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Germany Germany · Heidelberg · 49.417, 8.717

TRIGA HD II

TRIGA HD II, a research reactor (tRIGA) in Heidelberg, Germany, with 250 kW of thermal power, operated by Central Service Rad. Prot. and Dosimetry. Decommissioned, first critical in 1978.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 21 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
Heidelberg
Type
TRIGA
Thermal power
250 kW
Operator
Central Service Rad. Prot. and Dosimetry
Design and construction
Designed by General Atomics
Status
Decommissioned
First criticality
1978
Purpose
Isotope production, activation analysis, neutron capture therapy

Data: IAEA RRDB · updated on Sep 3, 2026

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