FS-2
FS-2, a research reactor (subcritical assembly) in Moscow, Russia, with 200 W of thermal power, operated by Jsc "Nikiet". Operating, first critical in 1972.
It is one of the 57 research reactors operating in Russia. It went critical 26 years after the first research reactor in Russia, F-1 (1946). It is one of 20 subcritical assemblies operating worldwide, spread across 13 countries. It has been 54 years since its first criticality.
- Country
- Russia
- City
- Moscow
- Type
- Subcritical assembly
- Thermal power
- 200 W
- Operator
- Jsc "Nikiet"
- Status
- Operating
- First criticality
- 1972
See also: every research reactor in Russia · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026