{"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&eacute;<\/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&egrave;ge se trouve &agrave; Innertkirchen, a approuv&eacute; 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&auml;terichsboden et le Grimsel, pour garantir la stabilit&eacute; du r&eacute;seau. La concession et le permis de construire ont d&eacute;j&agrave; &eacute;t&eacute; obtenus.<\/p>\n<p class=\"bodytext\">Grimsel 4 se compose d&rsquo;une centrale &eacute;lectrique souterraine situ&eacute;e entre les deux lacs. Deux turbines-pompes r&eacute;versibles, d&rsquo;un d&eacute;bit de 35 m&egrave;tres cubes par seconde chacune et d&rsquo;une puissance install&eacute;e de 84 m&eacute;gawatts chacune, pompent l&rsquo;eau vers le lac du Grimsel en fonction des besoins ou la transforment en &eacute;nergie lors de son &eacute;coulement vers le lac de R&auml;terichsboden. La galerie d&rsquo;adduction entre les deux lacs mesure environ 1 200 m&egrave;tres de long et a un diam&egrave;tre de 6 m&egrave;tres. La galerie d&rsquo;acc&egrave;s &agrave; la centrale hydro&eacute;lectrique a une longueur d&rsquo;environ 1 800 m&egrave;tres.<\/p>\n<p class=\"bodytext\">La construction d&eacute;butera en juin et devrait s&rsquo;achever en f&eacute;vrier 2032. Le creusement de la centrale hydro&eacute;lectrique commencera d&eacute;but 2028.<\/p>\n<p class=\"bodytext\">La KWO a &eacute;t&eacute; fond&eacute;e en 1925. Elle exploite aujourd&rsquo;hui 13 centrales hydro&eacute;lectriques et huit lacs de retenue. La <a href=\"https:\/\/www.bkw.ch\/\" target=\"_blank\" rel=\"noopener\">BKW<\/a> d&eacute;tient 50 % de l&rsquo;entreprise. Les services municipaux de B&acirc;le (<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&rsquo;autre moiti&eacute; &agrave; parts &eacute;gales.<\/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":{"pmpro_default_level":"","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","pmpro-has-access"],"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":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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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