{"id":135558,"date":"2025-07-11T08:46:00","date_gmt":"2025-07-11T06:46:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=135558"},"modified":"2025-07-09T16:45:44","modified_gmt":"2025-07-09T14:45:44","slug":"woher-der-strom-2050-kommt","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/woher-der-strom-2050-kommt\/","title":{"rendered":"D&rsquo;o\u00f9 viendra l&rsquo;\u00e9lectricit\u00e9 en 2050"},"content":{"rendered":"\n\n\n<p class=\"wp-block-paragraph\">Pour que la Suisse devienne neutre en termes de CO\u2082 d&rsquo;ici 2050, les transports, l&rsquo;approvisionnement en chaleur et l&rsquo;industrie doivent \u00eatre largement \u00e9lectrifi\u00e9s. Les besoins en \u00e9lectricit\u00e9, qui s&rsquo;\u00e9l\u00e8vent aujourd&rsquo;hui \u00e0 56 t\u00e9rawattheures, passeront \u00e0 environ 75 TWh d&rsquo;ici \u00e0 2050. Dans le m\u00eame temps, 23 TWh proviendront de l&rsquo;\u00e9nergie nucl\u00e9aire. La r\u00e9organisation n\u00e9cessaire du syst\u00e8me \u00e9nerg\u00e9tique est d&rsquo;une grande port\u00e9e technique, \u00e9conomique et sociale.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u00e9veloppement massif des \u00e9nergies renouvelables<br><\/strong>Selon le rapport EDGE, environ 60 % de l&rsquo;\u00e9lectricit\u00e9 doit \u00eatre couverte par de nouvelles \u00e9nergies renouvelables d&rsquo;ici 2050, soit 45 TWh par an. Cela serait possible gr\u00e2ce \u00e0 28 TWh provenant de l&rsquo;\u00e9nergie photovolta\u00efque, 13 TWh de l&rsquo;\u00e9nergie \u00e9olienne et 4 TWh de la biomasse. Pour y parvenir, la capacit\u00e9 photovolta\u00efque devrait \u00eatre quadrupl\u00e9e pour atteindre 26,8 GW. L&rsquo;\u00e9nergie \u00e9olienne devrait \u00eatre multipli\u00e9e par 80 pour atteindre 8,4 GW, notamment en hiver. Selon les chercheurs, cela est difficilement r\u00e9alisable sans de fortes subventions.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">La<strong>limitation des importations d&rsquo;\u00e9lectricit\u00e9 rend le syst\u00e8me plus co\u00fbteux<br><\/strong>La nouvelle loi sur l&rsquo;\u00e9lectricit\u00e9 limite les importations nettes d&rsquo;\u00e9lectricit\u00e9 en hiver \u00e0 5 TWh. Pour atteindre cet objectif, il faudrait augmenter de 80 % la capacit\u00e9 \u00e9olienne, de 11 % la capacit\u00e9 gazi\u00e8re et de 10 % la capacit\u00e9 solaire. Les co\u00fbts de production de l&rsquo;\u00e9lectricit\u00e9 augmenteraient alors de 20 % et les prix de l&rsquo;\u00e9lectricit\u00e9 pourraient plus que doubler.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">L<strong>&lsquo;Europe reste d\u00e9terminante<br><\/strong>Si le commerce europ\u00e9en de l&rsquo;\u00e9lectricit\u00e9 \u00e9tait fortement restreint, par exemple par une r\u00e9duction de 70 % des capacit\u00e9s de r\u00e9seau transfrontali\u00e8res, la Suisse devrait augmenter sa production d&rsquo;\u00e9lectricit\u00e9 \u00e9olienne de 20 % suppl\u00e9mentaires. Les co\u00fbts d&rsquo;approvisionnement augmenteraient de 8 % suppl\u00e9mentaires. Une enqu\u00eate men\u00e9e par le consortium EDGE montre que les priorit\u00e9s sont contradictoires. 60 % de la population souhaite coop\u00e9rer avec l&rsquo;Europe, tandis que 70 % veulent l&rsquo;ind\u00e9pendance \u00e9nerg\u00e9tique et privil\u00e9gient les sources d&rsquo;\u00e9nergie nationales.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les investissements partent \u00e0 l&rsquo;\u00e9tranger<br><\/strong>Une autre \u00e9tude montre que plus de la moiti\u00e9 des investissements annuels r\u00e9alis\u00e9s par les fournisseurs d&rsquo;\u00e9nergie suisses dans des projets d&rsquo;\u00e9nergie renouvelable \u00e0 grande \u00e9chelle sont canalis\u00e9s principalement vers l&rsquo;Allemagne, la France et l&rsquo;Italie. Seul 1 % de ces fonds est investi en Suisse. La Suisse ne dispose pas de projets ou de conditions-cadres appropri\u00e9s. La Suisse finance donc souvent la transition \u00e9nerg\u00e9tique de mani\u00e8re indirecte, mais pas chez elle.