{"id":1845,"date":"2018-01-24T11:37:29","date_gmt":"2018-01-24T10:37:29","guid":{"rendered":"http:\/\/hayaenergy.com\/?p=1845"},"modified":"2021-02-19T19:44:48","modified_gmt":"2021-02-19T18:44:48","slug":"the-block-is-ticking","status":"publish","type":"post","link":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/","title":{"rendered":"The block is ticking"},"content":{"rendered":"<p style=\"text-align: justify;\">Nouvelle ann\u00e9e oblige, nous nous tournons aujourd\u2019hui vers l\u2019avenir, et plus particuli\u00e8rement vers l\u2019un des \u201cgame changers\u201d qui pourraient profond\u00e9ment modifier le monde de l\u2019\u00e9nergie. Lorsqu\u2019il est question de Blockchain, la question la plus fr\u00e9quente est \u00ab\u00a0qu\u2019est-ce que c\u2019est, le Blockchain ?\u00a0\u00bb.<\/p>\n<p style=\"text-align: justify;\">En fait, tout le monde en a entendu parler : C\u2019est la technologie disruptive qui se cache derri\u00e8re le Bitcoin. Si cette derni\u00e8re application du Blockchain a pris une ampleur telle que les cours des crypto-monnaies num\u00e9riques entrent d\u00e9sormais dans le cadre des indices les plus suivis par les bourses, la technologie de blockchain pourrait avoir un impact au moins aussi saisissant sur tous les aspects du monde de l\u2019\u00e9nergie.<\/p>\n<p style=\"text-align: justify;\">Si la premi\u00e8re application de la blockchain a \u00e9t\u00e9 la d\u00e9sinterm\u00e9diation financi\u00e8re, la suppression d\u2019interm\u00e9diaire entre deux acteurs peut s\u2019appliquer \u00e0 bien d\u2019autres domaines. D\u00e9cryptage de quelques champs d\u2019application possibles de cet Internet d\u00e9di\u00e9 aux transaction s\u00e9curis\u00e9es.<\/p>\n<p style=\"text-align: justify;\">Une BlockChain c\u2019est une technologie de stockage et de transmission d&rsquo;informations sans organe de contr\u00f4le. C\u2019est en quelque sorte une base de donn\u00e9es distribu\u00e9e r\u00e9pliquant l\u2019historique des \u00e9changes (d\u2019\u00e9nergie par exemple) dans chaque n\u0153ud qui compose le r\u00e9seau. Apr\u00e8s un processus automatique de validation, les \u00e9changes sont certifi\u00e9s, crypt\u00e9s et ajout\u00e9s dans la chaine de blocs.<\/p>\n<p style=\"text-align: justify;\">Une blockchain est donc, selon les termes de Wikip\u00e9dia, un registre distribu\u00e9 et s\u00e9curis\u00e9 de toutes les transactions effectu\u00e9es depuis le d\u00e9marrage du syst\u00e8me r\u00e9parti.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-5615 aligncenter\" src=\"https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/Forreol_godebarge_rossat_romain_engie-300x113.png\" alt=\"\" width=\"632\" height=\"238\" srcset=\"https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/Forreol_godebarge_rossat_romain_engie-300x113.png 300w, https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/Forreol_godebarge_rossat_romain_engie-1024x387.png 1024w, https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/Forreol_godebarge_rossat_romain_engie-768x290.png 768w, https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/Forreol_godebarge_rossat_romain_engie.png 1351w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><\/p>\n<h6 style=\"text-align: center;\">Cr\u00e9dit image\u00a0: Ferr\u00e9ol GODEBARGE, ROSSAT Romain, Engie<\/h6>\n<p style=\"text-align: justify;\">Un exemple parmi d\u2019autres\u00a0: En utilisant les compteurs comme n\u0153uds de r\u00e9seau, la