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Son énergie nominale est de 3,0856 MWh avec une durée d'environ 4 heures. Il dispose d'un refroidissement liquide et d'une efficacité aller-retour AC de 94 %.","Les spécifications du Tesla Megapack 2 (4 heures) indiquent qu'il est destiné à une installation en amont du compteur. De par sa capacité énergétique, il appartient à la catégorie des centrales électriques et est compatible avec le protocole DNP3, utilisé dans les systèmes de contrôle des réseaux électriques.","Pour le Tesla Megapack 2 (4 heures), les spécifications suggèrent une colocalisation avec des énergies renouvelables, fonctionnant conjointement avec une centrale éolienne ou solaire sur un même site. Son bloc CA inclut l'onduleur. Une configuration de 4 heures le rend adapté au décalage d'énergie, permettant de stocker de l'énergie et de la restituer quelques heures plus tard. 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cotée en bourse","2026-09-13T09:58:41","20+","GWh","Globalement positif","Très grande entreprise (10000+)","Le plus élevé","Fondée en 2003 et basée à Austin, Texas, Tesla s'est diversifiée des véhicules électriques vers le stockage d'énergie par batteries avec Megapack et Powerwall. Elle a déployé 31,4 GWh en 2024 et 43,5 GWh sur les 12 mois glissants jusqu'au troisième trimestre 2025, dont un record de 12,5 GWh en un seul trimestre, ce qui démontre sa capacité industrielle dans la fabrication de systèmes de stockage d'énergie par batteries pour les contreparties de type utilities et financeurs de projets.","Austin","États-Unis","Tesla, Inc.","Arevon Energy, Glendale Water & Power, LA Department of Water & Power, Pacific Gas & Electric","États-Unis, Chine","Powerwall, Toit solaire, panneaux solaires, Connecteur mural, Réseau de superchargeurs, Recharge à destination, Centrale électrique virtuelle, Autobidder","Majeur","Modéré","Solide","Éland ; Mojave, Californie",[129],[242,243],"Bloc CA","Bloc CC",[245],"À l’échelle du réseau","Le système de gestion de batterie (BMS) de Tesla surveille en permanence l'état de charge des batteries haute tension et peut réinitialiser l'état de charge (SoC) au niveau du bloc d'alimentation grâce à des mesures de tension en circuit ouvert, afin d'affiner les estimations d'énergie. Il effectue également des tests de santé de la batterie pour évaluer la rétention d'énergie par rapport aux performances attendues en fonction du type, de l'âge et de l'utilisation de la batterie. Le logiciel de maintenance inclut une routine SoH pour les batteries haute tension.","TSLA","Tesla et LG Energy Solution ont conclu un accord pour construire une usine de batteries de 4,3 milliards de dollars à Lansing, dans le Michigan.\n\nL'usine produira des cellules lithium-fer-phosphate pour les systèmes de stockage d'énergie à l'échelle utilitaire Megapack 3 de Tesla, et la production commencera en 2027 pour les unités que Tesla assemblera dans sa Megafactory près de Houston.",[250,251,252,253,254,255,256,257,258,259,260,261,262,263,264],"UL 1642","UL 1973","UL 9540","UL 9540A","UL 1741 SA","IEEE 1547","UL 1741 SB","IEC 62619","UL1642","UL1973","UL9540","UL9540A","UL1741","IEC62619","IEEE1547","En 2024, Tesla a déclaré que ses produits aidaient ses clients à éviter environ 32 millions de tonnes métriques d'équivalent CO2 et à réduire les émissions sur l'ensemble du cycle de vie de ses véhicules et de ses produits énergétiques.","Spécifications, indicateurs et comparaison des prix des systèmes de stockage d'énergie Tesla BESS","Découvrez les solutions BESS de Tesla : bancabilité, références techniques, prix et Powerhub EMS de Tesla pour le stockage d’énergie à l’échelle du réseau."]