The new Pallas research reactor in Petten, the Netherlands, remains on schedule to begin commercial operation in 2032, contributing to Europe’s plans to secure a long-term supply of medical isotopes, project company NRG Pallas said.

On 29 September 2025, construction officially began of Pallas, which will replace the High Flux Reactor (HFR), also in Petten.

In July, the reactor-related section received the green light from the Dutch ministry of health, welfare and sport after preparatory works, including site preparation and delivery of the construction pit, were completed.

A spokesperson NRG Pallas told NucNet that construction of lower section the reactor building on the nuclear island has now entered its first main phase.