UV-1
UV-1, a research reactor (subcritical assembly) in Moscow, Russia, operated by Moscow Engineering Physics Insitute MEPhI. Decommissioned, first critical in 1983.
It was one of the 123 research reactors Russia has had; 57 remain in operation today. It went critical 37 years after the first research reactor in Russia, F-1 (1946). 20 subcritical assemblies remain in operation today across 13 countries. Its declared uses include teaching.
- Country
- Russia
- City
- Moscow
- Type
- Subcritical assembly
- Thermal power
- critical
- Operator
- Moscow Engineering Physics Insitute MEPhI
- Status
- Decommissioned
- First criticality
- 1983
- Purpose
- Teaching
See also: every research reactor in Russia · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026