United Kingdom United Kingdom · London · 51.483, -0.006

Jason

Jason, a research reactor (other) in London, United Kingdom, with 10 kW of thermal power, operated by Royal Naval College, Greenwich. Decommissioned, 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).

Country
United Kingdom
City
London
Type
Other
Thermal power
10 kW
Operator
Royal Naval College, Greenwich
Status
Decommissioned
First criticality
1959

Data: IAEA RRDB · updated on Sep 3, 2026

More information

Related research reactors