US EditionFlamanville Epr: Its Restart Is Postponed for at Least Six Weeks Due to a Leak
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On 19 June 2025, EDF interrupted the power-up tests of the Flamanville PRT following a leak detected on a pressurizer valve. This component, located at the top of the primary circuit, maintains the pressure of the heat carrier fluid in extremely strict margins. Planned to be connected to the network on 2 July, the reactor will not restart until 13 August 2025. Flamanville, again at the stop. Flamanville: When safety takes precedence over electri…
The EPR nuclear reactor in Flamanville will be kept at a standstill until 13 August in order to verify the sealing of valves in the main primary circuit, it was learned on Wednesday 2 July. According to EDF, the target remains the switch to 100% power before the end of the summer 2025.
The reactor will not be restarted this Wednesday, July 2nd as planned. A leak on a protective valve is confirmed by EDF.
The reactor had been shut down in mid-June as part of its long start-up program, and a leak on a protection valve from the main primary circuit was detected.
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