On behalf of the State, ASN ensures the oversight of nuclear safety and radiation protection in order to protect people and the environment.

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Published on 14/03/2023 at 11:05

Stress corrosion, Penly nuclear power plant

On 6 March 2023, EDF sent ASN an update of its significant safety event notification concerning the presence of stress corrosion cracks on several of its reactors. This update concerns reactor 3 of the Cattenom NPP and the reactors of the Civaux, Chooz B and Penly NPPs.

Published on 26/01/2023 at 16:48

Irregularities in equipment manufacturing at Japan Steel Works

In May 2022, Japan Steel Works (JSW) published reports of irregularities in its Muroran plant in Japan, which mainly concerned turbines for thermal power stations. The irregularities consisted more specifically in the modification of chemical analysis results, residual stress measurements and hardness measurements.
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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

NUCLEAR INSTALLATIONS REGULATED BY ASN