{"id":12333,"date":"2023-06-13T15:01:00","date_gmt":"2023-06-13T13:01:00","guid":{"rendered":"https:\/\/steady-sun.com\/?p=12333"},"modified":"2025-09-30T11:28:46","modified_gmt":"2025-09-30T09:28:46","slug":"presentation-de-notre-nouveau-systeme-de-prevision-un-tournant-pour-les-previsions-d-energie-solaire-et-eolienne","status":"publish","type":"post","link":"https:\/\/steady-sun.com\/fr\/blog\/research-and-innovation\/introducing-our-new-forecasting-system-a-game-changer-for-solar-and-wind-power-forecasts\/","title":{"rendered":"Pr\u00e9sentation de notre nouveau syst\u00e8me de pr\u00e9vision"},"content":{"rendered":"<h2 id=\"A-game-changer-for-solar-and-wind-power-forecasts\" class=\"wp-block-heading\">Un tournant pour les pr\u00e9visions d\u2019\u00e9nergie solaire et \u00e9olienne<\/h2>\r\n\r\n\r\n\r\n<p>Notre \u00e9quipe est ravie de vous annoncer le lancement de notre nouveau syst\u00e8me de pr\u00e9vision. Apr\u00e8s trois ans d'efforts, ce dernier est d\u00e9sormais pleinement op\u00e9rationnel et nous sommes heureux de vous pr\u00e9senter les raisons pour lesquelles cette \u00e9volution va faciliter l'utilisation des pr\u00e9visions m\u00e9t\u00e9orologiques et \u00e9nerg\u00e9tiques. Dans cet article, nous nous pencherons sur les principaux b\u00e9n\u00e9fices de ce nouveau syst\u00e8me de pr\u00e9vision : fiabilit\u00e9 accrue, flexibilit\u00e9 et facilit\u00e9 d\u2019acc\u00e8s pour les utilisateurs, am\u00e9lioration des performances, fr\u00e9quence de mises \u00e0 jour plus \u00e9lev\u00e9e et outils d'aide \u00e0 la d\u00e9cision sur mesure.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"A-Cloud-based-one-stop-shop-solution-available-worldwide\" class=\"wp-block-heading\">Une plateforme SaaS disponible \u00e0 travers le monde<\/h3>\r\n\r\n\r\n\r\n<p>L'une des avanc\u00e9es significatives de notre nouveau syst\u00e8me de pr\u00e9vision r\u00e9side dans la fiabilit\u00e9 accrue qu'il offre. Nous y sommes parvenus en nous appuyant sur une infrastructure cloud \u00e9volutive capable de r\u00e9pondre aux besoins croissants de nos clients en volume de donn\u00e9es.<\/p>\r\n\r\n\r\n\r\n<p>Notre syst\u00e8me repose sur une infrastructure Google Cloud Platform (GCP) pour le backend, les bases de donn\u00e9es, l'orchestration des processus, la surveillance, la diffusion et le stockage. GCP est l'une des meilleures infrastructures cloud actuelle en termes de technologies, de couverture mondiale, d\u2019\u00e9volutivit\u00e9, de s\u00e9curit\u00e9 et de disponibilit\u00e9 de service (SLA).<\/p>\r\n\r\n\r\n\r\n<p>Cette approche bas\u00e9e sur une plateforme SaaS (Software as a Service) garantit un tr\u00e8s haut niveau de disponibilit\u00e9 de nos pr\u00e9visions (&gt;99,7 %), offrant une exp\u00e9rience continue et fiable.<\/p>\r\n\r\n\r\n\r\n<p>Le fait d'\u00eatre sur le Google Cloud Platform assure aussi une excellente couverture mondiale, \u00e9tant donn\u00e9 le grand nombre de points d'acc\u00e8s propos\u00e9s \u00e0 travers le globe.<\/p>\r\n\r\n\r\n\r\n<p>La latence de la connexion est \u00e9galement optimis\u00e9e pour tous les utilisateurs, ce qui contribue \u00e0 am\u00e9liorer la qualit\u00e9 globale du service.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"350\" class=\"wp-image-12340\" src=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-4.webp\" alt=\"\" srcset=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-4.webp 1000w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-4-300x105.webp 300w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-4-768x269.