ES
Germany Germany · Jülich · 50.922, 6.358

KEITER

KEITER, a research reactor (critical assembly) in Jülich, Germany, with 1 W of thermal power, operated by Forschungszentrum Jülich GmbH. Decommissioned, first critical in 1971.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 14 years after the first research reactor in Germany, FRM (1957). 44 critical assemblies remain in operation today across 12 countries.

Country
Germany
City
Jülich
Type
Critical assembly
Thermal power
1 W
Operator
Forschungszentrum Jülich GmbH
Status
Decommissioned
First criticality
1971
Purpose
Critical assembly for reactor physics experiments

Data: IAEA RRDB · updated on Sep 3, 2026

More information

Related research reactors