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IRV-M2

IRV-M2, a research reactor (pool) in Moscow, Russia, with 4 MW of thermal power, operated by Research and Development Institute of Scientific Instruments. Shut down, first critical in 1974.

It was one of the 123 research reactors Russia has had; 57 remain in operation today. It went critical 28 years after the first research reactor in Russia, F-1 (1946). 48 pool-type reactors remain in operation today across 28 countries.

Country
Russia
City
Moscow
Type
Pool
Thermal power
4 MW
Operator
Research and Development Institute of Scientific Instruments
Status
Shut down
First criticality
1974

Data: IAEA RRDB · updated on Sep 3, 2026

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