{"id":29865,"date":"2024-07-11T16:00:42","date_gmt":"2024-07-11T14:00:42","guid":{"rendered":"https:\/\/geothermie-schweiz.ch\/?p=29865"},"modified":"2024-08-22T16:00:40","modified_gmt":"2024-08-22T14:00:40","slug":"energie-provenant-des-eaux-souterraines","status":"publish","type":"post","link":"https:\/\/geothermie-schweiz.ch\/fr\/energie-provenant-des-eaux-souterraines\/","title":{"rendered":"\u00c9nergie provenant des eaux souterraines"},"content":{"rendered":"<p><strong>Sur mandat de l&rsquo;OFEN, GEOTEST SA a d\u00e9termin\u00e9 le potentiel d&rsquo;utilisation de la chaleur dans les aquif\u00e8res de roches meubles en Suisse. Le jeu de g\u00e9odonn\u00e9es qui en r\u00e9sulte peut d\u00e8s \u00e0 pr\u00e9sent \u00eatre t\u00e9l\u00e9charg\u00e9.<\/strong><strong><!--more--><\/strong><\/p>\n<p>En Suisse, 80 pour cent de l&rsquo;eau potable provient des eaux souterraines. Mais l&rsquo;eau souterraine est aussi une <strong>source d&rsquo;\u00e9nergie thermique importante.<\/strong> Elle peut \u00eatre utilis\u00e9e comme <strong>source de chaleur<\/strong> ou comme <strong>r\u00e9servoir<\/strong>. Une <a href=\"https:\/\/www.bfe.admin.ch\/bfe\/fr\/home\/news-und-medien\/publikationen.exturl.html\/aHR0cHM6Ly9wdWJkYi5iZmUuYWRtaW4uY2gvZGUvcHVibGljYX\/Rpb24vZG93bmxvYWQvMTE3MzM=.html\" target=\"_blank\" rel=\"noopener\">\u00e9tude command\u00e9e par l&rsquo;Office f\u00e9d\u00e9ral de l&rsquo;\u00e9nergie<\/a> a examin\u00e9 le potentiel d&rsquo;utilisation de la chaleur dans les eaux souterraines &#8211; et plus pr\u00e9cis\u00e9ment dans les roches meubles. Les r\u00e9sultats sont disponibles sous forme de jeu de g\u00e9odonn\u00e9es sur le g\u00e9oportail f\u00e9d\u00e9ral <a href=\"http:\/\/map.geo.admin.ch\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">map.geo.admin.ch<\/span><\/a>. (<span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.bfe.admin.ch\/bfe\/fr\/home\/news-und-medien\/publikationen.exturl.html\/aHR0cHM6Ly9wdWJkYi5iZmUuYWRtaW4uY2gvZGUvcHVibGljYX\/Rpb24vZG93bmxvYWQvMTE3MzM=.html\" target=\"_blank\" rel=\"noopener\">lien direct, DE<\/a><\/span>).<\/p>\n<p>L&rsquo;\u00e9tude arrive \u00e0 la conclusion suivante : <strong>Dans les roches meubles suisses, les eaux souterraines offrent un grand potentiel<\/strong>, mais celui-ci est encore loin d&rsquo;\u00eatre \u00e9puis\u00e9. L&rsquo;\u00e9tude arrive \u00e0 un <strong>potentiel \u00e9nerg\u00e9tique de 17 TWh<\/strong>. Ceci en supposant que la ressource constitue un syst\u00e8me ferm\u00e9, qu&rsquo;il n&rsquo;y a donc pas d&rsquo;\u00e9change thermique et que les eaux souterraines ne se r\u00e9g\u00e9n\u00e8rent pas non plus. Or, dans la r\u00e9alit\u00e9, la pluie, la neige ou les apports souterrains influencent la ressource en eau souterraine et ses caract\u00e9ristiques.<\/p>\n<p>Les auteurs de l&rsquo;\u00e9tude ont calcul\u00e9 le potentiel \u00e0 l&rsquo;aide des jeux de g\u00e9odonn\u00e9es disponibles des cantons et de la Conf\u00e9d\u00e9ration. Cependant, tous les cantons ne disposent pas d&rsquo;informations comparables sur les ressources en eau souterraine. C&rsquo;est pourquoi seul un potentiel th\u00e9orique a pu \u00eatre calcul\u00e9.<\/p>\n<p>N\u00e9anmoins, on s&rsquo;attend \u00e0 ce que l&rsquo;utilisation des eaux souterraines pour la chaleur ou le stockage gagne en importance &#8211; et pas seulement dans les roches meubles. Des projets de ce type existent d\u00e9j\u00e0 aujourd&rsquo;hui :<\/p>\n<ul>\n<li>Ewb, le fournisseur d&rsquo;\u00e9nergie de la ville de Berne, met par exemple en \u0153uvre un\u00a0<span style=\"text-decoration: underline;\"><a href=\"https:\/\/energeiaplus.com\/2023\/03\/14\/pilotprojekt-geospeicher-winter-energievorrat-im-stadtberner-untergrund\/\" target=\"_blank\" rel=\"noopener\">projet pilote pour un tel stockage de chaleur saisonnier<\/a>\u00a0<\/span>pr\u00e8s de l&rsquo;usine d&rsquo;incin\u00e9ration des ordures m\u00e9nag\u00e8res. Les propri\u00e9t\u00e9s et les caract\u00e9ristiques des eaux souterraines pour une utilisation thermique dans la r\u00e9gion de Berne font actuellement l&rsquo;objet d&rsquo;\u00e9tudes plus approfondies afin de d\u00e9finir d&rsquo;autres sites possibles.