Supervision of the EPR reactor

The EPR reactor is a pressurised water reactor (PWR) whose design, which has evolved with respect to that of the PWRs currently in operation in France, is intended to meet more stringent safety objectives.

Anomaly affecting the Flamanville EPR reactor vessel

Published on 17/12/2015 • 05:00 pm

Information notice

Flamanville 3 EPR: ASN has no objection to the initiation of a new test programme

On 12 December 2015, ASN issued a position statement concerning the approach used to demonstrate the mechanical properties of the Flamanville 3 EPR vessel closure head and bottom head proposed by Areva.

Published on 19/10/2015 • 11:30 am

Information notice

Flamanville EPR reactor vessel

ASN convened the Advisory Committee concerning the anomaly affecting the Flamanville EPR reactor vessel

Published on 31/07/2015 • 10:00 am

Information notice

Background to the discovery of the anomaly affecting the Flamanville EPR reactor vessel

On 7th April 2015, ASN made public the discovery of an anomaly in the composition of the steel in certain zones of the vessel closure head and the vessel bottom head of the Flamanville EPR reactor.

Published on 07/04/2015 • 11:30 am

Press release

Flamanville EPR reactor vessel manufacturing anomalies

ASN has been informed by AREVA of an anomaly in the composition of the steel in certain zones of the reactor vessel head and reactor vessel bottom head of the Flamanville EPR.