Germany Germany · Geesthacht · 53.404, 10.426

FRG-1

FRG-1, a research reactor (pool) in Geesthacht, Germany, with 5 MW of thermal power, operated by GKSS-Forschungszentrum Geesthacht gmbH. Shut down, first critical in 1958.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 1 year after the first research reactor in Germany, FRM (1957). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include neutron scattering, neutron radiography, activation analysis and materials testing.

Country
Germany
City
Geesthacht
Type
Pool
Thermal power
5 MW
Operator
GKSS-Forschungszentrum Geesthacht gmbH
Status
Shut down
First criticality
1958
Purpose
Neutron scattering, neutron radiography, activation analysis, materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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