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Duke Energy has launched a 50-megawatt battery storage system at the former Allen coal plant in North Carolina, part of a $100 million project that began serving customers in November 2025. This initiative is aligned with the company's 2025 Carolinas Resource Plan, which aims to add 6,550 MW of battery storage by 2035, and includes plans for a larger 167-MW project starting construction in May 2026. Additionally, a 115-MW system is planned for the Riverbend coal plant site, with construction expected to begin in late 2026.