{"id":715869,"date":"2023-04-19T09:00:00","date_gmt":"2023-04-19T07:00:00","guid":{"rendered":"https:\/\/www.capgemini.com\/fr-fr\/?p=715869"},"modified":"2025-03-04T07:07:30","modified_gmt":"2025-03-04T06:07:30","slug":"le-digital-a-laune-du-defi-de-la-decarbonation-du-bati-public","status":"publish","type":"post","link":"https:\/\/www.capgemini.com\/fr-fr\/perspectives\/blog\/digital-decarbonation-du-bati-public\/","title":{"rendered":"Le digital \u00e0 l\u2019aune du d\u00e9fi de la d\u00e9carbonation du b\u00e2ti public\u00a0"},"content":{"rendered":"\n<header class=\"wp-block-cg-blocks-hero-blogs header-hero-blogs\"><div class=\"container\"><div class=\"hero-blogs\"><div class=\"hero-blogs-content-wrapper\"><div class=\"row\"><div class=\"col-12\"><div class=\"header-title\"><h1>Le digital \u00e0 l\u2019aune du d\u00e9fi de la d\u00e9carbonation du b\u00e2ti public\u00a0\u00a0\u00a0<\/h1><\/div><\/div><\/div><\/div><div class=\"hero-blogs-bottom\"><div class=\"header-author\"><div class=\"author-img\"><img decoding=\"async\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2022\/04\/Capgemini-PC.jpg?w=400?w=200&amp;quality=10\" alt=\"\" loading=\"lazy\"\/><\/div><div class=\"author-name-date\"><h5 class=\"author-name\">Capgemini Invent<\/h5><h5 class=\"blog-date\">19 avril 2023<\/h5><\/div><\/div><div class=\"brand-image\"><img decoding=\"async\" loading=\"lazy\" src=\"\/wp-content\/themes\/capgemini2020\/assets\/images\/capgemini-invent-white.svg\" alt=\"capgemini-invent\"\/><\/div><\/div><\/div><\/div><\/header>\n\n\n\n<section class=\"wp-block-cg-blocks-intro-para undefined section section--intro\"><div class=\"intro-para\"><div class=\"container\"><div class=\"row\"><div class=\"col-12 col-md-1\"><nav class=\"article-social\"><ul class=\"social-nav\"><li class=\"ip-order-fb\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.capgemini.com\/fr-fr\/perspectives\/blog\/digital-decarbonation-du-bati-public\/\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Ouvrir dans une nouvelle fen\u00eatre\"><i aria-hidden=\"true\" class=\"icon-fb\"><\/i><span class=\"sr-only\">Facebook<\/span><\/a><\/li><li class=\"ip-order-li\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https:\/\/www.capgemini.com\/fr-fr\/perspectives\/blog\/digital-decarbonation-du-bati-public\/\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Ouvrir dans une nouvelle fen\u00eatre\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><span class=\"sr-only\">Linkedin<\/span><\/a><\/li><\/ul><\/nav><\/div><div class=\"col-12 col-md-11 col-lg-10\"><h2 class=\"intro-para-title\">Mis en place dans le cadre de la loi ELAN en 2018, le d\u00e9cret tertiaire impose depuis 2021 que les b\u00e2timents de plus de 1\u202f000\u202fm\u00e8tres carr\u00e9s devront consommer 40\u202f% d\u2019\u00e9nergie en moins en\u202f2030, 50\u202f% en\u202f2040 et 60\u202f% en\u202f2050.<\/h2><p class=\"intro-para-content\">Cette r\u00e9glementation s\u2019applique \u00e9galement au b\u00e2ti public, avec \u00e0 la cl\u00e9 des chiffres vertigineux. Sur le p\u00e9rim\u00e8tre \u00e9tatique uniquement, ce sont 190 000 b\u00e2timents et 94 millions de m\u00e8tres carr\u00e9s qui sont plus pr\u00e9cis\u00e9ment concern\u00e9s. En ajoutant les collectivit\u00e9s territoriales, pr\u00e8s de 400 millions de m\u00e8tres carr\u00e9s doivent \u00eatre adress\u00e9s. Une facture de plusieurs centaines de milliards d\u2019euros se profile.\u00a0\u00a0<\/p><\/div><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-cg-blocks-group undefined section section--article-content\"><div class=\"article-main-content\"><div class=\"container\"><div class=\"row\"><div class=\"col-12 col-md-11 col-lg-10 offset-md-1 offset-lg-1\"><div class=\"article-text article-quote-text\">\n<h2 class=\"wp-block-heading\" id=\"h-l-etat-avance-sur-la-voie-de-la-decarbonation-nbsp-nbsp\"><strong>L\u2019Etat avance sur la voie de la d\u00e9carbonation<\/strong>&nbsp;&nbsp;<\/h2>\n\n\n\n<p>La Direction de l\u2019immobilier de l\u2019Etat (DIE) adresse le d\u00e9fi sur le p\u00e9rim\u00e8tre de l\u2019Etat via une feuille