BERKELEY Zero Energy
BERKELEY Zero Energy, a research reactor (graphite) in Berkeley, United Kingdom, with 1 kW of thermal power, operated by Berkeley Nuclear Laboratories. Decommissioned, first critical in 1966.
It was one of the 46 research reactors the United Kingdom has had; 1 remains in operation today. It went critical 19 years after the first research reactor in the United Kingdom, GLEEP (1947). 4 graphite-moderated research reactors remain in operation today across 3 countries.
- Country
- United Kingdom
- City
- Berkeley
- Type
- Graphite
- Thermal power
- 1 kW
- Operator
- Berkeley Nuclear Laboratories
- Status
- Decommissioned
- First criticality
- 1966
See also: every research reactor in United Kingdom · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026