PORTLAND, Ore.–(BUSINESS WIRE)–GridStor, a developer and operator of utility-scale battery energy storage systems, announced today that it has acquired a 100 MW / 400 MWh battery storage project in Arizona from Capacity Power Group (CPG). GridStor’s acquisition and plan to construct battery storage in Arizona comes during a critical time for the region. Rising power demand from residential and large industrial customers is rapidly increasing the volume of new capacity that Arizona’s electric