{"id":31299,"date":"2026-10-20T11:45:00","date_gmt":"2026-10-20T09:45:00","guid":{"rendered":"https:\/\/www.greenpeace.org\/luxembourg\/?p=31299"},"modified":"2026-10-20T10:19:55","modified_gmt":"2026-10-20T08:19:55","slug":"surete-centrale-nucleaire-cattenom","status":"publish","type":"post","link":"https:\/\/www.greenpeace.org\/luxembourg\/fr\/communiques-de-presse\/31299\/surete-centrale-nucleaire-cattenom\/","title":{"rendered":"Cattenom : une centrale vieillissante dont la s\u00fbret\u00e9 est insuffisante"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Luxembourg, le 20 octobre 2026 &#8211; <\/em><strong>Une <\/strong><a href=\"https:\/\/www.greenpeace.org\/static\/planet4-luxembourg-stateless\/2026\/10\/9b7cf085-synthese_problemes-et-risques-lies-au-reacteur-1-de-la-centrale-nucleaire-de-cattenom.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>nouvelle \u00e9tude<\/strong><\/a><strong> [1] publi\u00e9e par Greenpeace Luxembourg montre que le r\u00e9acteur 1 vieillissant de la centrale nucl\u00e9aire de Cattenom pr\u00e9sente d&#8217;importantes lacunes en mati\u00e8re de s\u00fbret\u00e9. L&#8217;analyse examine notamment la mise en \u0153uvre des mesures de s\u00fbret\u00e9 pr\u00e9vues apr\u00e8s la catastrophe de Fukushima ainsi que les incidents document\u00e9s, et remet en question l\u2019exploitation des r\u00e9acteurs au-del\u00e0 de leur dur\u00e9e de fonctionnement initialement pr\u00e9vue.<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Octobre 2026 marque les 40 ans de fonctionnement du r\u00e9acteur 1 de la centrale de Cattenom, soit sa dur\u00e9e de fonctionnement initialement pr\u00e9vue. D\u00e9but 2027, le r\u00e9acteur devrait \u00eatre mis \u00e0 l\u2019arr\u00eat pendant environ six mois pour sa quatri\u00e8me visite d\u00e9cennale. Cette p\u00e9riode doit permettre de r\u00e9aliser des contr\u00f4les approfondis, des travaux de maintenance et des modifications destin\u00e9es \u00e0 renforcer la s\u00fbret\u00e9 de l\u2019installation. Une consultation publique sur les conditions de fonctionnement futures est \u00e9galement pr\u00e9vue dans le cadre d\u2019une \u00e9ventuelle prolongation de son exploitation.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019\u00e9tude montre toutefois que Cattenom 1 ne satisfait pas aux exigences de s\u00fbret\u00e9 actuelles applicables aux nouvelles centrales nucl\u00e9aires et qu\u2019il ne peut pas \u00eatre enti\u00e8rement mis \u00e0 niveau pour atteindre ce niveau, m\u00eame au moyen de modifications a posteriori. Pour les installations anciennes comme Cattenom, des diff\u00e9rences fondamentales subsistent entre leur conception technique d\u2019origine et les normes actuelles. Selon le rapport, les principales faiblesses concernent notamment le manque de redondance et de s\u00e9paration physique des syst\u00e8mes de s\u00fbret\u00e9, ainsi que leur r\u00e9sistance aux s\u00e9ismes. \u00c0 cela s\u2019ajoutent une protection insuffisante contre certains risques naturels, les chutes d\u2019avions et les attaques de drones, des probl\u00e8mes li\u00e9s au vieillissement de l\u2019installation, une perte de savoir-faire technique ainsi que des indices de d\u00e9faillances dans la culture de s\u00fbret\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">Au vu de ces constats, la question se pose de savoir si une prolongation de l\u2019exploitation au-del\u00e0 des 40 ans initialement pr\u00e9vus peut \u00eatre consid\u00e9r\u00e9e comme responsable. Un accident nucl\u00e9aire grave \u00e0 Cattenom pourrait toucher non seulement la France, mais aussi le Luxembourg et l\u2019Allemagne, et avoir des cons\u00e9quences durables pour la population et l\u2019environnement. La proximit\u00e9 g\u00e9ographique de la centrale avec le Luxembourg et l\u2019Allemagne fait de sa s\u00fbret\u00e9 un enjeu transfrontalier.