ES
Sweden Sweden · Nyköping · 58.765, 17.378

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

Data: IAEA RRDB · updated on Sep 3, 2026

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