Core Insights - GridStor has acquired the 100-MW/400-MWh White Tank battery storage project in Arizona from Strata Clean Energy, aiming to support Arizona Public Service (APS) in meeting growing energy demands [1][2] - The project will operate under a 20-year tolling agreement with APS, which serves approximately 1.4 million homes and businesses, and is expected to commence commercial operations in the first half of 2027 [2] Company Overview - GridStor is a developer and operator of utility-scale battery energy storage systems, with a project pipeline exceeding 5 GW of battery storage projects in later-stage development or under construction across the western and central U.S. [2] - Strata Clean Energy, the seller of the White Tank project, has over 300 projects in its portfolio, including more than 3 GW of its own construction, and is involved in engineering, procurement, construction, operations, and maintenance [1] Industry Context - Arizona is experiencing rapid demand growth for electricity, with APS and other utilities setting all-time records for peak power demand in August 2023 [1] - The White Tank project will enhance APS's ability to charge and discharge electricity as needed, ensuring reliable power access for the region's expanding population and new industrial facilities [2]