China's First Large-Scale Lithium-Sodium Hybrid Energy Storage Station Officially Operational

Published: May 26, 2025 14:11

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[China's First Large-Scale Lithium-Sodium Hybrid Energy Storage Station Put into Operation] On May 25, the official account of CSG ESS announced that China's first large-scale lithium-sodium hybrid energy storage station, the Baochi Energy Storage Station of China Southern Power Grid, was officially put into operation in Qiubei County, Wenshan Zhuang and Miao Autonomous Prefecture. The Baochi Energy Storage Station is a national pilot demonstration project for new-type energy storage and one of the first batch of pilot demonstration projects for centralized and shared new-type energy storage in Yunnan Province. With an installed capacity of 200 MW/400 megawatt hours, the station can regulate 580 million kWh of electricity annually based on a two-charge and two-discharge cycle per day, equivalent to the annual electricity consumption of nearly 270,000 households, with green electricity accounting for up to 98%. The project, invested and constructed by CSG Energy Storage Co., Ltd., commenced in October 2024. After undergoing grid connection and power transmission, as well as full-capacity grid-connected operation, it completed detection tests and was officially put into operation in May.

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