{"id":5584,"date":"2016-10-20T13:00:15","date_gmt":"2016-10-20T11:00:15","guid":{"rendered":"https:\/\/geothermie-schweiz.ch\/?p=5584&lang=fr"},"modified":"2016-10-20T13:06:02","modified_gmt":"2016-10-20T11:06:02","slug":"une-etude-montre-que-le-potentiel-existe","status":"publish","type":"post","link":"https:\/\/geothermie-schweiz.ch\/fr\/une-etude-montre-que-le-potentiel-existe\/","title":{"rendered":"Une \u00e9tude montre que le potentiel existe"},"content":{"rendered":"

Il est possible qu\u2019une ressource en eau chaude exploitable existe dans la vall\u00e9e du Rhin entre 1’000 et 1’500 m\u00e8tres de profondeur. En effet, une \u00e9tude men\u00e9e conjointement par les cantons de Saint-Gall et des Grisons semble le montrer. <\/strong>Le p\u00e9rim\u00e8tre de la recherche visait tant \u00e0 qualifier la ressource g\u00e9othermique qu\u2019\u00e0 identifier les besoins.<\/strong><\/p>\n

La recherche intercantonale \u00ab Etude du potentiel g\u00e9othermique profond hydrothermal de la Vall\u00e9e du Rhin dans la r\u00e9gion de Coire et de Sargans jusqu\u2019au Walensee\u00a0\u00bb a men\u00e9 un examen du potentiel d\u2019utilisation de la g\u00e9othermie dans ce secteur. Comme peu de donn\u00e9es sur le sous-sol g\u00e9ologique sont disponibles, l’\u00e9tude fonde ses pr\u00e9visions une mod\u00e9lisation des d\u00e9bits et temp\u00e9ratures estim\u00e9s. Au cours de ce travail un mod\u00e8le g\u00e9ologique 3D global du sous-sol profond a tout d\u2019abord \u00e9t\u00e9 g\u00e9n\u00e9r\u00e9. D\u00e8s lors l’examen des ressources pr\u00e9sum\u00e9es renferme toujours des incertitudes.<\/p>\n

Les r\u00e9sultats de l'\u00e9tude<\/strong>
Zones potentielles<\/th>Unit\u00e9s aquif\u00e8res<\/th>
Remarques<\/div><\/th><\/tr><\/thead>
Site de Walenstadt \/ Flums<\/td>Nappe de Glaris<\/td>
< 1MW de puissance thermique par installation, production de chaleur, comprend tous les grands clients<\/div><\/td><\/tr>
Site de Sargans<\/td>Nappe de Glaris<\/td>
< 1MW de puissance thermique par installation, production de chaleur, comprend \u00e9ventuellement un raccordement de grands clients<\/div><\/td><\/tr>
Site de Vilters \/ Wangs<\/td>Calcaires infra-helv\u00e9tiques<\/td>
Potentiel de >10 MW de puissance thermique par installation. Syst\u00e8mes coupl\u00e9s de production de chaleur et d\u2019\u00e9lectricit\u00e9 aussi possibles.<\/div><\/td><\/tr>
Site de Bad Ragaz \/ Maienfeld<\/td>Calcaires infra-helv\u00e9tiques, cristallin<\/td>
Potentiel de >10 MW de puissance thermique par installation. Syst\u00e8mes coupl\u00e9s de production de chaleur et d\u2019\u00e9lectricit\u00e9 aussi possibles, plusieurs cibles potentielles atteignables par forage.<\/div><\/td><\/tr>
Site de Landquart \/ Zizers<\/td>Cristallin<\/td>
< 10 MW de puissance thermique par installation, production de chaleur, diminutions des clients potentiels (extension du r\u00e9seau de chauffage \u00e0 distance par KVA Trimmis planifi\u00e9)<\/div><\/td><\/tr>
Site de Coire<\/td>Calcaires infra-helv\u00e9tiques, cristallin<\/td>
Potentiel > 10 MW de puisaance thermique par installation, couplage de production de chaleur et de production \u00e9lectrique. Incertitudes importantes sur les profondeurs et temp\u00e9ratures pr\u00e9visibles.<\/div><\/td><\/tr>
Site de Domat\/Ems<\/td>Calcaires infra-helv\u00e9tiques, cristallin<\/td>
< 10 MW de puissance thermique par installation. Production de chaleur, futurs d\u00e9veloppements d\u2019une centrale \u00e0 bois, d\u00e8s lors potentiel de preneurs pas clair.<\/div><\/td><\/tr>
Site de Bonaduz \/ Rh\u00e4z\u00fcns<\/td>Calcaires infra-helv\u00e9tiques, cristallin<\/td>
Potentiel > 10 MW de puissance thermique par installation, couplage de production de chaleur et de production \u00e9lectrique prossible, grandes incertitudes sur les pr\u00e9visions, nombre de preneurs potentiels critique.<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n
\"Image:

