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Netherlands Netherlands · Petten · 52.767, 4.667 (approximate location)

KRITO

KRITO, a research reactor (critical assembly) in Petten, Netherlands, with 100 W of thermal power, operated by RCN Petten. Decommissioned, first critical in 1963.

It was one of the 8 research reactors the Netherlands has had; 3 remain in operation today. It went critical 3 years after the first research reactor in the Netherlands, LFR (1960). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include innovative research and nuclear data measurements.

Country
Netherlands
City
Petten
Type
Critical assembly
Thermal power
100 W
Operator
RCN Petten
Status
Decommissioned
First criticality
1963
Purpose
Innovative research, nuclear data

Data: IAEA RRDB · updated on Sep 3, 2026

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