California 's investor - owned utilities ( IOUs ) have been forced to " ramp up " their energy storage capacity by an additional decade , after governor rich Brown signed four bills into law . The legislation , which has been incorporated into one bill , is set to " boost behind - the - meter and utility energy storage capacity " . Pacific Gas & Electric , San Diego Power & Electric and Southern California Edison are already in the process of purchasing 1.325 GW of energy storage .
California's investor-owned utilities (IOUs) have been forced to "ramp up" their energy storage capacity by an additional 50MW, after governor Jerry Brown signed four bills into law. The legislation, which has been incorporated into one bill, is set to "boost behind-the-meter and utility energy storage capacity". Pacific Gas & Electric, San Diego Gas & Electric and Southern California Edison are already in the process of purchasing 1.325 GW of energy storage.