{"id":4185,"date":"2026-06-09T17:21:27","date_gmt":"2026-06-09T15:21:27","guid":{"rendered":"https:\/\/suntechnics.ch\/?p=4185"},"modified":"2026-06-09T17:22:52","modified_gmt":"2026-06-09T15:22:52","slug":"les-sept-erreurs-a-eviter-lors-de-lachat-dune-installation-solaire","status":"publish","type":"post","link":"https:\/\/suntechnics.ch\/fr\/les-sept-erreurs-a-eviter-lors-de-lachat-dune-installation-solaire\/","title":{"rendered":"Les sept erreurs \u00e0 \u00e9viter lors de l\u2019achat d\u2019une installation solaire"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><em>L\u2019investissement dans une installation solaire a un impact sur les co\u00fbts \u00e9nerg\u00e9tiques et l\u2019autonomie \u00e9nerg\u00e9tique pendant plusieurs d\u00e9cennies. Pourtant, les propri\u00e9taires peuvent commettre certaines erreurs \u00e9vitables lors de la planification et du choix de leur installation photovolta\u00efque. En les connaissant et en les \u00e9vitant, il est possible d\u2019optimiser le rendement \u00e0 long terme et d\u2019\u00e9viter des d\u00e9penses inutiles. Voici les principales erreurs auxquelles vous devez pr\u00eater attention.   <\/em><\/h2>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"definition_solaranlagen\" class=\"wp-block-heading\"><strong>1. Une installation mal dimensionn\u00e9e<\/strong><\/h2>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019un des erreurs les plus fr\u00e9quentes est le mauvais dimensionnement de l\u2019installation. Une installation trop petite ne produit pas suffisamment d\u2019\u00e9lectricit\u00e9 solaire pour couvrir les besoins \u00e9nerg\u00e9tiques du foyer. \u00c0 l\u2019inverse, une installation trop grande peut g\u00e9n\u00e9rer un surplus d\u2019\u00e9nergie qui n\u2019est pas enti\u00e8rement consomm\u00e9 sur place et qui doit parfois \u00eatre inject\u00e9 dans le r\u00e9seau \u00e0 des tarifs de rachat peu avantageux.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour \u00e9viter cette erreur, veillez \u00e0 ce qu\u2019une analyse approfondie de votre consommation d\u2019\u00e9lectricit\u00e9 actuelle et future soit r\u00e9alis\u00e9e avant l\u2019installation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. L\u2019absence d\u2019analyse de rentabilit\u00e9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu\u2019on envisage d\u2019installer une installation solaire, on se concentre souvent uniquement sur le co\u00fbt d\u2019acquisition. Pourtant, la rentabilit\u00e9 d\u2019une telle installation d\u00e9pend de nombreux autres facteurs. La consommation d\u2019\u00e9lectricit\u00e9 joue notamment un r\u00f4le important. D\u2019autres \u00e9l\u00e9ments, tels que le taux d\u2019autoconsommation, le prix de l\u2019\u00e9lectricit\u00e9, les aides financi\u00e8res ou encore l\u2019\u00e9ventuelle installation d\u2019une batterie de stockage, influencent \u00e9galement la rentabilit\u00e9 du projet.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En r\u00e9alisant une analyse de rentabilit\u00e9 professionnelle, vous pourrez estimer avec pr\u00e9cision le d\u00e9lai d\u2019amortissement de votre installation ainsi que le rendement que vous pouvez en attendre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Ignorer les zones d\u2019ombre<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les arbres, les b\u00e2timents voisins ou encore les chemin\u00e9es peuvent r\u00e9duire consid\u00e9rablement les performances d\u2019une installation photovolta\u00efque. M\u00eame de faibles ombrages sur certains panneaux peuvent affecter la production globale de l\u2019installation. Pour \u00e9viter cette erreur, il est donc recommand\u00e9 de r\u00e9aliser une analyse d\u00e9taill\u00e9e de l\u2019ombrage avant l\u2019installation.  <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong>4. Une inclinaison et une orientation inad\u00e9quates des panneaux<\/strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un autre \u00e9cueil fr\u00e9quent concerne une mauvaise orientation ou une inclinaison inadapt\u00e9e des panneaux. Ces param\u00e8tres ont un impact direct sur les performances globales de l\u2019installation. Il est donc essentiel que la conception du projet soit adapt\u00e9e aux caract\u00e9ristiques et aux besoins sp\u00e9cifiques du b\u00e2timent.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une simulation de production r\u00e9alis\u00e9e par des professionnels permet \u00e9galement de d\u00e9terminer le positionnement optimal des panneaux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Un conseil insuffisant et un mauvais choix de partenaire<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tous les prestataires sp\u00e9cialis\u00e9s ne disposent pas du m\u00eame niveau d\u2019exp\u00e9rience ni des m\u00eames comp\u00e9tences. Une communication insuffisante ou des promesses de rendement irr\u00e9alistes peuvent notamment entra\u00eener des probl\u00e8mes par la suite. