California municipal utility Glendale Water & Power (GWP) has deployed a megawatt-scale battery, based on Saft’s lithium-ion (Li-ion) technology, at its Grandview Substation. With the near- instantaneous ability to respond to changes in load, this pilot energy storage system (ESS) will demonstrate how GWP can achieve an unprecedented capacity to regulate its transmission system and ensure a reliable customer supply. Meeting the requirements of the California Renewable Portfolio Standard GWP is the local, publicly owned, electric utility for the City of Glendale, providing electric services to nearly 88,000 retail customers. GWP has a summer load peak of approximately 300 MW and an annual load obligation of 1.1 million MWh. The utility has made significant progress in meeting the requir

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