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Germany Germany · Berlin · 52.410, 13.128

BER-II

BER-II, a research reactor (pool) in Berlin, Germany, with 10 MW of thermal power, operated by Helmholtz-Zentrum Berlin. Shut down, 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). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include neutron scattering, neutron radiography, teaching and training.

Country
Germany
City
Berlin
Type
Pool
Thermal power
10 MW
Operator
Helmholtz-Zentrum Berlin
Status
Shut down
First criticality
1973
Purpose
Neutron scattering, neutron radiography, teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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