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Germany Germany · Jülich · 50.922, 6.358

FRJ-1 (MERLIN)

FRJ-1 (MERLIN), a research reactor (pool) in Jülich, Germany, with 10 MW of thermal power, operated by Forschungszentrum Jülich gmbH. Decommissioned, first critical in 1962.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 5 years after the first research reactor in Germany, FRM (1957). 48 pool-type reactors remain in operation today across 28 countries.

Country
Germany
City
Jülich
Type
Pool
Thermal power
10 MW
Operator
Forschungszentrum Jülich gmbH
Status
Decommissioned
First criticality
1962
Purpose
Used for material irradiation

Data: IAEA RRDB · updated on Sep 3, 2026

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