Vistra’s lithium-ion battery system is co-located on the site of its existing Moss Landing Power Plant in Monterey County. Photo Courtesy of Vistra Corp. The largest battery storage facility in the world, located along Monterey Bay in California, has completed an expansion, demonstrating how storage systems can exist on a gigantic scale and can easily expand. Moss Landing Energy Storage Facility, owned by Vistra Corp. of Texas, has now added 100 megawatts to the 300 megawatts of capacity that went online in December, for a total of 400 megawatts. The lithium-ion batteries can run for up to four hours on a charge, which translates to 1,600 megawatt-hours. The initial project and the expansion are operating under a long-term agreement with the utility Pacific Gas & Electric. At the storage facility, rows of structures that resemble shipping containers fill an area that, even before the expansion, was about the size […]