Image: Points d\u2019importants besoins de consommation de chaleur.<\/p><\/div>\n

Sur les quatre sites potentiels de Vilters \/ Wang, Bad Ragaz \/ Maienfeld, Coire et Bonaduz \/ Rh\u00e4z\u00fcns, des puissances thermiques de plus de 10 m\u00e9gawatts par installation existent, dans lesquelles un couplage entre de la production de chaleur et d\u2019\u00e9lectricit\u00e9 sont \u00e0 consid\u00e9rer.<\/p>\n

Les sites potentiels de Walenstadt \/ Flums, Sargans, Landquart \/ Zizers et Domat \/ Ems sont sur la base des connaissances g\u00e9ologiques actuelles et en consid\u00e9rant le potentiel de consommation de chaleur, plut\u00f4t destin\u00e9es \u00e0 recevoir des installations d\u2019une puissance thermique inf\u00e9rieure \u00e0 10 MW.
\n 
\n 
\n 
\n <\/p>\n","protected":false},"excerpt":{"rendered":"

Il est possible qu\u2019une ressource en eau chaude exploitable existe dans la vall\u00e9e du Rhin entre 1’000 et 1’500 m\u00e8tres de profondeur. En effet, une \u00e9tude men\u00e9e conjointement par les […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[170],"tags":[],"class_list":["post-5584","post","type-post","status-publish","format-standard","hentry","category-geothermique-en-suisse-orientale"],"acf":[],"yoast_head":"\nUne \u00e9tude montre que le potentiel existe - G\u00e9othermie-Suisse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geothermie-schweiz.ch\/studie-zeigt-potenziale-vorhanden\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une \u00e9tude montre que le potentiel existe - G\u00e9othermie-Suisse\" \/>\n<meta property=\"og:description\" content=\"Il est possible qu\u2019une ressource en eau chaude exploitable existe dans la vall\u00e9e du Rhin entre 1’000 et 1’500 m\u00e8tres de profondeur. En effet, une \u00e9tude men\u00e9e conjointement par les […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geothermie-schweiz.ch\/studie-zeigt-potenziale-vorhanden\/\" \/>\n<meta property=\"og:site_name\" content=\"G\u00e9othermie-Suisse\" \/>\n<meta property=\"article:published_time\" content=\"2016-10-20T11:00:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-10-20T11:06:02+00:00\" \/>\n<meta name=\"author\" content=\"geoadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"geoadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/studie-zeigt-potenziale-vorhanden\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/studie-zeigt-potenziale-vorhanden\\\/\"},\"author\":{\"name\":\"geoadmin\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/#\\\/schema\\\/person\\\/2d3fa60d80d78e045e036f6a618660af\"},\"headline\":\"Une \u00e9tude montre que le potentiel existe\",\"datePublished\":\"2016-10-20T11:00:15+00:00\",\"dateModified\":\"2016-10-20T11:06:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/studie-zeigt-potenziale-vorhanden\\\/\"},\"wordCount\":288,\"publisher\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/#organization\"},\"articleSection\":[\"G\u00e9othermique en Suisse orientale\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/studie-zeigt-potenziale-vorhanden\\\/\",\"url\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/studie-zeigt-potenziale-vorhanden\\\/\",\"name\":\"Une \u00e9tude montre que le potentiel existe - 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