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n\r\n\r\n\r\n<p><em>Image : Localisation et r\u00e9seau des services Google Cloud \n(source : <strong><a href=\"https:\/\/cloud.google.com\/about\/locations?hl=fr#network\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cloud.google.com\/about\/locations?hl=fr#network<\/a><\/strong>)<\/em><\/p>\r\n\r\n\r\n\r\n<h3 id=\"API-is-becoming-a-standard-for-the-energy-industry\" class=\"wp-block-heading\">La livraison par API devient une norme dans l'industrie de l'\u00e9nergie<\/h3>\r\n\r\n\r\n\r\n<p class=\"translation-block\"><strong><a href=\"https:\/\/steady-sun.com\/fr\/api-documentation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Notre nouvelle API<\/a><\/strong> (Interface de Programmation Applicative) vous offre une grande flexibilit\u00e9 et autonomie. Elle permet un pont efficace entre notre syst\u00e8me de pr\u00e9vision et vos applications ou syst\u00e8mes.<\/p>\r\n\r\n\r\n\r\n<p>Avec cette API, vous pouvez ais\u00e9ment int\u00e9grer nos pr\u00e9visions dans vos applications existantes, et acc\u00e9der, ainsi, facilement aux informations que nous fournissons.<\/p>\r\n\r\n\r\n\r\n<p>L'\u00e9tendue des fonctions de l'API permet aux utilisateurs de g\u00e9rer de mani\u00e8re autonome les op\u00e9rations de routine, comme :<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>La configuration des sites (installations solaires et\/ou \u00e9oliennes).<\/li>\r\n\r\n\r\n\r\n<li>L\u2019agr\u00e9gation de centrales de production (gestion de portefeuille).<\/li>\r\n\r\n\r\n\r\n<li>L\u2019acc\u00e8s \u00e0 de nombreux param\u00e8tres relatifs aux conditions m\u00e9t\u00e9orologiques ou \u00e0 l\u2019\u00e9nergie solaire et \u00e9olienne.<\/li>\r\n\r\n\r\n\r\n<li>La transmission, en retour, de donn\u00e9es de mesures m\u00e9t\u00e9orologiques et de production r\u00e9elles (pour l'optimisation et l'\u00e9valuation des pr\u00e9visions).<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Pour en savoir plus sur l\u2019API et son fonctionnement en mati\u00e8re de pr\u00e9vision d'\u00e9nergies renouvelables, cliquez ici.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"625\" class=\"wp-image-12339\" src=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-3.webp\" alt=\"\" srcset=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-3.webp 1000w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-3-300x188.webp 300w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-3-768x480.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n\r\n\r\n\r\n<p><em>Illustration de syst\u00e8mes photovolta\u00efques configur\u00e9s par API.<\/em><\/p>\r\n\r\n\r\n\r\n<h3 id=\"Improved-Accuracy-and-Risk-Assessment\" class=\"wp-block-heading\">Am\u00e9lioration de la pr\u00e9cision et de l'\u00e9valuation des risques<\/h3>\r\n\r\n\r\n\r\n<p class=\"translation-block\">Nous comprenons parfaitement la valeur que peuvent rev\u00eatir les pr\u00e9visions m\u00e9t\u00e9orologiques et \u00e9nerg\u00e9tiques pour les utilisateurs finaux. Afin d\u2019am\u00e9liorer <strong>le niveau de performance<\/strong> de nos pr\u00e9visions m\u00e9t\u00e9orologiques et \u00e9nerg\u00e9tiques  et l\u2019anticipation d\u2019une \u00e9ventuelle erreur de pr\u00e9vision, nous avons mis en \u0153uvre de nouvelles techniques de mod\u00e9lisation avanc\u00e9es (approches hybrides physiques et statistiques), aliment\u00e9es par une plus grande diversit\u00e9 de donn\u00e9es d'entr\u00e9e.