California’s first eight-hour grid battery just came online
BY THE OPTIMIST DAILY EDITORIAL TEAM The California grid has a timing problem. Solar runs from mid-morning through early evening. Demand peaks later. Batteries have bridged part of that gap for years, but only about four hours’ worth. On June 1, a project in Kern County doubled that window. Tumbleweed, a 125-megawatt battery installation, went online as the first major storage facility in the U.S. capable of discharging for eight hours straight. It’s the only one of its kind in the country right
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