Dounreay Fast Reactor
Dounreay Fast Reactor, a research reactor (fast) in Thurso, United Kingdom, with 65 MW of thermal power, operated by Dounreay Nuclear Power Development Establishment. Shut down, first critical in 1959.
It was one of the 46 research reactors the United Kingdom has had; 1 remains in operation today. It went critical 12 years after the first research reactor in the United Kingdom, GLEEP (1947). 15 fast research reactors remain in operation today across 6 countries.
- Country
- United Kingdom
- City
- Thurso
- Type
- Fast
- Thermal power
- 65 MW
- Operator
- Dounreay Nuclear Power Development Establishment
- Status
- Shut down
- First criticality
- 1959
See also: every research reactor in United Kingdom · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026