HBWR
HBWR, a research reactor (heavy water) in Halden, Norway, with 20 MW of thermal power, operated by Institutt for Energiteknikk. Shut down, first critical in 1959.
It was one of the 4 research reactors Norway has had; 0 remain in operation today. It went critical 8 years after the first research reactor in Norway, JEEP I (1951). 10 heavy-water research reactors remain in operation today across 7 countries. Its declared uses include innovative research and materials testing.
- Country
- Norway
- City
- Halden
- Type
- Heavy water
- Thermal power
- 20 MW
- Operator
- Institutt for Energiteknikk
- Status
- Shut down
- First criticality
- 1959
- Purpose
- Innovative research, materials testing
See also: every research reactor in Norway · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026