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Le<strong>net z\u00e9ro a un prix<br><\/strong>Le co\u00fbt de la vie pourrait augmenter entre 2020 et 2050, par exemple en raison des taxes sur le CO\u2082, de l&rsquo;\u00e9change de droits d&rsquo;\u00e9mission ou de l&rsquo;augmentation des co\u00fbts de production. La perte de consommation annuelle d&rsquo;un m\u00e9nage pourrait \u00eatre de 0,63 \u00e0 0,75 %, en fonction de la trajectoire mondiale de protection du climat. En l&rsquo;absence d&rsquo;options de compensation \u00e0 l&rsquo;\u00e9tranger, les co\u00fbts pourraient atteindre 1 %. Toutefois, \u00e0 long terme, cette situation serait plus favorable que les cons\u00e9quences d&rsquo;un changement climatique non ma\u00eetris\u00e9.<\/p>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La transition \u00e9nerg\u00e9tique est possible et ambitieuse<br><\/strong>Un approvisionnement en \u00e9lectricit\u00e9 neutre en CO\u2082 d&rsquo;ici 2050 est techniquement possible si l&rsquo;on d\u00e9veloppe massivement l&rsquo;\u00e9nergie photovolta\u00efque et \u00e9olienne, si l&rsquo;on utilise intelligemment les importations et si l&rsquo;on oriente les investissements de mani\u00e8re cibl\u00e9e. L&rsquo;acc\u00e8s au march\u00e9 europ\u00e9en de l&rsquo;\u00e9lectricit\u00e9 reste crucial. Dans le m\u00eame temps, nous avons besoin d&rsquo;un large soutien social et de comprendre que l&rsquo;inaction sera plus co\u00fbteuse qu&rsquo;une transformation audacieuse.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>La Suisse veut atteindre la neutralit\u00e9 climatique d&rsquo;ici \u00e0 2050 tout en abandonnant progressivement l&rsquo;\u00e9nergie nucl\u00e9aire. Pour relever ce double d\u00e9fi, il faut d\u00e9velopper massivement l&rsquo;\u00e9nergie photovolta\u00efque et \u00e9olienne. Un nouveau rapport du consortium de recherche EDGE montre dans plusieurs \u00e9tudes comment cette transition pourrait r\u00e9ussir. Quel est le r\u00f4le de l&rsquo;Europe et quel sera le co\u00fbt de l&rsquo;\u00e9nergie nette z\u00e9ro pour les m\u00e9nages suisses.<\/p>\n","protected":false},"author":2,"featured_media":135555,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_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":[22699,8747,743,22438],"tags":[2209,3480,11650,835,2155,848,872,3931,4560,2056,2002,874,2259,882,53657,1132,7566,4593,2080],"class_list":["post-135558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-energie","category-immonews-fr","category-trends-fr","tag-bauwesen-fr","tag-co2-neutral-fr","tag-elektronik-fr","tag-energie-fr","tag-erneuerbareenergien-fr","tag-immobilien-fr","tag-immoinvest-fr","tag-immonews-fr","tag-industrie-fr","tag-nachhaltigkeit-fr","tag-news-fr","tag-schweiz-fr","tag-sonnenenergie-fr","tag-strom-fr","tag-stromenergie-fr","tag-verkehr-fr","tag-waermeversorgung-fr","tag-wasserenergie-fr","tag-windenergie-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"La Suisse veut atteindre la neutralit\u00e9 climatique d'ici \u00e0 2050 tout en abandonnant progressivement l'\u00e9nergie nucl\u00e9aire. Pour relever ce double d\u00e9fi, il faut d\u00e9velopper massivement l'\u00e9nergie photovolta\u00efque et \u00e9olienne. Un nouveau rapport du consortium de recherche EDGE montre dans plusieurs \u00e9tudes comment cette transition pourrait r\u00e9ussir. Quel est le r\u00f4le de l'Europe et quel sera le co\u00fbt de l'\u00e9nergie nette z\u00e9ro pour les m\u00e9nages suisses.","autor":"Quelle: ETH","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"La Suisse veut atteindre la neutralit\u00e9 climatique d&#039;ici \u00e0 2050 tout en abandonnant progressivement l&#039;\u00e9nergie nucl\u00e9aire. Pour relever ce double d\u00e9fi, il faut d\u00e9velopper massivement l&#039;\u00e9nergie photovolta\u00efque et \u00e9olienne. Un nouveau rapport du consortium de recherche EDGE montre dans plusieurs \u00e9tudes comment cette transition pourrait r\u00e9ussir. 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