<\/p>\r\n\r\n\r\n\r\n<p>Des am\u00e9liorations majeures ont \u00e9t\u00e9 apport\u00e9es tout au long de la cha\u00eene de pr\u00e9vision :<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Traitement de donn\u00e9es h\u00e9t\u00e9rog\u00e8nes (pr\u00e9vision num\u00e9rique du temps (PNT), imagerie satellitaire, observations in situ) dans une cha\u00eene de mod\u00e9lisation unique, tirant parti de la richesse des informations provenant de sources compl\u00e9mentaires.<\/li>\r\n\r\n\r\n\r\n<li>Int\u00e9gration de 4 mod\u00e8les m\u00e9t\u00e9orologiques suppl\u00e9mentaires (d\u00e9terministes et ensemblistes) en plus des 10 mod\u00e8les globaux et r\u00e9gionaux d\u00e9j\u00e0 utilis\u00e9s, afin de r\u00e9duire les erreurs extr\u00eames et d'am\u00e9liorer la pr\u00e9cision globale de nos pr\u00e9visions.<\/li>\r\n\r\n\r\n\r\n<li>Meilleure prise en compte des niveaux de performance r\u00e9els de chaque mod\u00e8le en fonction des r\u00e9gions et des horizons de temps dans la combinaison multi-mod\u00e8les.<\/li>\r\n\r\n\r\n\r\n<li>Pr\u00e9visions probabilistes affin\u00e9es en utilisant des informations suppl\u00e9mentaires sur la dispersion des mod\u00e8les ainsi que leurs variations temporelles (d\u2019un run \u00e0 l\u2019autre) et spatiales (autour des sites d\u2019int\u00e9r\u00eats).<\/li>\r\n\r\n\r\n\r\n<li>Am\u00e9lioration de la pr\u00e9vision imm\u00e9diate des nuages par traitement de donn\u00e9es satellitaires (d\u00e9tection des nuages nocturnes, mod\u00e8les de flux optique et transfert radiatif atmosph\u00e9rique avanc\u00e9s).<\/li>\r\n\r\n\r\n\r\n<li>Am\u00e9lioration des techniques de post-traitements statistiques (corrections topographiques, effets des a\u00e9rosols, m\u00e9thode des analogues, Machine Learning \u2026).<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Cette pr\u00e9cision am\u00e9lior\u00e9e \u2501 nous avons estim\u00e9 un gain global de +5% \u00e0 10% sur l'erreur absolue en moyenne annuelle \u2501 vous permet de prendre des d\u00e9cisions \u00e9clair\u00e9es bas\u00e9es sur des pr\u00e9visions plus fiables, d'att\u00e9nuer les risques et d'optimiser vos op\u00e9rations.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"490\" class=\"wp-image-12337\" src=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-2.webp\" alt=\"\" srcset=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-2.webp 1000w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-2-300x147.webp 300w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-2-768x376.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n\r\n\r\n\r\n<p><em>Exemple de pr\u00e9visions probabilistes d\u2019irradiance globale horizontale (GHI) \u00e0 horizon 24 heures pour un site d'Europe occidentale pendant 5 jours cons\u00e9cutifs. Pr\u00e9visions g\u00e9n\u00e9r\u00e9es par notre ancien syst\u00e8me (en haut) compar\u00e9 \u00e0 notre nouveau syst\u00e8me (en bas).<\/em><\/p>\r\n\r\n\r\n\r\n<h3 id=\"Timeliness-is-essential-in-the-world-of-weather-and-power-forecasting\" class=\"wp-block-heading\">Disposer de mises \u00e0 jour tr\u00e8s fr\u00e9quentes est essentielle dans le monde de la pr\u00e9vision<\/h3>\r\n\r\n\r\n\r\n<p class=\"translation-block\">Notre nouveau syst\u00e8me fournit des <strong>mises \u00e0 jour en continu en exploitant mieux les mesures en temps-r\u00e9el<\/strong>, que ce soit \u00e0 partir de sources de donn\u00e9es in-situ ou satellitaires. Tout \u00e9cart ou anomalie dans les pr\u00e9visions est rapidement identifi\u00e9 et corrig\u00e9, garantissant ainsi l'acc\u00e8s aux informations les plus r\u00e9centes et les plus pr\u00e9cises possible.