{"id":4573,"date":"2023-01-20T21:27:00","date_gmt":"2023-01-20T21:27:00","guid":{"rendered":"https:\/\/ped4all.eu\/2023\/01\/20\/introduction-a-ostiense-italie\/"},"modified":"2025-03-24T20:48:55","modified_gmt":"2025-03-24T20:48:55","slug":"introduction-a-ostiense-italie","status":"publish","type":"post","link":"https:\/\/ped4all.eu\/fr\/2023\/01\/20\/introduction-a-ostiense-italie\/","title":{"rendered":"Introduction \u00e0 Ostiense, Italie"},"content":{"rendered":"\n<p>Ostiense est le \u00ab quartier de l\u2019\u00e9nergie \u00bb historique de Rome, caract\u00e9ris\u00e9 par de nombreuses infrastructures \u00e9nerg\u00e9tiques qui font aujourd\u2019hui partie du patrimoine urbain. Entre anciennes centrales \u00e9lectriques, anciens gazom\u00e8tres et postes d\u2019\u00e9nergie, ce quartier se distingue par une complexit\u00e9 socio-spatiale qui repr\u00e9sente \u00e0 la fois une opportunit\u00e9 et un d\u00e9fi pour la transition \u00e9nerg\u00e9tique. <\/p>\n\n<p><strong>Interpr\u00e9ter la dimension socio-environnementale de l\u2019\u00e9nergie<\/strong><\/p>\n\n<p>Ce cas d\u2019\u00e9tude illustre bien les d\u00e9fis m\u00e9diterran\u00e9ens de la transition \u00e9nerg\u00e9tique : un patrimoine b\u00e2ti historique et dense avec une faible efficacit\u00e9 \u00e9nerg\u00e9tique ; une mobilit\u00e9 encore largement domin\u00e9e par la voiture ; et une gouvernance urbaine complexe n\u00e9cessitant une approche sp\u00e9cifique des mod\u00e8les \u00e9nerg\u00e9tiques urbains, non seulement d\u2019un point de vue technique, mais surtout social.<\/p>\n\n<p>Dans le quartier, la majorit\u00e9 des b\u00e2timents ont \u00e9t\u00e9 construits avant l\u2019adoption des r\u00e9glementations sur l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique. Par cons\u00e9quent, les op\u00e9rations de r\u00e9novation sont urgentes, mais elles sont entrav\u00e9es par des contraintes patrimoniales, une fragmentation excessive des propri\u00e9t\u00e9s et une faible capacit\u00e9 d\u2019investissement des habitants (personnes \u00e2g\u00e9es, \u00e9tudiants, squatteurs). Toutefois, Ostiense b\u00e9n\u00e9ficie d\u2019un fort sentiment de communaut\u00e9, soutenu par de nombreuses associations et groupes informels, ainsi que par la pr\u00e9sence d\u2019institutions importantes comme l\u2019universit\u00e9, qui pourraient impulser un projet \u00e9nerg\u00e9tique social d\u2019envergure.  <\/p>\n\n<p>Ostiense est \u00e9galement un cas d\u2019\u00e9tude exemplaire pour analyser la relation entre le climat et les syst\u00e8mes de consommation \u00e9nerg\u00e9tique. Le quartier est l\u2019une des zones les plus chaudes de Rome, o\u00f9 l\u2019effet des \u00eelots de chaleur urbains (ICU) entra\u00eene une augmentation des temp\u00e9ratures moyennes de plus de 3\u00b0C. Cet aspect a un impact consid\u00e9rable sur l\u2019\u00e9quilibre \u00e9nerg\u00e9tique local : en \u00e9t\u00e9, les pics de consommation \u00e9nerg\u00e9tique d\u00e9passent les 20 %, notamment en raison de l\u2019usage intensif de la climatisation. Cette augmentation des co\u00fbts est souvent insoutenable pour les populations en situation de pr\u00e9carit\u00e9 \u00e9nerg\u00e9tique, g\u00e9n\u00e9rant ainsi de profondes in\u00e9galit\u00e9s spatiales. La pr\u00e9sence de vastes surfaces asphalt\u00e9es, de sols imperm\u00e9abilis\u00e9s et le manque de v\u00e9g\u00e9tation et de syst\u00e8mes d\u2019ombrage contribuent \u00e0 l\u2019intensification de ce ph\u00e9nom\u00e8ne climatique. Dans cette perspective, pour une transition \u00e9nerg\u00e9tique juste et durable, l\u2019enjeu est de transformer les espaces ouverts afin de r\u00e9duire la demande en refroidissement et d\u2019all\u00e9ger l\u2019\u00e9quilibre \u00e9nerg\u00e9tique du quartier.    <\/p>\n\n<p>L\u2019ancienne centrale thermo\u00e9lectrique Montemartini, aujourd\u2019hui transform\u00e9e en mus\u00e9e arch\u00e9ologique, reste un t\u00e9moignage du pass\u00e9 industriel du quartier. Alors qu\u2019elle produisait autrefois une grande quantit\u00e9 d\u2019\u00e9nergie en un seul lieu, la transition \u00e9nerg\u00e9tique contemporaine repose sur un mod\u00e8le de production diversifi\u00e9, distribu\u00e9 et d\u00e9centralis\u00e9. \u00c0 Ostiense, le d\u00e9fi consiste \u00e0 int\u00e9grer un syst\u00e8me de production fragment\u00e9 dans un tissu urbain dense, o\u00f9 l\u2019espace disponible est limit\u00e9, tout en g\u00e9rant l\u2019incertitude li\u00e9e \u00e0 la transformation des vastes friches industrielles. N\u00e9anmoins, un fort ensoleillement et la possibilit\u00e9 de capter les flux de d\u00e9chets urbains offrent des perspectives int\u00e9ressantes pour la production d\u2019\u00e9nergie photovolta\u00efque ou bio\u00e9nerg\u00e9tique.   <\/p>\n\n<p><strong>D\u00e9fis et opportunit\u00e9s <\/strong>Le cas d\u2019Ostiense est un exemple paradigmatique de la transformation urbaine en Europe du Sud. Les nombreuses difficult\u00e9s techniques et de gouvernance urbaine sont compens\u00e9es par la diversit\u00e9 des initiatives sociales et la force de la communaut\u00e9 locale, ainsi que par les multiples opportunit\u00e9s de repenser l\u2019espace b\u00e2ti. Cette transformation occupe aujourd\u2019hui une place prioritaire dans l\u2019agenda urbain local. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ostiense est le \u00ab quartier de l\u2019\u00e9nergie \u00bb historique de Rome, caract\u00e9ris\u00e9 par de nombreuses infrastructures \u00e9nerg\u00e9tiques qui font aujourd\u2019hui partie du patrimoine urbain. Entre anciennes centrales \u00e9lectriques, anciens gazom\u00e8tres et postes d\u2019\u00e9nergie, ce quartier se distingue par une complexit\u00e9 socio-spatiale qui repr\u00e9sente \u00e0 la fois une opportunit\u00e9 et un d\u00e9fi pour la transition \u00e9nerg\u00e9tique. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[152],"tags":[95,172,171,173,99],"class_list":["post-4573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rome-porto-fluviale-fr","tag-introduction-fr","tag-italie-fr","tag-ostiense-fr","tag-porto-fluviale-fr","tag-site-du-projet"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introduction \u00e0 Ostiense, Italie - ped4all<\/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:\/\/ped4all.eu\/fr\/2023\/01\/20\/introduction-a-ostiense-italie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction \u00e0 Ostiense, Italie - ped4all\" \/>\n<meta property=\"og:description\" content=\"Ostiense est le \u00ab quartier de l\u2019\u00e9nergie \u00bb historique de Rome, caract\u00e9ris\u00e9 par de nombreuses infrastructures \u00e9nerg\u00e9tiques qui font aujourd\u2019hui partie du patrimoine urbain. 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