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Efir-2M

Efir-2M, a research reactor (critical assembly) in Moscow, Russia, with 100 W of thermal power, operated by Nuclear Research Center, Kurchatov Institute. Operating, first critical in 1973.

It is one of the 57 research reactors operating in Russia. It went critical 27 years after the first research reactor in Russia, F-1 (1946). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include teaching and training.

Country
Russia
City
Moscow
Type
Critical assembly
Thermal power
100 W
Operator
Nuclear Research Center, Kurchatov Institute
Status
Operating
First criticality
1973
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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