<\/li>\n<li>Autre exemple pratique : le\u00a0<span style=\"text-decoration: underline;\"><a href=\"https:\/\/energeiaplus.com\/2023\/06\/07\/grundwasser-als-waermespeicher-zum-heizen-und-kuehlen-das-beispiel-swatch-omega\/\" target=\"_blank\" rel=\"noopener\">groupe horloger Swatch-Omega\u00a0<\/a><\/span>utilise l&rsquo;aquif\u00e8re situ\u00e9 sous son si\u00e8ge principal \u00e0 Bienne pour chauffer et refroidir plusieurs b\u00e2timents.<\/li>\n<li>L&rsquo;<span style=\"text-decoration: underline;\"><a href=\"https:\/\/energeiaplus.com\/2024\/03\/18\/eiszeitlicher-aquifer-unter-den-pisten\/\" target=\"_blank\" rel=\"noopener\">a\u00e9roport de Zurich<\/a><\/span>\u00a0a lanc\u00e9 un projet visant \u00e0 utiliser un aquif\u00e8re profond comme r\u00e9servoir saisonnier.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline;\"><strong><br \/>\nInterview avec Pierre Christe, OFEN<\/strong><\/span><br \/>\nLes eaux souterraines sous nos pieds sont-elles donc une mine d&rsquo;or pour la production ou le stockage de chaleur ? Quels sont les d\u00e9fis pos\u00e9s par l&rsquo;exploitation thermique de cette ressource digne de protection ?<br \/>\nEnergeiaplus a rencontr\u00e9 <strong>Pierre Christe<\/strong>, Sp\u00e9cialiste des \u00e9nergies renouvelables \u00e0 l&rsquo;Office f\u00e9d\u00e9ral de l&rsquo;\u00e9nergie (OFEN) pour une interview. <span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/energeiaplus.com\/2024\/07\/10\/neue-studie-das-grundwasser-zu-energetischen-zwecken-optimal-nutzen\/?translateto=fr\" target=\"_blank\" rel=\"noopener\">Lisez l&rsquo;int\u00e9gralit\u00e9 de l&rsquo;interview ici<\/a>.<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Plus d&rsquo;informations<\/strong><\/p>\n<ul>\n<li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/energeiaplus.com\/2024\/07\/10\/neue-studie-das-grundwasser-zu-energetischen-zwecken-optimal-nutzen\/\" target=\"_blank\" rel=\"noopener\">Magazin ENERGEIA, OFEN &#8211; Nouvelle \u00e9tude : utiliser au mieux les eaux souterraines \u00e0 des fins \u00e9nerg\u00e9tiques<\/a><\/span> (traduction automatis\u00e9e)<\/li>\n<li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Studie_Grundwasserwaermenutzung.pdf\" target=\"_blank\" rel=\"noopener\">Geodatensatz zum W\u00e4rmenutzungspotenzial in den Lockergesteins-Grundwasserleitern der Schweiz, Schlussbericht <\/a><\/span>\u00a0(Rapport final en DE)<\/li>\n<li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.geotest.ch\/fr\/actuel\/hydrogeologie-et-geothermie\/potentiel-d-utilisation-de-la-chaleur-dans-les-aquiferes-en-roches-meubles-en-suisse-le-nouveau-jeu-de-donnees-est-consultable-en-ligne\" target=\"_blank\" rel=\"noopener\">GEOTEST, Actualit\u00e9s : Potentiel d&rsquo;utilisation de la chaleur dans les aquif\u00e8res en roches meubles en Suisse<\/a><\/span><\/li>\n<li><span style=\"text-decoration: underline;\"><a href=\"\/?page_id=20901#tab2\" target=\"_blank\" rel=\"noopener\">Potentiel stockage de la g\u00e9othermie<\/a><\/span><\/li>\n<\/ul>\n<div id=\"attachment_29877\" style=\"width: 1148px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Studie_Grundwasserwaermenutzung.