Russia Russia · Sarov · 54.933, 43.317

FKBN-2M

FKBN-2M, a research reactor (critical assembly) in Sarov, Russia, operated by All Russian Research Inst. of Exp. Physics VNIIEF. Operating, first critical in 2001.

It is one of the 57 research reactors operating in Russia, one of 6 zero-power assemblies among them. It went critical 55 years after the first research reactor in Russia, F-1 (1946). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. It has been 25 years since its first criticality.

Country
Russia
City
Sarov
Type
Critical assembly
Thermal power
critical
Operator
All Russian Research Inst. of Exp. Physics VNIIEF
Status
Operating
First criticality
2001

Data: IAEA RRDB · updated on Sep 3, 2026

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