List of commercial nuclear reactors
This is a list of all the commercial nuclear reactors in the world, sorted by country, with operational status. The list only includes civilian nuclear power reactors used to generate electricity for a power grid. All commercial nuclear reactors use nuclear fission. As of May 2025, there are 439 operable power reactors in the world, with a combined electrical capacity of 397.7 GW. Additionally, there are 68 reactors under construction and 108 reactors planned, with a combined capacity of 74 GW and 103 GW, respectively, while 359 more reactors are proposed. For non-power reactors, see List of nuclear research reactors. For fuel plants see List of nuclear reprocessing plants. Where not otherwise specified, all information is sourced from the Power Reactor Information System of the International Atomic Energy Agency.
In the following tables, the capacity refers to the net capacity, or the maximum electricity output under reference ambient conditions, after deducting the losses within the system including the energy transformers.
Argentina
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Atucha | 1 | PHWR | Siemens-KWU | 362 | ||||
| Atucha | 2 | PHWR | Siemens-KWU | 745 | ||||
| Atucha | 3 | PWR | Hualong One | 1200 | ||||
| Embalse | 1 | PHWR | CANDU-6 | 683 | ||||
| CAREM | 1 | PWR | CAREM25 | 25 |
Armenia
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Metsamor | 1 | PWR | VVER-440/V-270 | 376 | ||||
| Metsamor | 2 | PWR | VVER-440/V-270 | 375 |
Austria
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Zwentendorf | 1 | BWR | BWR-69 | 878 | Apr 1972 |
Bangladesh
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Rooppur | 1 | PWR | VVER-1200/V-523 | 1080 | ||||
| Rooppur | 2 | PWR | VVER-1200/V-523 | 1080 |
Belarus
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Ostrovets | 1 | PWR | VVER-1200/V-491 | 1109 | 10 Jun 2021 | |||
| Ostrovets | 2 | PWR | VVER-1200/V-491 | 1109 | ||||
| Minsk | 1 | PWR | VVER-1000 | 963 | ||||
| Minsk | 2 | PWR | VVER-1000 | 963 |
Belgium
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| SCK•CEN | 1 | PWR | Westinghouse BR-3 | 10 | ||||
| Doel | 1 | PWR | WH 2 loops | 445 | ||||
| Doel | 2 | PWR | WH 2 loops | 445 | ||||
| Doel | 3 | PWR | Framatome 3 loops | 1006 | ||||
| Doel | 4 | PWR | Belgian firms plus WH 3 loops | 1039 | ||||
| Tihange | 1 | PWR | Framatome 3 loops | 962 | ||||
| Tihange | 2 | PWR | Framatome 3 loops | 1008 | ||||
| Tihange | 3 | PWR | Belgian firms plus WH 3 loops | 1046 |
Brazil
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Angra | 1 | PWR | WH 2 loops | 609 | ||||
| Angra | 2 | PWR | Pre-Konvoi | 1275 | ||||
| Angra | 3 | PWR | Pre-Konvoi | 1245 |
Bulgaria
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Kozloduy | 1 | PWR | VVER-440/V-230 | 408 | ||||
| Kozloduy | 2 | PWR | VVER-440/V-230 | 408 | ||||
| Kozloduy | 3 | PWR | VVER-440/V-230 | 408 | ||||
| Kozloduy | 4 | PWR | VVER-440/V-230 | 408 | ||||
| Kozloduy | 5 | PWR | VVER-1000/V-320 | 1003 | ||||
| Kozloduy | 6 | PWR | VVER-1000/V-320 | 1003 | ||||
| Kozloduy | 7 | PWR | AP1000 | 1150 | ||||
| Kozloduy | 8 | PWR | AP1000 | 1150 | ||||
| Belene | 1 | PWR | VVER-1000/V-320 VVER-1000/V-446B | 953 1011 | 1987 2008 | |||
| Belene | 2 | PWR | VVER-1000/V-320 VVER-1000/V-446B | 953 1011 | 1987 2008 |
Canada
| Plant name | Unit No. | Type | Model | Status | Capacity | Begin building | Commercial operation | Closed |
| Pickering | 1 | PHWR | CANDU 500A | 515 | ||||
| Pickering | 2 | PHWR | CANDU 500A | 515 | ||||
| Pickering | 3 | PHWR | CANDU 500A | 515 | ||||
| Pickering | 4 | PHWR | CANDU 500A | 515 | ||||
| Pickering | 5 | PHWR | CANDU 500B | 516 | ||||
| Pickering | 6 | PHWR | CANDU 500B | 516 | ||||
| Pickering | 7 | PHWR | CANDU 500B | 516 | ||||
| Pickering | 8 | PHWR | CANDU 500B | 516 | ||||
| Darlington | 1 | PHWR | CANDU 850 | 878 | ||||
| Darlington | 2 | PHWR | CANDU 850 | 878 | ||||
| Darlington | 3 | PHWR | CANDU 850 | 878 | ||||
| Darlington | 4 | PHWR | CANDU 850 | 878 | ||||
| Darlington | 5 | BWR | BWRX-300 | 300 | 8 May 2025 | |||
| Darlington | 6 | BWR | BWRX-300 | 300 | ||||
| Darlington | 7 | BWR | BWRX-300 | 300 | ||||
| Darlington | 8 | BWR | BWRX-300 | 300 | ||||
| Bruce | 1 | PHWR | CANDU 791 | 823 | ||||
| Bruce | 2 | PHWR | CANDU 791 | 823 | ||||
| Bruce | 3 | PHWR | CANDU 750A | 817 | ||||
| Bruce | 4 | PHWR | CANDU 750A | 817 | ||||
| Bruce | 5 | PHWR | CANDU 750B | 817 | ||||
| Bruce | 6 | PHWR | CANDU 750B | 880 | ||||
| Bruce | 7 | PHWR | CANDU 750B | 817 | ||||
| Bruce | 8 | PHWR | CANDU 750B | 817 | ||||
| NPD | 1 | PHWR | CANDU | 19 | ||||
| Douglas Point | 1 | PHWR | CANDU 200 | 200 | ||||
| Gentilly | 1 | BWR | CANDU BLWR 250 | 250 | ||||
| Gentilly | 2 | PHWR | CANDU-6 | 635 | ||||
| Point Lepreau | 1 | PHWR | CANDU-6 | 635 |