BOSTON–(BUSINESS WIRE)–Elevate Renewables (“Elevate”), an ArcLight portfolio company and leading developer, owner and operator of energy storage and hybrid generation assets, today announced the acquisition of Prospect Power Storage (“Prospect Power”), the largest standalone battery storage asset in the PJM Interconnection, from Swift Current Energy. The 150 MW/600 MWh project, located in Rockingham County near Northern Virginia’s “Data Center Alley,” is currently under construction and sched