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Sumitomo Electric's 2MW/8MWh system in California is currently the US' biggest flow battery energy storage project in operation. Image: Sumitomo / SDGE.

SDG&E and Sumitomo unveil largest vanadium redox flow battery in the US

March 17, 2017
Utility San Diego Gas and Electric (SDG&E) and Sumitomo Electric (SEI) have launched a 2MW/8MWh pilot vanadium redox flow battery storage project in California to study how the technology can reliably integrate renewable energy and improve flexibility in grid management.

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