BR-1M
BR-1M, a research reactor (fast) in Sarov, Russia, with 5 kW of thermal power, operated by All Russian Research Inst. of Exp. Physics VNIIEF. Operating, first critical in 1979.
It is one of the 57 research reactors operating in Russia. It went critical 33 years after the first research reactor in Russia, F-1 (1946). It is one of 15 fast research reactors operating worldwide, spread across 6 countries. It has been 47 years since its first criticality.
- Country
- Russia
- City
- Sarov
- Type
- Fast
- Thermal power
- 5 kW
- Operator
- All Russian Research Inst. of Exp. Physics VNIIEF
- Status
- Operating
- First criticality
- 1979
See also: every research reactor in Russia · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026