blockchain permettrait la mise en \u0153uvre de plusieurs r\u00e9seaux virtuels sur le r\u00e9seau public d\u2019\u00e9lectricit\u00e9. Des exp\u00e9riences sont d\u00e9j\u00e0 en cours, dans le domaine de la recherche bien s\u00fbr, mais aussi op\u00e9rationnellement avec nombre de start-ups \u00e0 travers le monde (LO3 Energy, Consensus Systems ou Drift aux USA, Power Ledger en Nouvelle-Z\u00e9lande, WePower en Estonie, Evolution Energie, Ponton ou SunChain en France, etc) qui suscitent l\u2019int\u00e9r\u00eat des grands groupes du secteur (Edf, Engie, Vattenfall, E.On ou encore RWE). En Chine aussi, le blockchain se d\u00e9veloppe \u00e0 l\u2019ombre du solaire.<\/p>\n<p style=\"text-align: justify;\"><strong>Une r\u00e9volution pour la valorisation de la production d\u2019\u00e9nergie et la distribution\u2026<\/strong><\/p>\n<p style=\"text-align: justify;\">Le vrai changement pour le monde de l\u2019\u00e9nergie, c\u2019est le smartgrid rendu possible\u00a0avec notamment une autoconsommation \u00ab\u00a0d\u00e9localis\u00e9e\u00a0\u00bb, l\u2019\u00e9nergie pouvant ainsi \u00eatre utilis\u00e9e en un point de consommation diff\u00e9rent du site de production. Un concept qu\u2019avait anticip\u00e9 l\u2019ordonnance de juillet 2016 en d\u00e9finissant l\u2019autoconsommation collective. L\u2019autoconsommation peut ainsi \u00eatre mutualis\u00e9e sur plusieurs sites distants, et m\u00eame d\u00e9localis\u00e9e aux v\u00e9hicules \u00e9lectriques via des bornes de recharge connect\u00e9es.<\/p>\n<p style=\"text-align: justify;\">Plus encore, via Internet Of the Objects et les compteurs intelligents connect\u00e9s, le blockchain permet d\u2019envisager d\u2019automatiser la mesure, la maintenance, la facturation, et l&rsquo;archivage des quantit\u00e9s produites et consomm\u00e9es, la documentation de l&rsquo;\u00e9tat d\u2019installations de production et la tenue des registres de certificats d&rsquo;authenticit\u00e9 pour l&rsquo;\u00e9lectricit\u00e9 verte ou d&rsquo;attestations de quotas de CO2&#8230;<\/p>\n<p style=\"text-align: justify;\"><strong>Mais aussi un bouleversement des \u00e9changes commerciaux<\/strong><\/p>\n<p style=\"text-align: justify;\">Le trading et le courtage d\u2019\u00e9nergie pourraient eux aussi \u00eatre consid\u00e9rablement bouscul\u00e9s par le blockchain. A terme, le pilotage automatis\u00e9 de syst\u00e8mes d&rsquo;\u00e9nergie d\u00e9centralis\u00e9s, via les \u00ab smart contracts \u00bb que permet la blockchain, Ce mode d\u2019interm\u00e9diation contractuel nouveau, \u00e9videmment li\u00e9 \u00e0 une \u00e9volution r\u00e9glementaire, est d\u00e9j\u00e0 \u00e0 l\u2019\u0153uvre au Canada avec le lancement Blockchain Power Trust, et d\u2019autres lui embo\u00eetent le pas.<\/p>\n<p style=\"text-align: justify;\">C\u2019est donc sans doute dans ce dernier domaine que cette technologie pourrait apporter le plus rapidement des avanc\u00e9es majeures au monde de l\u2019\u00e9nergie. La possibilit\u00e9 de construire de produits complexes et non-standardis\u00e9s, les transactions impliquant plusieurs acheteurs et vendeurs, la transparence des \u00e9changes\u00a0: autant d\u2019avanc\u00e9es qui am\u00e9lioreraient la liquidit\u00e9 du march\u00e9 et r\u00e9\u00e9quilibreraient les \u00e9changes entre producteurs et consommateurs. En permettant la mise en relation s\u00e9curis\u00e9e d\u2019un grand nombre d\u2019acteurs et de leurs donn\u00e9es, le blockchain devrait \u00e0 terme red\u00e9finir le courtage en \u00e9nergie pour l\u2019emmener vers l\u2019infini et au-del\u00e0.