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Russia Russia · Obninsk · 55.093, 36.611

27/VM

27/VM, a research reactor (other) in Obninsk, Russia, with 70 MW of thermal power, operated by Institute of Physics and Power Engineering. Shut down, 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).

Country
Russia
City
Obninsk
Type
Other
Thermal power
70 MW
Operator
Institute of Physics and Power Engineering
Status
Shut down
First criticality
1956

Data: IAEA RRDB · updated on Sep 3, 2026

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