de route lanc\u00e9e d\u00e8s 2018 qui pr\u00e9voit notamment :&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une enveloppe de 8,4 mds d\u2019euros dans le cadre du Plan de Relance distribu\u00e9s aux administrations \u00e0 l\u2019aide de diff\u00e9rents appels \u00e0 projets pour un gain de 0,6 TWh d&#8217;\u00e9conomie par an ;<\/li>\n\n\n\n<li>L\u2019exp\u00e9rimentation depuis mai 2021 de l\u2019Agence de Gestion de l\u2019Immobilier de L\u2019Etat (AGILE) pour professionnaliser la gestion des cit\u00e9s administratives et d\u00e9velopper le photovolta\u00efque&nbsp;;<\/li>\n\n\n\n<li>Une enveloppe de 50 millions d\u2019euros pour r\u00e9aliser des travaux en urgence de r\u00e9duction des consommations d\u2019\u00e9nergie fossile d\u00e8s l\u2019hiver 2022-2023&nbsp;;<\/li>\n\n\n\n<li>Le passage \u00e0 19 degr\u00e9s soit 0,4 TWh de gain par an.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-la-gestion-du-bati-comme-principal-levier-d-action\"><strong>La gestion du b\u00e2ti comme principal levier d\u2019action<\/strong><\/h2>\n\n\n\n<p>La DIE estime ainsi que 60% des \u00e9conomies d\u2019\u00e9nergie \u2013 et ainsi de la d\u00e9carbonation \u2013 concernent l\u2019enveloppe du b\u00e2ti, ce qui induit un mouvement de massification des travaux de r\u00e9novation \u00e9nerg\u00e9tique.&nbsp;<\/p>\n\n\n\n<p>Une approche pilot\u00e9e par la donn\u00e9e pourrait avoir tout son sens pour soutenir ce \u00ab\u202fchantier du si\u00e8cle\u202f\u00bb, comme l\u2019a donn\u00e9 r\u00e9cemment le ministre de la Transition \u00e9cologique et de la Coh\u00e9sion des territoires, Christophe B\u00e9chu, notamment pour\u202f:&nbsp;&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Disposer d\u2019une vision fine du patrimoine de b\u00e2timents publics et de sa performance \u00e9nerg\u00e9tique en temps r\u00e9el\u202f; le d\u00e9monstrateur d\u00e9velopp\u00e9 par le minist\u00e8re de l\u2019environnement, sur la base des donn\u00e9es OSFI et CHORUS notamment, constitue une piste int\u00e9ressante pour r\u00e9pondre \u00e0 ce besoin sur le p\u00e9rim\u00e8tre \u00e9tatique\u202f;&nbsp;<\/li>\n\n\n\n<li>Disposer de caract\u00e9ristiques quantitatives et qualitatives sur le b\u00e2ti public, le territoire et la fili\u00e8re de r\u00e9novation \u00e9nerg\u00e9tique\u202f;&nbsp;&nbsp;<\/li>\n\n\n\n<li>Identifier les b\u00e2timents \u00e0 r\u00e9nover, les types de travaux \u00e0 r\u00e9aliser\u202f;&nbsp;&nbsp;<\/li>\n\n\n\n<li>Estimer et suivre l\u2019impact financier et environnemental des r\u00e9novations pr\u00e9vues et effectu\u00e9es au niveau de la r\u00e9gion ou du service r\u00e9gional\u202fmais \u00e9galement de la commune ;&nbsp;<\/li>\n\n\n\n<li>D\u00e9terminer les sources de financement disponibles et simplifier les demandes, notamment dans le cadre du plan de relance\u202f;&nbsp;<\/li>\n\n\n\n<li>Objectiver les conditions de financement des territoires sur la base d\u2019une connaissance fine des besoins et du potentiel en termes de r\u00e9novation \u00e9nerg\u00e9tique\u202f;&nbsp;&nbsp;<\/li>\n\n\n\n<li>Acc\u00e9der \u00e0 une biblioth\u00e8que d\u2019outils (cahiers des charges, vecteurs contractuels) personnalis\u00e9e et \u00e0 un r\u00e9seau d\u2019experts pertinent au regard des r\u00e9novations \u00e0 entreprendre\u202f;&nbsp;<\/li>\n\n\n\n<li>Appuyer les services r\u00e9gionaux ou les autres minist\u00e8res dans l\u2019identification, et la qualification de candidats potentiels sur des dispositifs de financement complexes &amp; appuyer le dialogue de gestion dans le cadre de la programmation budg\u00e9taire.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L\u2019adaptation des usages, un levier compl\u00e9mentaire et plus que n\u00e9cessaire<\/strong>&nbsp;<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Les 40% d\u2019efforts suppl\u00e9mentaires \u00e0 mener s\u2019attachent d\u2019une part \u00e0 l\u2019adaptation des usages et d\u2019autre part \u00e0 l\u2019optimisation de l\u2019exploitation et de la maintenance du b\u00e2ti, toujours selon les estimations de la DIE.