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Netherlands Netherlands · Arnhem · 51.983, 5.917

KSTR

KSTR, a research reactor (homogeneous) in Arnhem, Netherlands, with 1 MW of thermal power, operated by KEMA NV. Decommissioned, first critical in 1974.

It was one of the 8 research reactors the Netherlands has had; 3 remain in operation today. It went critical 14 years after the first research reactor in the Netherlands, LFR (1960). 15 homogeneous reactors remain in operation today across 6 countries.

Country
Netherlands
City
Arnhem
Type
Homogeneous
Thermal power
1 MW
Operator
KEMA NV
Status
Decommissioned
First criticality
1974

Data: IAEA RRDB · updated on Sep 3, 2026

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