When Tesla announced a 100 MW/129 MWh battery project in Australia, it was hailed as the world’s largest energy storage facility. Then Abu Dhabi upped the ante by announcing the largest “virtual” battery, with a capacity of 108 MW/648 MWh. Now, a partnership between Mitsubishi Hitachi Power Systems and Magnum Development is going further: all the way to 1GW in energy storage capacity. The Advanced Clean Energy Storage, if it comes to life, will be the largest energy storage facility in the world and it will not involve lithium ion batteries. Instead, it will combine a few different energy storage technologies to ensure reliable supply of electricity, Power magazine reported last week, citing the companies. The site of the facility will be the Magnum Salt Dome in Iowa—a salt cave measuring at least one by three miles according to seismic surveying—property of Magnum Development. According to Iowa’s Governor, Gary […]