Centrale Cattenom

Cattenom power plant: Valve Incident on 28 May 2015

Unintended opening of a steam valve on the reactor 1 of the Cattenom nuclear power plant

Information note ASN June 10th 2015 pdf article


Cattenom nuclear emergency: what happened?

Excerpt from the Journal de l’énergie (June 3, 2015) (3 juin 2015) pdf article

The incident occurred on a pipeline that is contributing “to the achievement of the fundamental functions of security” of the nuclear reactor, according to an internal document to EDF Journal de l’energie was able to consult.
Steam leak occurred because a valve remained “stuck open” during the restart of the reactor. This simple faucet that it was not anymore possible to close in the secondary circuit caused the implementation of the cooling systems rescue of the nuclear reactor core.


Cattenom nuclear power plant incident: no radioactive release according to the ASN

Excerpt from « Dernières Nouvelles d’Alsace » (May 28th 2015) pdf article

« According to the first information available to ASN, the event occurred on reactor 1 of Cattenom has caused leakage of steam due to unintended opening of a valve in the secondary circuit. »


Incident at the Cattenom power plant: reactor No. 1 stopped

Excerpt from « FR3 Lorraine» (May 28th 2015) pdf article

Today Thursday May 28th 2015, at 2 p.m., following an accidental valve opening in the secondary circuit, the reactor No. 1 of the Cattenom nuclear power plant was automatically shut down.

At Cattenom, incidents multiply at the nuclear power plant

Excerpt from LORACTU.fr ( May 29th 2015 ) pdf article

« This incident has been ranked 1 on the scale of nuclear incidents which starts from zero and goes up to 7, said the ASN.”. An accidental valve opening in the secondary circuit is at the origin of the event, occurred on reactor No. 1. A security water injection was switched on. »


To avoid this type of incident, see among others:

A Positive Lesson from the Accident at Three Mile Island

An Open Letter to Jimmy Carter,

Former President of the United States of America

French version

Book : L’organisation du désordre pour sortir du chaos

Éditions Cépaduès (Octobre 2015)

About the Author Michel Pluviose

Michel Pluviose is Honorary Professor of Le Conservatoire National des Arts et Métiers (CNAM), and formerly Chair of Turbomachines who received his Doctor of Sciences from Université Pierre et Marie Curie - Paris VI. A hands-on engineer, Michel has worked with leading institutions, including as an engineer at Hispano-Suiza, SNECMA, Head of the laboratory at ATTAG (Association technique pour les turbomachines et turbines à gaz), Manager for compressible fluid activities at CETIM (Centre technique des industries mécaniques), and manager of the treaty « Machines hydrauliques et thermiques » at the « Techniques de l’Ingénieur » publications.

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