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Germany Germany · Hannover · 52.367, 9.717 (approximate location)

FRH

FRH, a research reactor (tRIGA) in Hannover, Germany, with 250 kW of thermal power, operated by Medicin Hochschule Hannover. Decommissioned, first critical in 1973.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 16 years after the first research reactor in Germany, FRM (1957). 36 TRIGA reactors remain in operation today across 17 countries. It is one of 65 research reactors in 20 countries that General Atomics designed or built.

Country
Germany
City
Hannover
Type
TRIGA
Thermal power
250 kW
Operator
Medicin Hochschule Hannover
Design and construction
Designed by General Atomics
Status
Decommissioned
First criticality
1973
Purpose
Isotope production, activation analysis

Data: IAEA RRDB · updated on Sep 3, 2026

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