R-2
R-2, a research reactor (tank) in Nyköping, Sweden, with 50 MW of thermal power, operated by Studsvik Nuclear AB. Shut down, first critical in 1960.
It was one of the 6 research reactors Sweden has had; 0 remain in operation today. It went critical 6 years after the first research reactor in Sweden, R-1 (1954). 36 tank-type reactors remain in operation today across 23 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and teaching.
- Country
- Sweden
- City
- Nyköping
- Type
- Tank
- Thermal power
- 50 MW
- Operator
- Studsvik Nuclear AB
- Status
- Shut down
- First criticality
- 1960
- Purpose
- Isotope production, neutron scattering, neutron radiography, teaching, training, activation analysis, materials testing
See also: every research reactor in Sweden · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026