<\/p>\n\n<p class=\"wp-block-paragraph\">La date de publication d\u2019une \u00e9tude d\u2019impact environnemental dans le cadre d\u2019une \u00e9valuation des incidences sur l\u2019environnement, ainsi que celle d\u2019une consultation transfrontali\u00e8re, restent par ailleurs inconnues, alors que la<a href=\"https:\/\/eur-lex.europa.eu\/DE\/legal-content\/summary\/convention-on-environmental-impact-assessment-in-a-transboundary-context-espoo-convention-and-the-protocol-on-strategic-environmental-assessment-sea-protocol.html\" target=\"_blank\" rel=\"noreferrer noopener\"> Convention d\u2019Espoo<\/a> pr\u00e9voit de telles proc\u00e9dures. Lors de pr\u00e9c\u00e9dentes<a href=\"https:\/\/www.un-ilibrary.org\/content\/books\/9789214030171\/read\" target=\"_blank\" rel=\"noreferrer noopener\"> consultations<\/a> concernant la prolongation de l\u2019exploitation de r\u00e9acteurs nucl\u00e9aires fran\u00e7ais, les \u00e9valuations des incidences sur l\u2019environnement pr\u00e9sentaient d\u00e9j\u00e0 des lacunes importantes.<\/p>\n\n<p class=\"wp-block-paragraph\">Greenpeace Luxembourg appelle donc les pays voisins \u00e0 examiner les voies de recours juridiques dont ils disposent pour s\u2019opposer \u00e0 une prolongation de l\u2019exploitation de Cattenom 1. Les cons\u00e9quences transfrontali\u00e8res potentielles d\u2019un accident grave rendent indispensable une \u00e9valuation transparente des incidences environnementales ainsi qu\u2019une participation ad\u00e9quate des populations concern\u00e9es.<\/p>\n\n<p class=\"wp-block-paragraph\">\u00ab Le r\u00e9acteur n\u00b01 de la centrale nucl\u00e9aire de <em>Cattenom&nbsp; ne doit pas \u00eatre exploit\u00e9 au-del\u00e0 des 40 ans initialement pr\u00e9vus tant que des lacunes fondamentales en mati\u00e8re de s\u00fbret\u00e9 subsistent et que les travaux de mise \u00e0 niveau n\u00e9cessaires ne sont pas achev\u00e9s. Greenpeace Luxembourg demande donc aux autorit\u00e9s fran\u00e7aises et \u00e0 l\u2019exploitant EDF de renoncer \u00e0 toute prolongation de l\u2019exploitation et de mettre le r\u00e9acteur \u00e0 l\u2019arr\u00eat une fois sa dur\u00e9e de vie pr\u00e9vue atteinte. Les travaux de mise \u00e0 niveau peuvent certes am\u00e9liorer la s\u00fbret\u00e9, mais ils ne permettent pas de rem\u00e9dier \u00e0 toutes les faiblesses d\u2019une installation construite il y a plusieurs d\u00e9cennies selon d\u2019autres normes. La protection de la population doit primer sur la poursuite de l\u2019exploitation d\u2019une centrale nucl\u00e9aire vieillissante<\/em> \u00bb, conclut Roger Spautz de Greenpeace Luxembourg.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n<p class=\"has-small-font-size wp-block-paragraph\"><strong>Notes : <br><\/strong>[1] L\u2019\u00e9tude \u00ab<em> Probl\u00e8mes et risques li\u00e9s au r\u00e9acteur 1 de la centrale nucl\u00e9aire de Cattenom \u2013 Bilan apr\u00e8s 40 ans d\u2019exploitation<\/em> \u00bb a \u00e9t\u00e9 r\u00e9alis\u00e9e \u00e0 la demande de Greenpeace Luxembourg par Oda Becker, physicienne allemande et experte en nucl\u00e9aire. L\u2019ensemble de l\u2019\u00e9tude est disponible <a href=\"https:\/\/www.greenpeace.org\/static\/planet4-luxembourg-stateless\/2026\/10\/886caf01-rapport_problemes-et-risques-du-reacteur-n%C2%B0-1-de-la-centrale-nucleaire-de-cattenom-.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">ici<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle \u00e9tude de Greenpeace Luxembourg r\u00e9v\u00e8le d\u2019importantes lacunes de s\u00fbret\u00e9 \u00e0 Cattenom 1 et questionne la prolongation de son exploitation au-del\u00e0 de 40 ans.<\/p>\n","protected":false},"author":25,"featured_media":30277,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"p4_og_title":"","p4_og_description":"","p4_og_image":"","p4_og_image_id":"","p4_seo_canonical_url":"","p4_seo_meta_title":"","p4_seo_meta_description":"","p4_campaign_name":"","p4_local_project":"","p4_basket_name":"","p4_department":"","footnotes":""},"categories":[42,17],"tags":[30,32],"p4-page-type":[83],"class_list":["post-31299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-greenpeace","tag-nucleaire","tag-luxembourg","p4-page-type-communiques-de-presse"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v23.9) - 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