Russia Russia · Sarov · 54.933, 43.317

BR-K1

BR-K1, a research reactor (fast) in Sarov, Russia, with 10 kW of thermal power, operated by All Russian Research Inst. of Exp. Physics VNIIEF. Operating, first critical in 1995.

It is one of the 57 research reactors operating in Russia. It went critical 49 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 31 years since its first criticality.

Country
Russia
City
Sarov
Type
Fast
Thermal power
10 kW
Operator
All Russian Research Inst. of Exp. Physics VNIIEF
Status
Operating
First criticality
1995

Data: IAEA RRDB · updated on Sep 3, 2026

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