LIDO
LIDO, a research reactor (pool) in Didcot, United Kingdom, with 300 kW of thermal power, operated by Atomic Energy Research Establishment. Decommissioned, first critical in 1956.
It was one of the 46 research reactors the United Kingdom has had; 1 remains in operation today. It went critical 9 years after the first research reactor in the United Kingdom, GLEEP (1947). 48 pool-type reactors remain in operation today across 28 countries.
- Country
- United Kingdom
- City
- Didcot
- Type
- Pool
- Thermal power
- 300 kW
- Operator
- Atomic Energy Research Establishment
- Status
- Decommissioned
- First criticality
- 1956
See also: every research reactor in United Kingdom · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026