JEEP I
JEEP I, a research reactor (heavy water) in Kjeller, Norway, with 450 kW of thermal power, operated by Institute for Nuclear Energy (IFA). Decommissioned, first critical in 1951.
It was one of the 4 research reactors Norway has had; 0 remain in operation today. It was the first research reactor in Norway to go critical. 10 heavy-water research reactors remain in operation today across 7 countries. Its declared uses include isotope production and neutron scattering.
- Country
- Norway
- City
- Kjeller
- Type
- Heavy water
- Thermal power
- 450 kW
- Operator
- Institute for Nuclear Energy (IFA)
- Status
- Decommissioned
- First criticality
- 1951
- Purpose
- Isotope production, neutron scattering
See also: every research reactor in Norway · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026