<\/p>\r\n\r\n\r\n\r\n<p>Gr\u00e2ce aux mises \u00e0 jour en temps r\u00e9el (jusqu'\u00e0 une par minute en fonction de la disponibilit\u00e9 des mesures), vous pouvez adapter rapidement vos prises de d\u00e9cision et maximiser le potentiel de vos sources d'\u00e9nergies renouvelables.<\/p>\r\n\r\n\r\n\r\n<p>Nous pouvons appliquer des corrections en temps-r\u00e9el \u00e0 l'aide de mesures sur site pour tous les param\u00e8tres m\u00e9t\u00e9orologiques, solaires et \u00e9oliens, \u00e0 condition que des donn\u00e9es de qualit\u00e9 soient disponibles et transmises dans les bons d\u00e9lais.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"500\" class=\"wp-image-12336\" src=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-1.webp\" alt=\"\" srcset=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-1.webp 1000w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-1-300x150.webp 300w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-1-768x384.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n\r\n\r\n\r\n<p><em>Exemple de pr\u00e9visions probabilistes de GHI sans correction (en haut) et avec correction en temps-r\u00e9el (en bas) en conditions de ciel clair (\u00e0 gauche) et par temps nuageux (\u00e0 droite).<\/em><\/p>\r\n\r\n\r\n\r\n<h3 id=\"Actionable-Decision-Support-Tools\" class=\"wp-block-heading\">Des outils d'aide \u00e0 la d\u00e9cision exploitables<\/h3>\r\n\r\n\r\n\r\n<p>Chez Steadysun, nous sommes convaincus que la donn\u00e9e n'a de valeur que si elle peut \u00eatre traduite en information exploitable et facile d\u2019utilisation. C'est pourquoi notre nouveau syst\u00e8me de pr\u00e9vision comprend des outils d'aide \u00e0 la d\u00e9cision plus interactifs et plus flexibles (possibilit\u00e9 de r\u00e9aliser du sur mesure).<\/p>\r\n\r\n\r\n\r\n<p>Ces outils permettent d'analyser efficacement les donn\u00e9es de pr\u00e9vision et d\u2019observation, d'identifier les tendances et de prendre des d\u00e9cisions \u00e9clair\u00e9es sur la base des informations livr\u00e9es tout en tenant compte des incertitudes et des risques. Gr\u00e2ce \u00e0 des visualisations intuitives ainsi que des indicateurs pertinents et adapt\u00e9s \u00e0 vos besoins, vous pouvez exploiter tout le potentiel de nos pr\u00e9visions pour vos projets d'\u00e9nergies renouvelables.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"500\" class=\"wp-image-12335\" src=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image.webp\" alt=\"\" srcset=\"https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image.webp 1000w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-300x150.webp 300w, https:\/\/steady-sun.com\/wp-content\/uploads\/2023\/06\/image-768x384.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n\r\n\r\n\r\n<p><em>Exemple d'indice de confiance personnalis\u00e9 tenant compte du risque orageux autour d\u2019une r\u00e9gion d'int\u00e9r\u00eat (\u00eele tropicale).<\/em><\/p>\r\n\r\n\r\n\r\n<h3 id=\"What-are-the-next-steps-now?\" class=\"wp-block-heading\">Et maintenant ?