en.Wedoany.com Reported - On May 31, the 300MW/600MWh energy storage station in Gaoyi, Shijiazhuang, was successfully connected to the grid. A grid-connection ceremony was held on May 29, and after two days of commissioning and optimization, the station achieved full-capacity grid connection and entered the trial operation phase.

The project, invested and constructed by Dalian Sanfeng Group Huiqiao New Energy, is located in Fucun Town, Gaoyi County, Shijiazhuang. It covers a total planned area of approximately 43 mu and includes the construction of a 220kV step-up substation. The core of the station adopts the cascaded high-voltage large-capacity energy storage system independently developed by Guangzhou Zhiguang Energy Storage, featuring direct high-voltage grid connection, no transformer losses, millisecond-level response speed, and a small footprint. It is suitable for the large-scale, long-cycle operation needs of hundred-megawatt-level shared energy storage stations.

After being connected to the grid and put into operation, the station will perform functions such as peak shaving and valley filling, frequency and voltage regulation, and backup capacity support. It will support the integration, innovation, and large-scale development of the new energy storage industry and new energy systems in Hebei Province, promoting the optimization of the energy structure and the green and low-carbon transition.

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