<\/p>\n<p style=\"text-align: justify;\"><strong>Avec quelques obstacles<\/strong><\/p>\n<p style=\"text-align: justify;\">Un b\u00e9mol toutefois\u00a0: selon les commodit\u00e9s, le blockchain peut \u00eatre le moyen d\u2019introduire plus de complexit\u00e9 et, in fine, moins de lisibilit\u00e9 dans les transactions. La simplicit\u00e9 d\u2019entr\u00e9e de nouveaux acteurs avait d\u00e9j\u00e0 \u00e9t\u00e9, en 2006, l\u2019instrument du plus grand carrousel TVA avec la fraude aux quotas CO2&#8230;<\/p>\n<p style=\"text-align: justify;\">Si elle permettrait de se passer d\u2019acteurs centralis\u00e9s pour coordonner les \u00e9changes, la technologie du Blockchain repose sur la confiance dans le syst\u00e8me de contr\u00f4le distribu\u00e9 et pose d\u2019\u00e9videntes questions de gouvernance et de souverainet\u00e9.<\/p>\n<p style=\"text-align: justify;\">Et pour qu\u2019advienne cette r\u00e9volution du blockchain, il faudra d\u2019abord r\u00e9soudre un probl\u00e8me qui fait d\u00e9j\u00e0 pol\u00e9mique pour son application actuelle\u00a0: le Bitcoin. Et l\u2019enjeu est de taille, car le Bitcoin a paradoxalement presqu\u2019autant besoin de l\u2019\u00e9nergie que la r\u00e9ciproque. Mais \u00e0 quoi est utilis\u00e9e cette \u00e9nergie\u00a0? A calculer.<\/p>\n<p style=\"text-align: justify;\">C\u2019est la clef de la s\u00e9curit\u00e9 de cette technologie\u00a0: la blockchain est comme une base de donn\u00e9es distribu\u00e9e et partag\u00e9e par tous les n\u0153uds d\u2019un r\u00e9seau (des ordinateurs ou serveurs). Les transactions y sont group\u00e9es en blocs qui sont ajout\u00e9s \u00e0 la \u00ab\u00a0base de donn\u00e9es\u00a0\u00bb en les liant l\u2019un \u00e0 l\u2019autre, \u00e0 la mani\u00e8re d\u2019une chaine. Quand un n\u0153ud soumet une nouvelle transaction, avant de l\u2019ajouter \u00e0 la chaine il faut v\u00e9rifier que ce nouveau bloc est compatible avec l\u2019ensemble de la chaine pr\u00e9existante\u00a0: c\u2019est le \u00ab\u00a0minage\u00a0\u00bb.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-5613 aligncenter lazyload\" data-src=\"https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/followmyvote-300x300.png\" alt=\"\" width=\"500\" height=\"500\" data-srcset=\"https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/followmyvote-300x300.png 300w, https:\/\/hayaenergy.com\/wp-content\/uploads\/2021\/02\/followmyvote-150x150.png 150w\" data-sizes=\"(max-width: 500px) 100vw, 500px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 500px; --smush-placeholder-aspect-ratio: 500\/500;\" \/><\/p>\n<h6 style=\"text-align: center;\">Cr\u00e9dit image\u00a0: FollowMyVote<\/h6>\n<p style=\"text-align: justify;\">Cette v\u00e9rification de l\u2019int\u00e9grit\u00e9 de la chaine et le traitement des erreurs n\u00e9cessitent en effet une \u00e9norme capacit\u00e9 de calcul, fournie par les \u00ab\u00a0mineurs\u00a0\u00bb, des n\u0153uds de capacit\u00e9s de calcul distribu\u00e9es (et r\u00e9tribu\u00e9es). En 2017, le minage de la seule monnaie virtuelle \u00ab\u00a0Ethereum\u00a0\u00bb a consomm\u00e9 autant d\u2019\u00e9nergie qu\u2019un pays comme Chypre, et celui du Bitcoin (essentiellement localis\u00e9 en Chine) n\u00e9cessite plus de 29 TWh, soit l\u2019\u00e9quivalent de 3 centrales nucl\u00e9aires ! Un tel syst\u00e8me est donc inad\u00e9quat pour des micro-transactions \u00e9nerg\u00e9tiques quand le co\u00fbt \u00e9nerg\u00e9tique du traitement de la transaction par la blockchain devient sup\u00e9rieur \u00e0 la quantit\u00e9 d\u2019\u00e9nergie \u00e9chang\u00e9e. Les blockchains d\u00e9di\u00e9es \u00e0 l\u2019\u00e9nergie devront donc s\u2019attacher \u00e0 consommer le moins d\u2019\u00e9nergie possible.