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EDF Renewables North America has secured a 20-year Energy Storage Power Purchase Agreement (PPA) with Arizona Public Service (APS) for the Beehive Battery Energy Storage System. Located in the City of Peoria, Maricopa County, Arizona, the stand-alone battery energy storage system (BESS) will have capacity of 250 MW/4-hour duration.

Beehive BESS expects to start construction in 2025, and will consist of lithium-ion battery enclosures, inverters, transformers, and substation. The facility, designed to receive energy from the power grid when renewable penetration is high, will store the electricity in a series of batteries until electrical power is needed by the grid at peak hours, at which time the energy is released back into the power grid for consumption to help manage APS’s growing energy and capacity demand.