4 MW battery storage system installed to support wind, solar in California

On May 23rd, 2013 Pacific Gas & Electric Company (PG&E, San Francisco, California, US) and the California Energy Commission (CEC) held a dedication ceremony for a sodium-sulfur battery system in San Jose, California.

PG&E project manager Dave Fribush points out one of the four 1 megawatt batteries as part of the new Yerba Buena Battery Energy Storage System pilot

According to PG&E, the Yerba Buena Battery Energy Storage System Pilot Project has the potential to support increased penetration of wind and solar resources on California's electric grid, and is currently undergoing testing. At 4 MW, the system is California's single largest battery system.

“Battery storage holds tremendous promise in helping electric utilities like PG&E enhance the overall reliability of an ever-changing energy supply,” said PG&E Senior VP of Distribution Operations Greg Kiraly.

“This pilot project will provide critical, real-world data on the technical and financial performance of battery energy storage to help us understand how battery storage devices can serve PG&E’s customers and the overall electric grid.”

The battery system is installed at HGST, Inc. (San Jose, California, US).

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