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Netherlands Netherlands · Petten · 52.787, 4.679

PALLAS

PALLAS, a research reactor (pool) in Petten, Netherlands, with 55 MW of thermal power, operated by NRG PALLAS. Under construction, first critical in 2031.

Once in operation it will be the most powerful research reactor in the Netherlands, ahead of the 3 operating today. It went critical 71 years after the first research reactor in the Netherlands, LFR (1960). 48 pool-type reactors remain in operation today across 28 countries. It is one of 9 research reactors in 7 countries that INVAP designed or built.

Country
Netherlands
City
Petten
Type
Pool
Thermal power
55 MW
Operator
NRG PALLAS
Design and construction
Designed by INVAP · built by INVAP (ICHOS) · FCC Construcción
Status
Under construction
First criticality
2031
Purpose
Medical isotope production (Mo-99/Tc-99m, Lu-177, I-131 and other radiopharmaceutical isotopes), nuclear technology research; replacement for the Petten High Flux Reactor
PALLAS
Photo: Wikimedia Commons · Tetzemann · CC0

Data: IAEA RRDB · updated on Sep 3, 2026

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