The world's nuclear fleet in 2016
In 2016, 462 nuclear reactors were operating in 35 countries, 393 GWe net, with 60 under construction.
Compared with 2015, the operating fleet grew by 8 reactors. 10 reactors were connected to the grid that year, 9,654 MWe, mostly in China (5), India (1) and Pakistan (1). 4 units were permanently shut down, 2,043 MWe. The countries with the most operating capacity were United States (100,311 MWe), France (63,178 MWe) and Japan (41,383 MWe).
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Connected to the grid in 2016
| Unit | Country | Type | Model | MWe |
|---|---|---|---|---|
| Changjiang 2 |  China | PWR | CNP-600 | 601 |
| Fangchenggang 1-2 | China | PWR | CPR-1000 | 1,000 |
| Fuqing 3 | China | PWR | CPR-1000 | 1,000 |
| Hongyanhe 1-4 | China | PWR | CPR-1000 | 1,061 |
| Ningde 1-4 | China | PWR | CPR-1000 | 1,089 |
| Kudankulam 2 |  India | PWR | VVER V-412 | 932 |
| Chashma 3 |  Pakistan | PWR | CNP-300 | 315 |
| Novovoronezh 2-1 |  Russia | PWR | VVER V-392M | 1,100 |
| Saeul 1 |  South Korea | PWR | APR-1400 | 1,392 |
| Watts Bar 2 |  United States | PWR | WH 4-Loop (ICECOND) | 1,164 |
Shut down in 2016
| Unit | Country | Type | Model | MWe | Grid connection |
|---|---|---|---|---|---|
| Ikata 1 |  Japan | PWR | Mitsubishi (2-loop) | 538 | 1977 |
| Novovoronezh 1-3 | Russia | PWR | VVER V-179 | 385 | 1971 |
| Oskarshamn 2 |  Sweden | BWR | ASEA-II | 638 | 1974 |
| Fort Calhoun 1 | United States | PWR | CE 2-loop (WET) | 482 | 1973 |
Countries by operating capacity in 2016
| # | Country | Reactors | MWe | Under construction |
|---|---|---|---|---|
| 1 | United States | 104 | 100,311 | 4 |
| 2 |  France | 59 | 63,178 | 1 |
| 3 | Japan | 44 | 41,383 | 2 |
| 4 | China | 35 | 31,842 | 21 |
| 5 | Russia | 39 | 25,718 | 7 |
| 6 | South Korea | 25 | 22,609 | 3 |
| 7 |  Canada | 19 | 13,744 | 1 |
| 8 |  Ukraine | 15 | 13,107 | 2 |
| 9 |  Germany | 8 | 10,799 | — |
| 10 | Sweden | 9 | 9,214 | — |
| 11 |  United Kingdom | 15 | 8,923 | — |
| 12 |  Spain | 8 | 7,569 | — |
| 13 |  Belgium | 7 | 5,922 | — |
| 14 | India | 21 | 5,367 | 5 |
| 15 |  Taiwan | 6 | 5,052 | — |
| 16 |  Czech Republic | 6 | 3,963 | — |
| 17 |  Switzerland | 5 | 3,346 | — |
| 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 |  Romania | 2 | 1,300 | — |
| 27 | Pakistan | 4 | 1,005 | 3 |
| 28 |  Iran | 1 | 915 | — |
| 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 |  Belarus | 0 | 0 | 2 |
| 37 |  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.
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