United Kingdom United Kingdom · Didcot · 51.606, -1.241

BEPO

BEPO, a research reactor (graphite) in Didcot, United Kingdom, with 6.5 MW of thermal power, operated by Atomic Energy Research Establishment. Shut down, first critical in 1962.

It was one of the 46 research reactors the United Kingdom has had; 1 remains in operation today. It went critical 15 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
Didcot
Type
Graphite
Thermal power
6.5 MW
Operator
Atomic Energy Research Establishment
Status
Shut down
First criticality
1962

Data: IAEA RRDB · updated on Sep 3, 2026

More information

Related research reactors