The world's nuclear fleet in 2007
In 2007, 445 nuclear reactors were operating in 32 countries, 380.5 GWe net, with 31 under construction. 2 of those units are not included in the net capacity because no net figure has been published for them.
Compared with 2006, the operating fleet grew by 3 reactors. 3 reactors were connected to the grid that year, 1,852 MWe: Tianwan 1-2 (China), Kaiga 3 (India) and Cernavodă 2 (Romania). 1 unit was permanently shut down, 515 MWe. The countries with the most operating capacity were United States (103,782 MWe), France (63,260 MWe) and Japan (47,635 MWe).
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Connected to the grid in 2007
| Unit | Country | Type | Model | MWe |
|---|---|---|---|---|
| Tianwan 1-2 | PWR | V-428 | 1,000 | |
| Kaiga 3 | PHWR | IPHWR-220 | 202 | |
| Cernavodă 2 | PHWR | CANDU 6 | 650 |
Shut down in 2007
| Unit | Country | Type | Model | MWe | Grid connection |
|---|---|---|---|---|---|
| Pickering A2 | PHWR | CANDU 500A | 515 | 1971 |
Countries by operating capacity in 2007
| # | Country | Reactors | MWe | Under construction |
|---|---|---|---|---|
| 1 | 104 | 103,782 | 1 | |
| 2 | 59 | 63,260 | 1 | |
| 3 | 56 | 47,635 | 2 | |
| 4 | 33 | 21,782 | 5 | |
| 5 | 17 | 20,496 | — | |
| 6 | 20 | 17,293 | 3 | |
| 7 | 21 | 14,894 | — | |
| 8 | 15 | 13,107 | 2 | |
| 9 | 19 | 10,337 | — | |
| 10 | 10 | 9,856 | — | |
| 11 | 11 | 8,798 | 5 | |
| 12 | 8 | 7,569 | — | |
| 13 | 7 | 5,922 | — | |
| 14 | 6 | 5,052 | — | |
| 15 | 6 | 3,972 | — | |
| 16 | 16 | 3,687 | 6 | |
| 17 | 5 | 3,346 | — | |
| 18 | 4 | 2,794 | 1 | |
| 19 | 5 | 2,276 | 2 | |
| 20 | 2 | 2,006 | — | |
| 21 | 4 | 1,916 | — | |
| 22 | 2 | 1,884 | — | |
| 23 | 2 | 1,854 | — | |
| 24 | 2 | 1,552 | — | |
| 25 | 2 | 1,300 | — | |
| 26 | 1 | 1,185 | — | |
| 27 | 2 | 943 | 1 | |
| 28 | 1 | 696 | — | |
| 29 | 1 | 482 | — | |
| 30 | 1 | 416 | — | |
| 31 | 2 | 390 | 1 | |
| 32 | 1 | 5 | — | |
| 33 | 0 | 0 | 1 | |
| 34 | 0 | 0 | — |
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.