Press Release

Production of medical isotopes reactor Petten resumed

11 May 2023

Petten, May 11 2023

Today, the High Flux Reactor started up after a maintenance shutdown and the production of medical isotopes resumed. During this maintenance shutdown, an anomaly was detected in the reactor basin. Safety is top priority and therefore additional investigations were carried out before restarting. This investigation showed that the reactor could be safely put into operation and with the permission granted by the Nuclear Safety and Radiation Protection Authority (ANVS), the reactor resumed its social function today and over 30,000 patients worldwide can rely on medical isotopes from Petten every day. With other isotope-producing reactors around the world operating in the meantime, availability of reactor isotopes has not been an issue.


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Cora Blankendaal 1

Cora Blankendaal
Press Officer