Russia · Obninsk · 55.093, 36.611

BR-2

BR-2, a research reactor (fast) in Obninsk, Russia, with 100 kW of thermal power, operated by Institute of Physics and Power Engineering. Decommissioned, first critical in 1956.

It was one of the 123 research reactors Russia has had; 57 remain in operation today. It went critical 10 years after the first research reactor in Russia, F-1 (1946). 15 fast research reactors remain in operation today across 6 countries.

Country

Russia

City

Obninsk

Type

Fast

Thermal power

100 kW

Operator

Institute of Physics and Power Engineering

Status

Decommissioned

First criticality

1956

See also: every research reactor in Russia · How research reactors work