{"id":163597,"date":"2026-08-25T12:11:32","date_gmt":"2026-08-25T10:11:32","guid":{"rendered":"https:\/\/www.immo-invest.ch\/luzern-ringt-um-seine-daecher\/"},"modified":"2026-08-25T14:22:00","modified_gmt":"2026-08-25T12:22:00","slug":"luzern-ringt-um-seine-daecher","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/luzern-ringt-um-seine-daecher\/","title":{"rendered":"Lucerne se bat pour pr\u00e9server ses toits"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Depuis le 1er mars 2025, le canton de Lucerne impose une obligation de production d&rsquo;&eacute;lectricit&eacute; sur place pour les nouvelles constructions et les r&eacute;novations importantes de toitures. Cette obligation exige d&rsquo;exploiter de mani&egrave;re appropri&eacute;e le potentiel techniquement et &eacute;conomiquement viable de la surface de toiture pour la production d&rsquo;&eacute;lectricit&eacute;, ou de s&rsquo;acquitter d&rsquo;une redevance de substitution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les nouvelles constructions, au moins 50 % de la surface de toiture exploitable doit &ecirc;tre affect&eacute;e &agrave; cette fin. En cas de r&eacute;novation de toiture, cette exigence est de 25 %. Sont concern&eacute;s les b&acirc;timents pr&eacute;sentant des besoins &eacute;nerg&eacute;tiques. Les petites surfaces, celles qui sont peu adapt&eacute;es ou &agrave; faible rendement, ainsi que divers b&acirc;timents sp&eacute;ciaux, sont exclus de cette obligation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L&rsquo;appel &agrave; la libert&eacute;<br><\/strong>Fabian Stadelmann, d&eacute;put&eacute; UDC au Grand Conseil, demande, avec des cosignataires, que l&rsquo;obligation soit &agrave; nouveau supprim&eacute;e en cas de r&eacute;novation de toiture. Sa motion M 618 a &eacute;t&eacute; d&eacute;pos&eacute;e le 1er d&eacute;cembre 2025. Elle invoque des atteintes disproportionn&eacute;es &agrave; la libert&eacute; de propri&eacute;t&eacute; et &agrave; la libert&eacute; d&rsquo;am&eacute;nagement. Or, c&rsquo;est pr&eacute;cis&eacute;ment dans le cas des biens immobiliers existants que les conditions architecturales, techniques et &eacute;conomiques sont souvent exigeantes. Le photovolta&iuml;que devrait se d&eacute;velopper gr&acirc;ce &agrave; des mesures incitatives, et non par le biais d&rsquo;obligations l&eacute;gales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette revendication soul&egrave;ve un point r&eacute;el. Les r&eacute;novations de toitures sont complexes. La statique, la protection du paysage urbain, la v&eacute;g&eacute;talisation, les superstructures, l&rsquo;autoconsommation et les co&ucirc;ts d&rsquo;investissement doivent s&rsquo;harmoniser. Une prescription peut acc&eacute;l&eacute;rer les projets. Mais elle peut aussi d&eacute;clencher des conflits si elle est per&ccedil;ue comme un mod&egrave;le rigide.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le gouvernement mise sur le timing<br><\/strong>Le Conseil d&rsquo;&Eacute;tat lucernois souhaite maintenir l&rsquo;obligation et propose de rejeter la motion. Son argumentation est pragmatique. Une r&eacute;novation de toiture offre souvent la seule occasion r&eacute;aliste d&rsquo;installer un syst&egrave;me photovolta&iuml;que pendant des d&eacute;cennies. Manquer ce moment revient &agrave; laisser une grande partie du potentiel inexploit&eacute;e &agrave; long terme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le potentiel cantonal sur les toitures s&rsquo;&eacute;l&egrave;ve &agrave; environ 3,3 t&eacute;rawattheures d&rsquo;&eacute;lectricit&eacute; solaire par an. D&rsquo;ici 2050, Lucerne souhaite en exploiter 2,5 t&eacute;rawattheures. Du point de vue du gouvernement, cela n&eacute;cessite l&rsquo;installation d&rsquo;un syst&egrave;me photovolta&iuml;que sur chaque toiture pouvant &ecirc;tre utilement exploit&eacute;e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La planification l&rsquo;emporte sur le d&eacute;bat sur l&rsquo;obligation<br><\/strong>Pour le secteur immobilier, l&rsquo;enjeu va bien au-del&agrave; d&rsquo;un simple &laquo; oui &raquo; ou &laquo; non &raquo; politique. Le photovolta&iuml;que