1. SoCal Edison Unveils Largest Battery Storage System in U.S.

    SoCal Edison Unveils Largest Battery Storage System in U.S.

    This project follows SCE’s 50-megawatt call for energy storage proposals in 2013. It is the utility's first major step toward meeting the California Public Utilities Commission-imposed mandate requiring it to have 560 megawatts of grid scale storage by 2020, including 290 utility-owned megawatts. The costs of storage are dropping and will drop further as more storage comes online, SCE Director of Advanced Technology Doug Kim told Greentech Media. There are many ways utilities can use it, including grid stabilization, smoothing, shifting, frequency regulation, decreasing transmission losses, and voltage support. Kim said the new system will give SCE needed experience in using storage with variable renewables.

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