The world's nuclear fleet in 1981
In 1981, 268 nuclear reactors were operating in 26 countries, 151 GWe net, with 191 under construction.
Compared with 1980, the operating fleet grew by 24 reactors. 23 reactors were connected to the grid that year, 20,928 MWe, mostly in France (8), United States (4) and Japan (2). 1 unit was permanently shut down, 24 MWe. Slovenia connected its first nuclear reactor in 1981. The countries with the most operating capacity were United States (58,712 MWe), France (19,597 MWe) and Japan (14,957 MWe).
← Previous year, 1980 · Next year, 1982 → · See this year on the map · Today's rankings
Connected to the grid in 1981
| Unit | Country | Type | Model | MWe |
|---|---|---|---|---|
| Blayais 1 | PWR | CP1 | 910 | |
| Dampierre 3 | PWR | CP1 | 890 | |
| Dampierre 4 | PWR | CP1 | 890 | |
| Gravelines 4 | PWR | CP1 | 910 | |
| Saint-Laurent B-1 | PWR | CP2 | 915 | |
| Saint-Laurent B-2 | PWR | CP2 | 915 | |
| Tricastin 3 | PWR | CP1 | 915 | |
| Tricastin 4 | PWR | CP1 | 915 | |
| Grafenrheinfeld | PWR | KWU | 1,275 | |
| Fukushima Daini 1 | BWR | BWR-5 | 1,067 | |
| Ikata 2 | PWR | Mitsubishi (2-loop) | 538 | |
| Kola 1-3 | PWR | VVER V-213 | 411 | |
| Leningrad 1-4 | LWGR | RBMK-1000 | 925 | |
| Krško 1 | PWR | WH 2 loops | 696 | |
| Almaraz 1 | PWR | WH 3 loops | 1,011 | |
| Forsmark 2 | BWR | ASEA-III, BWR-2500 | 1,121 | |
| Kuosheng 1 | BWR | BWR-6 | 985 | |
| Chernobyl 3 | LWGR | RBMK-1000 | 925 | |
| Rivne 2 | PWR | VVER V-213 | 376 | |
| Joseph M Farley 2 | PWR | WH 3-Loop (DRY) | 883 | |
| McGuire 1 | PWR | WH 4-Loop (ICECOND) | 1,158 | |
| Salem 2 | PWR | WH 4-loop (DRY) | 1,158 | |
| Sequoyah 2 | PWR | WH 4-Loop (ICECOND) | 1,139 |
Shut down in 1981
| Unit | Country | Type | Model | MWe | Grid connection |
|---|---|---|---|---|---|
| Windscale AGR | GCR | AGR | 24 | 1963 |
Countries by operating capacity in 1981
| # | Country | Reactors | MWe | Under construction |
|---|---|---|---|---|
| 1 | 77 | 58,712 | 47 | |
| 2 | 29 | 19,597 | 29 | |
| 3 | 23 | 14,957 | 11 | |
| 4 | 19 | 10,488 | 10 | |
| 5 | 26 | 10,083 | 10 | |
| 6 | 9 | 7,350 | 3 | |
| 7 | 32 | 6,664 | 10 | |
| 8 | 10 | 5,498 | 11 | |
| 9 | 3 | 2,193 | 3 | |
| 10 | 4 | 2,113 | 1 | |
| 11 | 3 | 2,046 | 9 | |
| 12 | 3 | 1,904 | 1 | |
| 13 | 4 | 1,862 | 4 | |
| 14 | 4 | 1,423 | — | |
| 15 | 3 | 1,224 | 2 | |
| 16 | 3 | 1,067 | 7 | |
| 17 | 2 | 816 | 2 | |
| 18 | 2 | 792 | — | |
| 19 | 4 | 621 | 4 | |
| 20 | 1 | 576 | 6 | |
| 21 | 2 | 537 | — | |
| 22 | 1 | 340 | 2 | |
| 23 | 1 | 90 | — | |
| 24 | 1 | 52 | — | |
| 25 | Puerto Rico | 1 | 18 | — |
| 26 | Panama | 1 | 10 | — |
| 27 | 0 | 0 | 2 | |
| 28 | 0 | 0 | 4 | |
| 29 | 0 | 0 | 4 | |
| 30 | 0 | 0 | 1 | |
| 31 | 0 | 0 | 2 | |
| 32 | 0 | 0 | 2 | |
| 33 | 0 | 0 | 1 | |
| 34 | 0 | 0 | 1 | |
| 35 | 0 | 0 | 2 |
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