&nbsp;<\/p>\n<\/blockquote>\n\n\n\n<p>Concernant les usages, cela suppose de mettre en place une strat\u00e9gie de conduite du changement adapt\u00e9e pour encourager l\u2019\u00e9volution des comportements en insistant sur l\u2019importance d\u2019adresser les enjeux du r\u00e9chauffement climatique et sur l\u2019impact potentiel de chacun pour r\u00e9duire la consommation d&#8217;\u00e9nergie.&nbsp;<\/p>\n\n\n\n<p>Concernant l\u2019exploitation, des syst\u00e8mes de management intelligent pourraient \u00eatre d\u00e9ploy\u00e9s pertinemment pour le secteur public, comme ils le sont pour toutes les industries. D\u2019autant plus pour optimiser la consommation \u00e9nerg\u00e9tique dans les b\u00e2timents accueillant du public ou encore pour les installations fonctionnant 24h\/24 et 7j\/7. Un syst\u00e8me national permettant \u00e0 l\u2019Etat de contr\u00f4ler l&#8217;optimisation \u00e0 plusieurs niveaux (par b\u00e2timent, administration, territoire et niveau national) pourrait changer la donne.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La n\u00e9cessit\u00e9 de repenser le r\u00f4le de l\u2019Etat pour effectuer cette transition<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Pour aller plus loin, faire un pas de c\u00f4t\u00e9 et penser le r\u00f4le de l\u2019Etat plus largement pour soutenir \u00e0 la fois la sobri\u00e9t\u00e9 \u00e9nerg\u00e9tique et la d\u00e9carbonation de l\u2019\u00e9nergie au niveau national, a tout son sens dans une r\u00e9flexion sur la d\u00e9carbonation des b\u00e2timents tertiaires et a fortiori public.&nbsp;&nbsp;<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>L\u2019Etat a un r\u00f4le cl\u00e9 \u00e0 jouer en tant qu\u2019acheteur de biens et de service, les organismes publics repr\u00e9sentant 10 \u00e0 20 % du march\u00e9 total des produits et services li\u00e9s \u00e0 l&#8217;\u00e9nergie \u00e0 l\u2019\u00e9chelle mondiale. <\/p>\n<\/blockquote>\n\n\n\n<p>En exigeant des produits \u00e9conomes en \u00e9nergie pour leur propre usage, les administrations inciteront d\u2019autant les fabricants et les fournisseurs \u00e0 r\u00e9agir en proposant des produits plus efficaces \u00e0 des prix comp\u00e9titifs. Pour tirer parti de ce cercle vertueux, les sp\u00e9cifications publiques doivent utiliser des crit\u00e8res d&#8217;\u00e9conomie d&#8217;\u00e9nergie clairs, coh\u00e9rents et pilotables.&nbsp;<\/p>\n\n\n\n<p>En tant que d\u00e9cideur national de la politique d&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique, l\u2019Etat a \u00e9galement une responsabilit\u00e9 pour faciliter le d\u00e9ploiement des \u00e9nergies renouvelables &#8211; conduisant \u00e0 un mix \u00e9nerg\u00e9tique davantage d\u00e9carbon\u00e9 qui b\u00e9n\u00e9ficiera \u00e0 l\u2019ensemble des b\u00e2timents et industries de France.&nbsp;&nbsp;<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-cg-blocks-wrapper-people-slider section section--expert-slider wrapper-people-slider undefined\"><div class=\"container\"><div class=\"content-title\"><h3 data-maxlength=\"34\">Auteures<\/h3><\/div><\/div><div class=\"slider slider-boxed\"><div class=\"container\"><div class=\"slider-window\"><div class=\"slider-list\">\n\t\t<div class=\"slide\">\n\t\t\t<div class=\"box\">\n\t\t\t\t<div class=\"row\">\n\t\t\t\t\t<div class=\"col-md-6 col-lg-4 box-img-wrapper\">\n\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Maelle-Bouvier-Profile-Card.png\" alt=\"Ma\u00eblle Bouvier\"\/>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"col-md-6 col-lg-8 box-inner\">\n\t\t\t\t\t\t<div class=\"row title-social-media-header\">\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 mbl-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/maellebouvier\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 box-container\">\n\t\t\t\t\t\t\t\t<div class=\"box-title\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"people-profile-title\">Ma\u00eblle Bouvier<\/h3>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Directrice D\u00e9veloppement Durable, Capgemini Invent<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 