El Sol Battery Energy Storage System (BESS) is a state-of-the-art facility located in Sun City, Arizona, operating under the jurisdiction of the Western Electricity Coordinating Council (WECC). With an operating capacity of 50 megawatts, this battery storage plant plays a crucial role in enhancing grid reliability and supporting renewable energy integration within the Arizona Public Service Company’s power control area. The facility is regulated and is primarily owned and operated by Arizona Public Service Company, a subsidiary of Pinnacle West Capital Corporation. El Sol BESS utilizes advanced energy storage technology to provide efficient and sustainable energy solutions, contributing to the overall stability and efficiency of the regional power grid.
This website is under development, but we are pushing out updates as we build, so check back Nov. 1 for our official launch.
