Reactor | Nation | Grid Connection | MW(th) | MW(e) | Decommissioned |
---|---|---|---|---|---|
EBR I | US | site only 1951-12-20 | 1.4 | 0.2 | 1964 |
Obninsk | USSR | 1954-06-27 | 30 | 6 | 2002 |
BORAX-III | US | 1955-07-17 | 6 | 2 | 1956 |
Calder Hall 1 * | UK | 1956-08-27 | 268 | 60 | 2003 |
SM-1 | US | 1957-04-29 | 10 | 2 | 1973 |
Vallecitos | US | 1957-10-19 | 30 | 5.3 | 1963 |
Shippingport | US | 1957-12-18 | 236 | 60 | 1982 |
* production reactors