social-box-container dkt-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/maellebouvier\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"people-info\">Ma\u00eblle Bouvier est directrice au sein de l\u2019entit\u00e9 \u00ab Sustainable futures \u00bb de Capgemini Invent. Depuis 2010, Ma\u00eblle a d\u00e9di\u00e9 sa carri\u00e8re au secteur public et au d\u00e9veloppement durable, en tant que charg\u00e9e de mission dans les minist\u00e8res (Affaires Etrang\u00e8res, Environnement) ou via des missions de conseil. Ma\u00eblle a rejoint Capgemini en 2018 pour soutenir la transformation des minist\u00e8res et de leurs op\u00e9rateurs, notamment via le levier du digital. Elle porte d\u00e9sormais au sein de nos \u00e9quipes les offres de valeur en mati\u00e8re d\u2019\u00e9co-responsabilit\u00e9, de transformation durable et d\u2019acc\u00e9l\u00e9ration de la transition \u00e9cologique aupr\u00e8s des clients publics de Capgemini Invent.\u00a0<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t<div class=\"slide\">\n\t\t\t<div class=\"box\">\n\t\t\t\t<div class=\"row\">\n\t\t\t\t\t<div class=\"col-md-6 col-lg-4 box-img-wrapper\">\n\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Lamia-Benbachir.jpg\" alt=\"Lamia Benbachir\"\/>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"col-md-6 col-lg-8 box-inner\">\n\t\t\t\t\t\t<div class=\"row title-social-media-header\">\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 mbl-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/lamia-benbachir-b4a58b2a\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 box-container\">\n\t\t\t\t\t\t\t\t<div class=\"box-title\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"people-profile-title\">Lamia Benbachir<\/h3>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Directrice Citizen Services, Capgemini Invent<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 social-box-container dkt-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/lamia-benbachir-b4a58b2a\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"people-info\">Lamia Benbachir est une sp\u00e9cialiste de la modernisation de l\u2019action publique. Elle a d\u2019abord accompagn\u00e9 ses clients de la sph\u00e8re Etat dans leur transformation digitale et depuis 5 ans dans l\u2019appropriation du levier data et de l\u2019intelligence artificielle. Dans le cadre de ses missions, Lamia a d\u00e9velopp\u00e9 une expertise dans le design et la conduite de projets d\u2019envergure mobilisant la data science et le computer vision au service du d\u00e9veloppement durable, et notamment au service de la maximisation du potentiel de r\u00e9novation \u00e9nerg\u00e9tique des b\u00e2timents tertiaires.<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div><\/div><\/div><div class=\"slider-nav\"><button class=\"slider-prev inactive\" aria-label=\"Curseur pr\u00e9c\u00e9dent\" tabindex=\"-1\"><\/button><ul class=\"slider-paginator\"><\/ul><button class=\"slider-next\" aria-label=\"Curseur suivant\"><\/button><\/div><\/div><\/section>\n\n\n<section class=\"latest-insights layout-odd layout-one-card-only \"><div class=\"container\"><div class=\"insight-title\"><h2 class=\"latest-insight-title\">Sujets associ\u00e9s<\/h2><\/div><div class=\"layout-single-card\">\n                      <div class=\"row align-items-center w-lg-100\">\n                        <div class=\"card-image-wrapper\">\n                                <div class=\"card-image\" data-image-url=\"https:\/\/www.capgemini.com\/fr-fr\/perspectives\/publications\/hydrogene-vert\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<picture>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<source srcset=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=2048&#038;quality=70 1x, https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=2048&#038;quality=70 2x\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tmedia=\"(min-width: 1500px)\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<source srcset=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=1024&#038;quality=70 