SCA
SCA, a research reactor (subcritical assembly) in Helsinki, Finland, operated by VTT Technical Research Centre. Decommissioned, first critical in 1963.
It was one of the 2 research reactors Finland has had; 0 remain in operation today. It went critical 1 year after the first research reactor in Finland, FIR-1 (1962). 20 subcritical assemblies remain in operation today across 13 countries.
- Country
- Finland
- City
- Helsinki
- Type
- Subcritical assembly
- Thermal power
- critical
- Operator
- VTT Technical Research Centre
- Status
- Decommissioned
- First criticality
- 1963
See also: every research reactor in Finland · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026