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Published on 07/11/2022 at 11:19

Cattenom NPP reactor 1: Two welds need to be repaired before it can be restarted

During its treatment of the stress corrosion (SC) phenomenon affecting several of its reactors, and in accordance with the strategy it had proposed, EDF carried out inspections on the piping of the Cattenom NPP reactor 1 safety injection system. These inspections, which were carried out close to the welds liable to be the most severely affected, revealed indications that could be attributed to SC cracking. Two of them were of significant dimensions, with maximum depths of 4.7 and 6.1 mm.
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ASN'S Annual Report

ASN'S Annual Report

The Nuclear Safety Authority presents the abstracts of its report on the state of nuclear safety and radiation protection in France in 2021.

The abstracts of this report is required by Article L. 592-31 of the Environment Code. It was submitted to the President of the Republic,  the Prime Minister and the Presidents of the Senate and the National Assembly and  transmitted to the Parliamentary Office for the  Evaluation of Scientific and Technological Choices, pursuant to the above-mentioned Article.

ASN Report - full version - 18.54 Mo .pdf Go to the report

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