ES
Russia Russia · Nizhny Novgorod · 56.327, 44.008

659

659, a research reactor (critical assembly) in Nizhny Novgorod, Russia, with 100 W of thermal power, operated by Experimental Mechanical Engineering Design Bureau (OKBM). Operating, first critical in 1963.

It is one of the 57 research reactors operating in Russia. It went critical 17 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
100 W
Operator
Experimental Mechanical Engineering Design Bureau (OKBM)
Status
Operating
First criticality
1963
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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