ES
Russia Russia · Nizhny Novgorod · 56.327, 44.008

1125

1125, a research reactor (critical assembly) in Nizhny Novgorod, Russia, with 600 W of thermal power, operated by Experimental Mechanical Engineering Design Bureau (OKBM). Operating, first critical in 1975.

It is one of the 57 research reactors operating in Russia. It went critical 29 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
Nizhny Novgorod
Type
Critical assembly
Thermal power
600 W
Operator
Experimental Mechanical Engineering Design Bureau (OKBM)
Status
Operating
First criticality
1975
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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