<\/p>\n<p style=\"text-align: right;\"><em><strong>Jean Charles Bissi\u00e9<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nouvelle ann\u00e9e oblige, nous nous tournons aujourd\u2019hui vers l\u2019avenir, et plus particuli\u00e8rement vers l\u2019un des \u201cgame changers\u201d qui pourraient profond\u00e9ment modifier le monde de l\u2019\u00e9nergie. Lorsqu\u2019il est question de Blockchain, la question la plus fr\u00e9quente est \u00ab\u00a0qu\u2019est-ce que c\u2019est, le Blockchain ?\u00a0\u00bb. En fait, tout le monde en a entendu parler : C\u2019est la technologie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3935,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[31],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The block is ticking - Haya Energy Solutions<\/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:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The block is ticking - Haya Energy Solutions\" \/>\n<meta property=\"og:description\" content=\"Nouvelle ann\u00e9e oblige, nous nous tournons aujourd\u2019hui vers l\u2019avenir, et plus particuli\u00e8rement vers l\u2019un des \u201cgame changers\u201d qui pourraient profond\u00e9ment modifier le monde de l\u2019\u00e9nergie. Lorsqu\u2019il est question de Blockchain, la question la plus fr\u00e9quente est \u00ab\u00a0qu\u2019est-ce que c\u2019est, le Blockchain ?\u00a0\u00bb. 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Lorsqu\u2019il est question de Blockchain, la question la plus fr\u00e9quente est \u00ab\u00a0qu\u2019est-ce que c\u2019est, le Blockchain ?\u00a0\u00bb. En fait, tout le monde en a entendu parler : C\u2019est la technologie [&hellip;]","og_url":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/","og_site_name":"Haya Energy Solutions","article_published_time":"2018-01-24T10:37:29+00:00","article_modified_time":"2021-02-19T18:44:48+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/hayaenergy.com\/wp-content\/uploads\/2018\/01\/Janvier2018_The-Block-is-sticking.png","type":"image\/png"}],"author":"HES","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/#article","isPartOf":{"@id":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/"},"author":{"name":"HES","@id":"https:\/\/hayaenergy.com\/fr\/#\/schema\/person\/47f0433cfee0ba473c80a759ca13440b"},"headline":"The block is ticking","datePublished":"2018-01-24T10:37:29+00:00","dateModified":"2021-02-19T18:44:48+00:00","mainEntityOfPage":{"@id":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/"},"wordCount":1153,"publisher":{"@id":"https:\/\/hayaenergy.com\/fr\/#organization"},"image":{"@id":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/#primaryimage"},"thumbnailUrl":"https:\/\/hayaenergy.com\/wp-content\/uploads\/2018\/01\/Janvier2018_The-Block-is-sticking.png","articleSection":["Toutes les publications"],"inLanguage":"fr-FR"},{"@type":["WebPage","ItemPage"],"@id":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/","url":"https:\/\/hayaenergy.com\/fr\/the-block-is-ticking\/","name":"The block is ticking - 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