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29877\" class=\"wp-image-29877 size-full\" src=\"https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen.png\" alt=\"\" width=\"1138\" height=\"584\" srcset=\"https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen.png 1138w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-300x154.png 300w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-1024x525.png 1024w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-768x394.png 768w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-1134x582.png 1134w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-826x424.png 826w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-602x309.png 602w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-395x203.png 395w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-404x207.png 404w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-390x200.png 390w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-850x436.png 850w, https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen-635x326.png 635w\" sizes=\"auto, (max-width: 1138px) 100vw, 1138px\" \/><\/a><p id=\"caption-attachment-29877\" class=\"wp-caption-text\"><strong>Potentiel d&rsquo;utilisation de la chaleur dans les aquif\u00e8res en roches meubles en Suisse<\/strong> : Les aquif\u00e8res en roches meubles constituent d&rsquo;importants r\u00e9servoirs d&rsquo;eau souterraine avec un volume d&rsquo;eau de plus de 4000 km3. Les eaux souterraines contiennent une quantit\u00e9 consid\u00e9rable de chaleur qui peut \u00eatre utilis\u00e9e comme source potentielle pour des syst\u00e8mes de chauffage durables au moyen de pompes \u00e0 chaleur. (<em>Source Geotest<\/em>)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sur mandat de l&rsquo;OFEN, GEOTEST SA a d\u00e9termin\u00e9 le potentiel d&rsquo;utilisation de la chaleur dans les aquif\u00e8res de roches meubles en Suisse. Le jeu de g\u00e9odonn\u00e9es qui en r\u00e9sulte peut [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":29878,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1126,160],"tags":[],"class_list":["post-29865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissances-professionnelles","category-ofen"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9nergie provenant des eaux souterraines - 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\/neue-studie-energie-aus-grundwasser\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9nergie provenant des eaux souterraines - G\u00e9othermie-Suisse\" \/>\n<meta property=\"og:description\" content=\"Sur mandat de l&rsquo;OFEN, GEOTEST SA a d\u00e9termin\u00e9 le potentiel d&rsquo;utilisation de la chaleur dans les aquif\u00e8res de roches meubles en Suisse. Le jeu de g\u00e9odonn\u00e9es qui en r\u00e9sulte peut [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geothermie-schweiz.ch\/neue-studie-energie-aus-grundwasser\/\" \/>\n<meta property=\"og:site_name\" content=\"G\u00e9othermie-Suisse\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-11T14:00:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-22T14:00:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/geothermie-schweiz.ch\/wp_live\/wp-content\/uploads\/2024\/07\/Grundwasservorkommen.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1138\" \/>\n\t<meta property=\"og:image:height\" content=\"584\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Geothermie Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Geothermie Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/\"},\"author\":{\"name\":\"Geothermie Admin\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/#\\\/schema\\\/person\\\/c8f269239d9dad84257caae2486aba78\"},\"headline\":\"\u00c9nergie provenant des eaux souterraines\",\"datePublished\":\"2024-07-11T14:00:42+00:00\",\"dateModified\":\"2024-08-22T14:00:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/\"},\"wordCount\":665,\"publisher\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/wp_live\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/Grundwasservorkommen.png\",\"articleSection\":[\"Connaissances professionnelles\",\"OFEN\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/\",\"url\":\"https:\\\/\\\/geothermie-schweiz.ch\\\/neue-studie-energie-aus-grundwasser\\\/\",\"name\":\"\u00c9nergie provenant des eaux souterraines - 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