doit &ecirc;tre pris en compte d&egrave;s le d&eacute;but de tout projet de r&eacute;novation de toiture. Ceux qui n&rsquo;envisagent l&rsquo;installation de modules qu&rsquo;au moment du d&eacute;p&ocirc;t du permis de construire perdent des options en mati&egrave;re de statique, de v&eacute;g&eacute;talisation, de techniques du b&acirc;timent, d&rsquo;autoconsommation et de rentabilit&eacute;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le d&eacute;bat lucernois t&eacute;moigne d&rsquo;une &eacute;volution majeure. Les toitures deviennent des infrastructures &eacute;nerg&eacute;tiques. Le d&eacute;fi consiste &agrave; associer des objectifs clairs &agrave; des r&egrave;gles applicables dans la pratique. C&rsquo;est ainsi qu&rsquo;une obligation se transforme en valeur ajout&eacute;e pour les propri&eacute;taires et les locataires, ainsi que pour la r&eacute;gion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une toiture r\u00e9nov\u00e9e, c&rsquo;est bien plus qu&rsquo;une simple nouvelle couverture. C&rsquo;est un choix qui concerne l&rsquo;\u00e9nergie, la propri\u00e9t\u00e9 et la valeur future d&rsquo;un bien immobilier. Dans le canton de Lucerne, c&rsquo;est pr\u00e9cis\u00e9ment ce sujet qui devient un sujet de conflit politique. \u00c0 peine l&rsquo;obligation d&rsquo;installer des panneaux solaires est-elle entr\u00e9e en vigueur qu&rsquo;une motion demande sa suppression dans le cadre des r\u00e9novations de toiture.<\/p>\n","protected":false},"author":2,"featured_media":163598,"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":[22699,8747,9437,56027,9652],"tags":[50142,61369,61370,1577,872,3931,5959,2002,873,42133],"class_list":["post-163597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-energie","category-region-lucerne","category-planification-developpement","category-renovation","tag-dachsanierung-fr","tag-eigenstromerzeugung","tag-eigentumsfreiheit","tag-energiewende-fr","tag-immoinvest-fr","tag-immonews-fr","tag-liegenschaft-fr","tag-news-fr","tag-photovoltaik-fr","tag-solarpflicht-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"Une toiture r\u00e9nov\u00e9e, c'est bien plus qu'une simple nouvelle couverture. C'est un choix qui concerne l'\u00e9nergie, la propri\u00e9t\u00e9 et la valeur future d'un bien immobilier. Dans le canton de Lucerne, c'est pr\u00e9cis\u00e9ment ce sujet qui devient un sujet de conflit politique. \u00c0 peine l'obligation d'installer des panneaux solaires est-elle entr\u00e9e en vigueur qu'une motion demande sa suppression dans le cadre des r\u00e9novations de toiture.","autor":"","ort":"","bildunterschrift":"","bild_im_grid":false,"gallerie":"","newsim":"3812"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Une toiture r\u00e9nov\u00e9e, c&#039;est bien plus qu&#039;une simple nouvelle couverture. C&#039;est un choix qui concerne l&#039;\u00e9nergie, la propri\u00e9t\u00e9 et la valeur future d&#039;un bien immobilier. 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Dans le canton de Lucerne, c&#039;est pr\u00e9cis\u00e9ment ce sujet qui devient un sujet de conflit politique. \u00c0 peine l&#039;obligation d&#039;installer des panneaux solaires est-elle entr\u00e9e en vigueur qu&#039;une motion demande sa suppression dans le cadre des r\u00e9novations de toiture.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.immo-invest.ch\/fr\/luzern-ringt-um-seine-daecher\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/08\/Luzern-ringt-um-seine-Daecher-immo-invest.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/08\/Luzern-ringt-um-seine-Daecher-immo-invest.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-08-25T10:11:32+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-08-25T12:22:00+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Immoinvest\/100077962920504\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@i\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Lucerne se bat pour pr\u00e9server ses toits - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Une toiture r\u00e9nov\u00e9e, c&#039;est bien plus qu&#039;une simple nouvelle couverture. 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