Marion County Solar is a significant energy storage project located in Marion, with a capacity of 20.3 MW. Operated by Savion, a subsidiary of Shell plc, this facility utilizes advanced battery technology to enhance energy storage capabilities within the PJM Interconnection power control area. The project is classified as unregulated under U.S. regulatory standards, allowing for flexible operational strategies. While the expected online year is not available, the strategic positioning of this project underscores its potential contribution to the region’s energy infrastructure and sustainability goals.