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Russia Russia · Snezhinsk · 56.083, 60.733

BARS-5 (FNRS)

BARS-5 (FNRS), a research reactor (fast) in Snezhinsk, Russia, with 10 kW of thermal power, operated by Russian Federal Nuclear Centre VNIITF. Operating, first critical in 1986.

It is one of the 57 research reactors operating in Russia. It went critical 40 years after the first research reactor in Russia, F-1 (1946). It is one of 15 fast research reactors operating worldwide, spread across 6 countries. It has been 40 years since its first criticality.

Country
Russia
City
Snezhinsk
Type
Fast
Thermal power
10 kW
Operator
Russian Federal Nuclear Centre VNIITF
Status
Operating
First criticality
1986

Data: IAEA RRDB · updated on Sep 3, 2026

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