Russia Russia · Sarov · 54.933, 43.317

IKAR-S

IKAR-S, a research reactor (critical assembly) in Sarov, Russia, with 100 W of thermal power, operated by All Russian Research Inst. of Exp. Physics VNIIEF. Operating, first critical in 2008.

It is one of the 57 research reactors operating in Russia. It went critical 62 years after the first research reactor in Russia, F-1 (1946). It is one of 44 critical assemblies operating worldwide, spread across 12 countries.

Country
Russia
City
Sarov
Type
Critical assembly
Thermal power
100 W
Operator
All Russian Research Inst. of Exp. Physics VNIIEF
Status
Operating
First criticality
2008

Data: IAEA RRDB · updated on Sep 3, 2026

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