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Germany Germany · Karlsruhe · 49.009, 8.404

SUAK

SUAK, a research reactor (subcritical assembly) in Karlsruhe, Germany, operated by Karlsruhe Research Center. Decommissioned, first critical in 1964.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 7 years after the first research reactor in Germany, FRM (1957). 20 subcritical assemblies remain in operation today across 13 countries.

Country
Germany
City
Karlsruhe
Type
Subcritical assembly
Thermal power
critical
Operator
Karlsruhe Research Center
Status
Decommissioned
First criticality
1964
Purpose
Subcritical assembly for reactor physics research

Data: IAEA RRDB · updated on Sep 3, 2026

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