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Germany Germany · Berlin · 52.410, 13.128

BER-I

BER-I, a research reactor (homogeneous) in Berlin, Germany, with 50 kW of thermal power, operated by Department Reactor. Decommissioned, 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). 15 homogeneous reactors remain in operation today across 6 countries.

Country
Germany
City
Berlin
Type
Homogeneous
Thermal power
50 kW
Operator
Department Reactor
Status
Decommissioned
First criticality
1958
Purpose
Basic research with neutron beams, isotope production

Data: IAEA RRDB · updated on Sep 3, 2026

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