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
See also: every research reactor in Germany · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026