<\/h3>\r\n\r\n\r\n\r\n<p>Le lancement du nouveau syst\u00e8me de pr\u00e9vision de Steadysun marque une \u00e9tape importante dans le domaine des pr\u00e9visions m\u00e9t\u00e9orologiques et \u00e9nerg\u00e9tiques. La fiabilit\u00e9, la flexibilit\u00e9, la pr\u00e9cision, les mises \u00e0 jour en temps-r\u00e9el et les outils d'aide \u00e0 la d\u00e9cision offerts par notre syst\u00e8me repr\u00e9sentent une avanc\u00e9e significative pour l\u2019ensemble de nos clients. Nous sommes fiers de vous proposer cette technologie de pointe et nous nous r\u00e9jouissons de pouvoir soutenir vos projets d'\u00e9nergies renouvelables gr\u00e2ce aux capacit\u00e9s de pr\u00e9vision les plus avanc\u00e9es qui soient.<\/p>\r\n\r\n\r\n\r\n<p>Pour ce qui est de l'avenir, nous sommes enthousiastes \u00e0 l'id\u00e9e des prochaines avanc\u00e9es et des am\u00e9liorations continues qui se profilent \u00e0 l'horizon. Le d\u00e9veloppement de l'intelligence artificielle offre un immense potentiel pour progresser davantage. En exploitant la puissance du Deep Learning et du Machine Learning, nous pr\u00e9voyons des am\u00e9liorations de performance encore plus importantes dans la pr\u00e9vision des champs m\u00e9t\u00e9orologiques, en particulier pour les besoins infra journaliers (pr\u00e9vision imm\u00e9diate, de 15 minutes \u00e0 6 heures \u00e0 l'avance).<\/p>\r\n\r\n\r\n\r\n<p>Nous sommes par ailleurs heureux d'annoncer que nous travaillons sur une nouvelle interface web encore plus conviviale. Notre objectif est d'am\u00e9liorer l'exp\u00e9rience utilisateur, en facilitant l'acc\u00e8s et l'interpr\u00e9tation de la richesse des informations fournies par notre syst\u00e8me de pr\u00e9vision. La nouvelle interface offrira une navigation intuitive, des affichages personnalisables et des visualisations interactives, ce qui vous permettra de g\u00e9n\u00e9rer, d'explorer et d'analyser les pr\u00e9visions sans effort. Nous nous engageons \u00e0 am\u00e9liorer continuellement nos services et \u00e0 veiller \u00e0 ce que nos clients b\u00e9n\u00e9ficient d'une exp\u00e9rience transparente et agr\u00e9able lorsqu'ils utilisent nos capacit\u00e9s de pr\u00e9vision avanc\u00e9es.<\/p>\r\n\r\n\r\n\r\n<p>Avec Steadysun, gardez une longueur d'avance et tirez parti de la valeur des pr\u00e9visions m\u00e9t\u00e9orologiques et \u00e9nerg\u00e9tiques fiables pour assurer votre succ\u00e8s.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"Not-a-customer-yet-and-want-to-see-our-forecasts-in-action?\" class=\"wp-block-heading\">Vous n'\u00eates pas encore client et vous voulez tester nos pr\u00e9visions ?<\/h3>\r\n\r\n\r\n\r\n<p>Inscrivez-vous pour \u00e9valuer gratuitement nos pr\u00e9visions d\u00e8s aujourd'hui et voyez la diff\u00e9rence que cela peut engendrer pour vos prises de d\u00e9cision !<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button elementor-button elementor-button-link elementor-size-md elementor-animation-grow\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/steadyweb.steady-sun.com\/account\/signup\/\">D\u00e9marrer un essai<\/a><\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Our team is thrilled to announce the launch of our new forecasting system, which promises to change the way you make use of weather and power forecasts.<br \/>\nIncreased flexibility and autonomy, improved accuracy and risk assessment, live updates, and actionable decision-support 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