1x, https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=2048&#038;quality=70 2x\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tmedia=\"(min-width: 992px)\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<source srcset=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=1024&#038;quality=70 1x, https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=2048&#038;quality=70 2x\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tmedia=\"(min-width: 768px)\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<source srcset=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=500&#038;quality=70 1x, https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg?w=1000&#038;quality=70 2x\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tmedia=\"(min-width: 0)\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2023\/04\/Green_hydrogen.jpg\" alt=\"\" style=\"object-position: 50% 50%; object-fit: cover;\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/picture>\n                                <\/div>\n                            <\/div>\n                            <div class=\"col-12 col-md-5 col-lg-7\"><\/div>\n                        <div class=\"col-12 col-md-7 col-lg-5\">\n                            <a href=\"https:\/\/www.capgemini.com\/fr-fr\/perspectives\/publications\/hydrogene-vert\/\" aria-label=\"Hydrog\u00e8ne vert\" class=\"card-link-holder\">\n                            <div class=\"insight-card insight-card-start\">\n                                <div class=\"card-tag\">Rapport<\/div>\n                                <h3 class=\"card-title\">Hydrog\u00e8ne vert<\/h3>\n                                <div class=\"insight-card-footer\">\n                                    <img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/themes\/capgemini2025\/assets\/images\/capgemini-research-institute-white.svg\" alt=\"capgemini-research-institute\" class=\"light\">\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/themes\/capgemini2025\/assets\/images\/capgemini-research-institute-white.svg\" alt=\"capgemini-research-institute\" class=\"dark\">\n                                <\/div>\n                            <\/div>\n                            <\/a>\n                        <\/div>\n                     <\/div>\n                    <\/div><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>La DIE estime ainsi que 60% des \u00e9conomies d\u2019\u00e9nergie \u2013 et ainsi de la d\u00e9carbonation \u2013 concernent l\u2019enveloppe du b\u00e2ti, ce qui induit un mouvement de massification des travaux de r\u00e9novation \u00e9nerg\u00e9tique.<\/p>\n<p>Une approche pilot\u00e9e par la donn\u00e9e pourrait avoir tout son sens pour soutenir ce \u00ab\u202fchantier du si\u00e8cle\u202f\u00bb.<\/p>\n","protected":false},"author":98,"featured_media":715922,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"cg_dt_proposed_to":[21,41],"cg_seo_hreflang_relations":"[]","cg_seo_canonical_relation":"{\"uuid\":\"91e1477c-6191-423f-b430-09f74bde89c6\",\"blogId\":\"\",\"domain\":\"\",\"sitePath\":\"\",\"postLink\":\"\",\"postId\":null,\"isSaved\":true,\"isCrossLink\":false,\"hasCrossLink\":false}","cg_seo_hreflang_x_default_relation":"{\"uuid\":\"4cdfda2a-a0cc-46a0-93ed-a604dc087bc3\",\"blogId\":\"\",\"domain\":\"\",\"sitePath\":\"\",\"postLink\":\"\",\"postId\":null,\"isSaved\":true,\"isCrossLink\":false,\"hasCrossLink\":false}","cg_dt_approved_content":true,"cg_dt_mandatory_content":false,"cg_dt_notes":"","cg_dg_source_changed":false,"cg_dt_link_disabled":true,"_yoast_wpseo_primary_brand":"31","_jetpack_memberships_contains_paid_content":false,"footnotes":"","featured_focal_points":""},"categories":[138],"tags":[163],"brand":[31],"service":[208],"industry":[131],"partners":[],"blog-topic":[355],"content-group":[],"class_list":["post-715869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-transformation","tag-developpement-durable","brand-capgemini-invent","service-developpement-durable","industry-secteur-public","blog-topic-developpement-durable"],"yoast_head":"<!-- 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