 | 1,300 | — |
| 28 |  Iran | 1 | 915 | 1 |
| 29 |  Slovenia | 1 | 696 | — |
| 30 |  Philippines | 1 | 621 | — |
| 31 |  Netherlands | 1 | 482 | — |
| 32 |  Armenia | 1 | 416 | — |
| 33 | Puerto Rico | 1 | 18 | — |
| 34 | Panama | 1 | 10 | — |
| 35 |  North Korea | 1 | 5 | — |
| 36 |  Bangladesh | 0 | 0 | 2 |
| 37 |  Belarus | 0 | 0 | 2 |
| 38 |  Türkiye | 0 | 0 | 1 |
| 39 |  United Arab Emirates | 0 | 0 | 4 |
Data: Global Energy Monitor (CC BY 4.0), IAEA PRIS 2025, Wikipedia (CC BY-SA), Wikidata and Wikimedia Commons. Capacities in net MWe unless stated.
Other years
1955 · 1960 · 1965 · 1970 · 1975 · 1980 · 1985 · 1990 · 1995 · 2000 · 2005 · 2010 · 2015 · 2020 · 2025 · 2026