{"id":157845,"date":"2026-05-29T13:30:00","date_gmt":"2026-05-29T11:30:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=157845"},"modified":"2026-05-27T11:42:09","modified_gmt":"2026-05-27T09:42:09","slug":"bundesrat-sieht-spielraum-fuer-laengeren-betrieb-der-kernkraftwerke","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/bundesrat-sieht-spielraum-fuer-laengeren-betrieb-der-kernkraftwerke\/","title":{"rendered":"Le Conseil f\u00e9d\u00e9ral estime qu&rsquo;il est possible de prolonger l&rsquo;exploitation des centrales nucl\u00e9aires"},"content":{"rendered":"<p class=\"bodytext\">Le 13 mai, le Conseil f\u00e9d\u00e9ral a adopt\u00e9 un <a href=\"https:\/\/cms.news.admin.ch\/dam\/de\/der-schweizerische-bundesrat\/tIdOsJXaUlR8\/20260513 Bericht BR Langzeitbetrieb der Kernkraftwerke und Versorgungssicherheit DE.pdf\" target=\"_blank\" rel=\"noopener\">rapport<\/a> sur la prolongation de la dur\u00e9e de vie des centrales nucl\u00e9aires de G\u00f6sgen et de Leibstadt \u00e0 80 ans. Selon un <a href=\"https:\/\/www.admin.ch\/de\/newnsb\/KFsl_jemlcYglhQ7k9K8Z\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>, le rapport conclut qu&rsquo;une telle exploitation \u00e0 long terme est techniquement possible et qu&rsquo;elle serait \u00e9galement rentable dans la plupart des cas probables. Un soutien financier \u00e0 l&rsquo;exploitation \u00e0 long terme ne serait donc pas n\u00e9cessaire dans l&rsquo;\u00e9tat actuel des choses. Le rapport du Conseil f\u00e9d\u00e9ral s&rsquo;appuie sur une \u00e9tude r\u00e9alis\u00e9e par <a href=\"https:\/\/www.frontier-economics.com\/\" target=\"_blank\" rel=\"noopener\">Frontier Economics<\/a>, dont le si\u00e8ge est \u00e0 Londres, et <a href=\"https:\/\/www.siempelkamp-nis.com\/\" target=\"_blank\" rel=\"noopener\">Siempelkamp NS<\/a>, \u00e0 Alzenau, en Bavi\u00e8re.<\/p>\n<p class=\"bodytext\">Les quatre centrales nucl\u00e9aires actuellement en service en Suisse couvrent environ 30 % de la consommation d&rsquo;\u00e9lectricit\u00e9, mais 36 % de la consommation en hiver. <a href=\"https:\/\/www.axpo.com\/\" target=\"_blank\" rel=\"noopener\">Axpo<\/a>, en tant que propri\u00e9taire et exploitante, pr\u00e9voit de mettre hors service les deux centrales nucl\u00e9aires de Beznau 1 et 2 respectivement en 2032 et 2033. En revanche, selon le rapport du Conseil f\u00e9d\u00e9ral, la dur\u00e9e de vie des centrales nucl\u00e9aires de G\u00f6sgen et de Leibstadt pourrait \u00eatre prolong\u00e9e \u00e0 80 ans. G\u00f6sgen a \u00e9t\u00e9 mise en service en 1979, Leibstadt en 1984.<\/p>\n<p class=\"bodytext\">Les autorisations d&rsquo;exploitation des deux centrales sont illimit\u00e9es. Les exploitants ont d\u00e9j\u00e0 communiqu\u00e9 \u00e0 l&rsquo;Office f\u00e9d\u00e9ral de l&rsquo;\u00e9nergie (OFEN) leurs plans de modernisation en vue d&rsquo;une exploitation \u00e0 long terme au-del\u00e0 de 60 ans. Les exploitants de G\u00f6sgen estiment que les co\u00fbts d&rsquo;investissement se situeront entre 1 022 millions et 1 381 millions de francs. Les exploitants de Leibstadt tablent quant \u00e0 eux sur un montant compris entre 640 et 865 millions de francs. Ces co\u00fbts s&rsquo;\u00e9talent sur 36 ans.<\/p>\n<p class=\"bodytext\">La rentabilit\u00e9 de ces investissements d\u00e9pend notamment des futurs prix de l&rsquo;\u00e9lectricit\u00e9, mais aussi de l&rsquo;\u00e9volution des taux d&rsquo;int\u00e9r\u00eat et des contraintes politiques. Selon l&rsquo;\u00e9tude, l&rsquo;exploitation \u00e0 long terme ne serait non rentable qu&rsquo;en cas de prix de l&rsquo;\u00e9lectricit\u00e9 tr\u00e8s bas. Il faudrait toutefois exclure toute mise hors service pr\u00e9matur\u00e9e motiv\u00e9e par des consid\u00e9rations politiques, ainsi que des contraintes et des prescriptions de s\u00e9curit\u00e9 strictes.<\/p>\n<p class=\"bodytext\">Le rapport du Conseil f\u00e9d\u00e9ral r\u00e9pond au postulat \u00ab Permettre la poursuite de l\u2019exploitation des centrales nucl\u00e9aires existantes \u00bb, d\u00e9pos\u00e9 en septembre 2023 par le conseiller aux \u00c9tats Thierry Burkart.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La prolongation de la dur\u00e9e de vie des centrales nucl\u00e9aires de G\u00f6sgen et de Leibstadt jusqu&rsquo;\u00e0 80 ans est techniquement possible et, dans les sc\u00e9narios les plus probables, \u00e9galement rentable. C&rsquo;est ce que montre un rapport adopt\u00e9 par le Conseil f\u00e9d\u00e9ral. La mise \u00e0 niveau co\u00fbterait entre 0,7 et 1,2 milliard de francs.<\/p>\n","protected":false},"author":2,"featured_media":157846,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[8747,55961,743,56027],"tags":[872,3931,59159,2002,36425],"class_list":["post-157845","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-evaluations-analyses-de-marche","category-immonews-fr","category-planification-developpement","tag-immoinvest-fr","tag-immonews-fr","tag-langzeitbetrieb","tag-news-fr","tag-stromversorgung-fr"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"La prolongation de la dur\u00e9e de vie des centrales nucl\u00e9aires de G\u00f6sgen et de Leibstadt jusqu'\u00e0 80 ans est techniquement possible et, dans les sc\u00e9narios les plus probables, \u00e9galement rentable. C'est ce que montre un rapport adopt\u00e9 par le Conseil f\u00e9d\u00e9ral. La mise \u00e0 niveau co\u00fbterait entre 0,7 et 1,2 milliard de francs.","autor":"ce\/ug","ort":"Bern","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"La prolongation de la dur\u00e9e de vie des centrales nucl\u00e9aires de G\u00f6sgen et de Leibstadt jusqu&#039;\u00e0 80 ans est techniquement possible et, dans les sc\u00e9narios les plus probables, \u00e9galement rentable. C&#039;est ce que montre un rapport adopt\u00e9 par le Conseil f\u00e9d\u00e9ral. 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C&#039;est ce que montre un rapport adopt\u00e9 par le Conseil f\u00e9d\u00e9ral. 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