{"id":153226,"date":"2026-04-13T14:30:00","date_gmt":"2026-04-13T12:30:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=153226"},"modified":"2026-04-13T11:50:44","modified_gmt":"2026-04-13T09:50:44","slug":"wasserkraftprojekt-an-der-grimsel-geht-in-die-umsetzung","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/wasserkraftprojekt-an-der-grimsel-geht-in-die-umsetzung\/","title":{"rendered":"Le projet hydro\u00e9lectrique du Grimsel entre dans sa phase de mise en \u0153uvre"},"content":{"rendered":"<p class=\"bodytext\">Selon un <a href=\"https:\/\/www.grimselstrom.ch\/ueber-kwo\/medien\/mm-kraftwerk-grimsel-4\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>, le conseil d&rsquo;administration de Kraftwerke Oberhasli AG (<a href=\"https:\/\/www.grimselstrom.ch\" target=\"_blank\" rel=\"noopener\">KWO<\/a>), dont le si\u00e8ge se trouve \u00e0 Innertkirchen, a approuv\u00e9 un investissement de 300 millions de francs dans la construction de la nouvelle centrale de pompage-turbinage Grimsel 4. Cette installation permettra d&rsquo;utiliser l&rsquo;eau des deux lacs de retenue, le R\u00e4terichsboden et le Grimsel, pour garantir la stabilit\u00e9 du r\u00e9seau. La concession et le permis de construire ont d\u00e9j\u00e0 \u00e9t\u00e9 obtenus.<\/p>\n<p class=\"bodytext\">Grimsel 4 se compose d&rsquo;une centrale \u00e9lectrique souterraine situ\u00e9e entre les deux lacs. Deux turbines-pompes r\u00e9versibles, d&rsquo;un d\u00e9bit de 35 m\u00e8tres cubes par seconde chacune et d&rsquo;une puissance install\u00e9e de 84 m\u00e9gawatts chacune, pompent l&rsquo;eau vers le lac du Grimsel en fonction des besoins ou la transforment en \u00e9nergie lors de son \u00e9coulement vers le lac de R\u00e4terichsboden. La galerie d&rsquo;adduction entre les deux lacs mesure environ 1 200 m\u00e8tres de long et a un diam\u00e8tre de 6 m\u00e8tres. La galerie d&rsquo;acc\u00e8s \u00e0 la centrale hydro\u00e9lectrique a une longueur d&rsquo;environ 1 800 m\u00e8tres.<\/p>\n<p class=\"bodytext\">La construction d\u00e9butera en juin et devrait s\u2019achever en f\u00e9vrier 2032. Le creusement de la centrale hydro\u00e9lectrique commencera d\u00e9but 2028.<\/p>\n<p class=\"bodytext\">La KWO a \u00e9t\u00e9 fond\u00e9e en 1925. Elle exploite aujourd\u2019hui 13 centrales hydro\u00e9lectriques et huit lacs de retenue. La <a href=\"https:\/\/www.bkw.ch\/\" target=\"_blank\" rel=\"noopener\">BKW<\/a> d\u00e9tient 50 % de l\u2019entreprise. Les services municipaux de B\u00e2le (<a href=\"https:\/\/www.iwb.ch\/\" target=\"_blank\" rel=\"noopener\">IWB<\/a>), Berne (<a href=\"https:\/\/www.ewb.ch\/\" target=\"_blank\" rel=\"noopener\">ewb<\/a>) et Zurich (<a href=\"https:\/\/www.ewz.ch\/\" target=\"_blank\" rel=\"noopener\">ewz<\/a>) se partagent l\u2019autre moiti\u00e9 \u00e0 parts \u00e9gales.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La soci\u00e9t\u00e9 Kraftwerke Oberhasli AG (KWO) entamera en juin la construction de la nouvelle centrale de pompage-turbinage Grimsel 4. Cette installation souterraine permettra une utilisation flexible de l&rsquo;eau stock\u00e9e dans les lacs de R\u00e4terichsboden et de Grimsel. La KWO investit 300 millions de francs dans ce projet.<\/p>\n","protected":false},"author":2,"featured_media":153227,"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":[8747,743,9824,55964],"tags":[872,3931,58379,2002,58380],"class_list":["post-153226","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-immonews-fr","category-nouvelle-construction","category-strategies-de-financement","tag-immoinvest-fr","tag-immonews-fr","tag-netzstabilitaet-2","tag-news-fr","tag-pumpspeicherwerk"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"La soci\u00e9t\u00e9 Kraftwerke Oberhasli AG (KWO) entamera en juin la construction de la nouvelle centrale de pompage-turbinage Grimsel 4. Cette installation souterraine permettra une utilisation flexible de l'eau stock\u00e9e dans les lacs de R\u00e4terichsboden et de Grimsel. La KWO investit 300 millions de francs dans ce projet.","autor":"ce\/ug","ort":"Innertkirchen BE","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 soci\u00e9t\u00e9 Kraftwerke Oberhasli AG (KWO) entamera en juin la construction de la nouvelle centrale de pompage-turbinage Grimsel 4. Cette installation souterraine permettra une utilisation flexible de l&#039;eau stock\u00e9e dans les lacs de R\u00e4terichsboden et de Grimsel. 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