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Coolkeeragh BES Ltd., owned by ABO Energy NI Ltd., has submitted planning documents to Derry City & Strabane District Council for a new Battery Energy Storage System (BESS). This project aims to enhance infrastructure for the System Operator for Northern Ireland (SONI) to integrate renewable energy onto the grid during peak demand.

The plans have been amended to utilize Lithium Iron Phosphate (LFP) battery technology instead of Nickel Manganese Cobalt (NMC). The BESS will be located on an 8.6-acre site, 150 meters southeast of the existing Coolkeeragh 275 kV substation, with a capacity of 140MW.

The deployment of this technology is expected to stabilize the electricity network by balancing supply and demand, allowing for the storage of wind energy generated during high production periods. The BESS will connect to the 110kV side of the substation via underground cabling.