{"id":1164,"date":"2009-02-17T16:09:34","date_gmt":"2009-02-17T16:09:34","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/17\/etats-unis-le-n\/"},"modified":"2012-07-12T11:22:59","modified_gmt":"2012-07-12T11:22:59","slug":"etats-unis-le-n","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/17\/etats-unis-le-n\/","title":{"rendered":"Etats-Unis : le nombre de foyers se chauffant \u00e0 l&rsquo;\u00e9lectricit\u00e9 est en croissance lente"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; <strong><span style=\"font-size: 1.4em\">A<\/span><\/strong>u gr\u00e9 des diverses envol\u00e9es tarifaires des prix de l&rsquo;\u00e9nergie, il serait possible de s&rsquo;attendre, compte tenu du co\u00fbt croissant de ce poste dans les budgets familiaux, \u00e0 de rapides modifications des choix des foyers dans leur mode de chauffage. Or, comme le montre l&rsquo;exemple am\u00e9ricain, les modifications sont en r\u00e9alit\u00e9 tr\u00e8s lentes. Cependant une analyse sur plusieurs ann\u00e9es permet de d\u00e9gager certaines tendances. Tout d&rsquo;abord le mode de chauffage pr\u00e9f\u00e9r\u00e9 des foyers am\u00e9ricains est le gaz naturel qui d\u00e9tient <u>52% de part de march\u00e9<\/u> depuis de nombreuses ann\u00e9es (FIG.). Compte tenu de la croissance de population on assiste donc \u00e0 une l\u00e9g\u00e8re croissance de la consommation de gaz (+4% en six ans). Par contre l&rsquo;utilisation de l&rsquo;\u00e9lectricit\u00e9 comme mode de chauffage est en nette progression. Elle est pass\u00e9e de 32% \u00e0 35% de part de march\u00e9 en six ans. Cette \u00e9volution s&rsquo;est r\u00e9alis\u00e9e aux d\u00e9pens de l&rsquo;utilisation de produits p\u00e9troliers que sont le fuel et le propane.<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/chauffagefoyersus200820091.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"342\" alt=\"Chauffagefoyersus20082009\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/chauffagefoyersus20082009.jpg\" width=\"474\"  \/><\/a> <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Cette utilisation croissante de l&rsquo;\u00e9lectricit\u00e9 qu&rsquo;il, faut attribuer \u00e0 la popularisation des pompes \u00e0 chaleur et \u00e0 l&rsquo;utilisation largement r\u00e9pendue de l&rsquo;air conditionn\u00e9 dans ce pays, doit \u00eatre appel\u00e9e \u00e0 cro\u00eetre dans le futur. En effet, les applications des \u00e9nergies renouvelables, comme le photovolta\u00efque domestique raccord\u00e9 au r\u00e9seau vont permettre tout \u00e0 la fois au foyer d&rsquo;\u00eatre vendeur ou acheteur d&rsquo;\u00e9nergie \u00e9lectrique au distributeur de courant, en fonction des heures de la journ\u00e9e, du temps et des temp\u00e9ratures. De meilleures isolations thermiques, l&rsquo;arriv\u00e9e d&rsquo;un v\u00e9hicule \u00e9lectrique vont peu \u00e0 peu inciter les consommateurs \u00e0 se tourner vers l&rsquo;\u00e9nergie \u00e9lectrique pour assurer tous leurs besoins en \u00e9nergie. Mais le processus sera lent.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Pour les deux autres formes d&rsquo;\u00e9nergie que sont le fuel et le propane, ils participent encore de fa\u00e7on non nulle \u00e0 la consommation de p\u00e9trole am\u00e9ricaine, avec un volume stable autour des 600 mille barils par jour (FIG.II). La d\u00e9croissance de leur part de march\u00e9 dans les foyers \u00e9tant compens\u00e9e par l&rsquo;accroissement de population globale am\u00e9ricaine.<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/chauffagefoyersus20082009_b1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"338\" alt=\"Chauffagefoyersus20082009_b\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/chauffagefoyersus20082009_b.jpg\" width=\"457\"  \/><\/a>&nbsp; <\/p>\n<p>(Remarque: ces chiffres ne prennent pas en compte les utilisations industrielles et commerciales de ces sources d&rsquo;\u00e9nergie)<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les habitudes de consommation d&rsquo;\u00e9nergie sont des ph\u00e9nom\u00e8nes tenaces, tr\u00e8s difficiles \u00e0 modifier. Seuls des efforts p\u00e9dagogiques soutenus dans le temps de la part de l&rsquo;Administration et des incitations financi\u00e8res permettront de faire peu \u00e0 peu \u00e9voluer les modes de consommation d&rsquo;\u00e9nergie des citoyens am\u00e9ricains. It&rsquo;s a long way to go!<\/p>\n<p>Le 17 F\u00e9vrier 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Au gr\u00e9 des diverses envol\u00e9es tarifaires des prix de l&rsquo;\u00e9nergie, il serait possible de s&rsquo;attendre, compte tenu du co\u00fbt croissant de ce poste dans les budgets familiaux, \u00e0 de rapides modifications des choix des foyers dans leur mode de chauffage. Or, comme le montre l&rsquo;exemple am\u00e9ricain, les [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":11867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Etats-Unis : le nombre de foyers se chauffant \u00e0 l&#039;\u00e9lectricit\u00e9 est en croissance lente - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/17\/etats-unis-le-n\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Etats-Unis : le nombre de foyers se chauffant \u00e0 l&#039;\u00e9lectricit\u00e9 est en croissance lente - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Au gr\u00e9 des diverses envol\u00e9es tarifaires des prix de l&rsquo;\u00e9nergie, il serait possible de s&rsquo;attendre, compte tenu du co\u00fbt croissant de ce poste dans les budgets familiaux, \u00e0 de rapides modifications des choix des foyers dans leur mode de chauffage. 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