Utility Dive reports that the California Public Utilities Commission has approved projects with San Diego Gas & Electric and Southern California Edison which will add 800 MW of new solar and storage to the Caiso grid. The SDG&E deals are one solar+storage project, by June and two energy storage battery projects for mid-2024. The SCE’s deals are four energy storage projects. Hydrostor, Canada’s Advanced Compressed Air Energy Storage specialist has signed a 25 year PPA for 200 MW capacity and 1,600 MWh output from its Willow Rock Energy Storage Center. This contract is worth almost $1 billion over the 25 years and provides up to 8 hours of energy storage to Central Coast Community Energy. The Greenko Group said this…