{"id":7507,"date":"2020-08-07T16:07:21","date_gmt":"2020-08-07T14:07:21","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=7507"},"modified":"2020-08-07T16:08:01","modified_gmt":"2020-08-07T14:08:01","slug":"sonnenstrom-konnte-schweizer-energieproblem-losen","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/sonnenstrom-konnte-schweizer-energieproblem-losen\/","title":{"rendered":"L&rsquo;\u00e9nergie solaire pourrait r\u00e9soudre les probl\u00e8mes \u00e9nerg\u00e9tiques suisses"},"content":{"rendered":"<p class=\"bodytext\"> Seul le photovolta\u00efque peut montrer \u00e0 la Suisse la voie d&rsquo;un avenir sans CO2, \u00e9crit Peter Richner, directeur adjoint de l&rsquo;Institut f\u00e9d\u00e9ral des essais et de la recherche sur les mat\u00e9riaux ( <a href=\"https:\/\/www.empa.ch\" target=\"_blank\" rel=\"noopener noreferrer\">Empa<\/a> ), dans un <a href=\"https:\/\/www.avenir-suisse.ch\/nachfrage-nach-strom-steigt\/\" target=\"_blank\" rel=\"noopener noreferrer\">article<\/a> pour <a href=\"https:\/\/www.avenir-suisse.ch\" target=\"_blank\" rel=\"noopener noreferrer\">Avenir Suisse<\/a> . Il est bas\u00e9 sur l&rsquo;identit\u00e9 dite de Kaya, que le scientifique japonais Yoichi Kaya a utilis\u00e9e en 1993 pour d\u00e9crire la quantit\u00e9 totale d&rsquo;\u00e9missions anthropiques de CO2 en fonction de quatre facteurs. Le quatri\u00e8me seul, une r\u00e9duction de l&#8217;empreinte CO2, a un potentiel suffisant, selon Richner, pour atteindre les objectifs climatiques de la Suisse &#8211; gr\u00e2ce \u00e0 une expansion massive du photovolta\u00efque.<\/p>\n<p class=\"bodytext\"> Si seulement 50% de tous les toits suisses \u00e9taient \u00e9quip\u00e9s de modules solaires, l&rsquo;\u00e9lectricit\u00e9 provenant des centrales nucl\u00e9aires serait superflue. Richner le d\u00e9montre en termes d&rsquo;offre et de demande d&rsquo;\u00e9lectricit\u00e9 pour 2015. Cependant, si tous les toits et de plus en plus les fa\u00e7ades des b\u00e2timents \u00e9taient \u00e9quip\u00e9s de panneaux solaires, l&rsquo;\u00e9cart de production en hiver pourrait \u00e9galement \u00eatre compens\u00e9. Dans le m\u00eame temps, cependant, il faudrait trouver des solutions pour pouvoir utiliser une part aussi importante du surplus d&rsquo;\u00e9lectricit\u00e9 que possible en \u00e9t\u00e9, \u00e0 la fois sur une base quotidienne et \u00e0 d&rsquo;autres moments de l&rsquo;ann\u00e9e.<\/p>\n<p class=\"bodytext\"> Pour une flexibilit\u00e9 d&rsquo;utilisation accrue, les syst\u00e8mes de stockage journalier pourraient d\u00e9placer des charges, par exemple via des batteries ou de l&rsquo;hydrog\u00e8ne. La num\u00e9risation offre des opportunit\u00e9s pour la cr\u00e9ation n\u00e9cessaire de la flexibilit\u00e9 dans la consommation et la production. L&rsquo;exc\u00e8s d&rsquo;\u00e9lectricit\u00e9 pourrait \u00eatre converti en hydrog\u00e8ne en \u00e9t\u00e9 et \u00e9ventuellement, avec le CO2 de l&rsquo;air, en m\u00e9thane ou en hydrocarbures synth\u00e9tiques liquides. Ces sources d&rsquo;\u00e9nergie chimique peuvent \u00eatre facilement stock\u00e9es et utilis\u00e9es de diff\u00e9rentes mani\u00e8res. Enfin, les syst\u00e8mes de stockage de chaleur saisonniers pourraient \u00eatre charg\u00e9s avec un surplus d&rsquo;\u00e9lectricit\u00e9 afin de r\u00e9duire la consommation d&rsquo;\u00e9nergie en hiver.<\/p>\n<p class=\"bodytext\"> Le potentiel d&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique, un autre facteur influen\u00e7ant de l&rsquo;identit\u00e9 Kaya, est loin d&rsquo;\u00eatre \u00e9puis\u00e9, dit Richner. Cependant, les r\u00e9alisations dans ce domaine seraient contrebalanc\u00e9es par une demande d&rsquo;\u00e9lectricit\u00e9 plus \u00e9lev\u00e9e, des importations d&rsquo;\u00e9lectricit\u00e9 fossile de l&rsquo;\u00e9tranger en hiver ou une consommation d&rsquo;\u00e9lectricit\u00e9 accrue.<\/p>\n<p class=\"bodytext\"> Afin de parvenir \u00e0 une Suisse climatiquement neutre, l&rsquo;un des quatre facteurs de l&rsquo;identit\u00e9 Kaya doit \u00eatre nul ou le produit restant est compens\u00e9 par des technologies n\u00e9gatives en CO2 telles que la s\u00e9paration du CO2 de l&rsquo;air et son stockage. Les politiciens doivent fournir un cadre d\u00e9cisif pour cela tant que les centrales nucl\u00e9aires fonctionnent encore.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z\u00fcrich\/Lausanne &#8211; Der stellvertretende Empa-Direktor Peter Richner analysiert in einem Beitrag f\u00fcr Avenir Suisse, welche Faktoren tats\u00e4chlich in eine CO2-freie Zukunft f\u00fchren k\u00f6nnen. Sein Fazit: Die Schweiz muss massiv auf Solarstrom setzen.<\/p>\n","protected":false},"author":2,"featured_media":6269,"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":[8747,743],"tags":[2802,2803,2339,2155,872,2804,2805,2806,2002,873,2807,882,2808],"class_list":["post-7507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-immonews-fr","tag-avenirsuisse-fr","tag-batterie-fr","tag-empa-fr","tag-erneuerbareenergien-fr","tag-immoinvest-fr","tag-kayaidentitaet-fr","tag-kernkraft-fr","tag-klimaziel-fr","tag-news-fr","tag-photovoltaik-fr","tag-politik-fr","tag-strom-fr","tag-yoichikaya-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Dans un article pour Avenir Suisse, le directeur adjoint de l&#39;Empa, Peter Richner, analyse quels facteurs peuvent r\u00e9ellement conduire \u00e0 un avenir sans CO2. Sa conclusion: la Suisse doit fortement s&#39;appuyer sur l&#39;\u00e9nergie solaire.","autor":"mm ","ort":"Z\u00fcrich\/Lausanne","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":null,"newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Z\u00fcrich\/Lausanne \u2013 Der stellvertretende Empa-Direktor Peter Richner analysiert in einem Beitrag f\u00fcr Avenir Suisse, welche Faktoren tats\u00e4chlich in eine CO2-freie Zukunft f\u00fchren k\u00f6nnen. 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