Sweden Sweden · Nyköping · 58.765, 17.378

R2-0

R2-0, a research reactor (pool) in Nyköping, Sweden, with 1 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). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include teaching, training and neutron capture therapy.

Country
Sweden
City
Nyköping
Type
Pool
Thermal power
1 MW
Operator
Studsvik Nuclear AB
Status
Shut down
First criticality
1960
Purpose
Teaching, training, neutron capture therapy

Data: IAEA RRDB · updated on Sep 3, 2026

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