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour \u00e9viter ce type d\u2019erreur, il est recommand\u00e9 de demander plusieurs offres et d\u2019examiner attentivement les r\u00e9f\u00e9rences des prestataires. Posez-vous les bonnes questions : l\u2019impression g\u00e9n\u00e9rale que me donne l\u2019entreprise est-elle positive ? Ai-je encore des interrogations apr\u00e8s l\u2019entretien de conseil ? Les prestataires s\u00e9rieux prennent le temps de r\u00e9pondre \u00e0 toutes vos questions et tiennent compte de vos besoins sp\u00e9cifiques.   <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. Des conditions de maintenance peu claires<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les prestations de service et les garanties li\u00e9es \u00e0 votre installation photovolta\u00efque doivent \u00eatre clairement d\u00e9finies d\u00e8s le d\u00e9part. En cas d\u2019ambigu\u00eft\u00e9, des co\u00fbts suppl\u00e9mentaires peuvent survenir par la suite. Il est donc essentiel de lire attentivement les conditions contractuelles avant de signer un contrat. Les conditions de garantie peuvent en effet varier d\u2019une entreprise \u00e0 l\u2019autre.   <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Absence de certificats et d\u00e9clarations incorrectes<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chez les entreprises exp\u00e9riment\u00e9es, les proc\u00e9dures sont bien rod\u00e9es. Elles connaissent toutes les autorisations n\u00e9cessaires ainsi que les composants conformes aux normes en vigueur. Elles savent \u00e9galement quelles d\u00e9marches administratives doivent \u00eatre effectu\u00e9es et prennent en charge l\u2019ensemble des formalit\u00e9s li\u00e9es \u00e0 l\u2019installation d\u2019un syst\u00e8me photovolta\u00efque. <br><br>\u00c0 prendre en compte :<br><br>&#8211; Sans d\u00e9claration de conformit\u00e9, aucun raccordement au r\u00e9seau n\u2019est possible.<br>&#8211; L\u2019installation photovolta\u00efque doit \u00eatre d\u00e9clar\u00e9e aupr\u00e8s du fournisseur d\u2019\u00e9nergie local.<br>&#8211; Pour b\u00e9n\u00e9ficier des subventions et des garanties d\u2019origine, l\u2019installation doit \u00eatre enregistr\u00e9e aupr\u00e8s de Pronovo.<br>&#8211; Un certificat de s\u00e9curit\u00e9 \u00e9tabli par l\u2019installateur doit \u00eatre disponible et confirm\u00e9 par un contr\u00f4le ind\u00e9pendant.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion : bien planifier l\u2019investissement dans une installation solaire<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le photovolta\u00efque est une technologie d\u2019avenir. Il est donc d\u2019autant plus important de bien r\u00e9fl\u00e9chir \u00e0 son achat et de garder \u00e0 l\u2019esprit les \u00e9ventuels obstacles. En vous informant correctement et si l\u2019entreprise planifie soigneusement l\u2019ensemble du projet, une installation photovolta\u00efque vous apportera toutefois satisfaction sur le long terme.  <a id=\"_msocom_1\"><\/a><\/p>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group alignwide cta__padding has-luminous-vivid-orange-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-small-font-size wp-block-paragraph\" style=\"line-height:.9\"><\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\" id=\"schedule-a-visit\" style=\"font-size:27px;line-height:1.15\"><strong>Vous souhaitez \u00e9viter les erreurs lors de l\u2019installation d\u2019un syst\u00e8me solaire ?<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Alors vous \u00eates au bon endroit. Forts de plus de 40 ans d\u2019exp\u00e9rience dans le secteur photovolta\u00efque, nous garantissons une qualit\u00e9 fiable. Contactez-nous d\u00e8s aujourd\u2019hui.  <\/p>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-7d812b4c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-text-color has-background wp-element-button\" href=\"https:\/\/suntechnics.ch\/fr\/contact\/\" style=\"border-radius:50px;color:#ffffff;background-color:#000000\">Prenez contact avec nous<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 id=\"eignung\" class=\"wp-block-heading\"><\/h2>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>ors de l\u2019achat d\u2019une installation solaire, certaines erreurs peuvent \u00eatre commises. Pourtant, elles sont faciles \u00e0 \u00e9viter. Il est notamment essentiel de choisir le bon partenaire. D\u00e9couvrez dans cet article les autres points auxquels vous devez pr\u00eater attention et comment \u00e9viter les erreurs les plus courantes.   <\/p>\n","protected":false},"author":9,"featured_media":4189,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[124,125],"class_list":["post-4185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-installations-solaires","tag-installation-solaire","tag-photovoltaique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les sept erreurs \u00e0 \u00e9viter lors de l\u2019achat d\u2019une installation solaire - Suntechnics<\/title>\n<meta name=\"description\" content=\"Lors de l\u2019achat d\u2019une installation solaire, certaines erreurs peuvent survenir. 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