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Sumitomo Electric demoing ESS for power grid in California; US’ largest redox flow battery system

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Following the start of the project in September 2015, a redox flow battery system (2 MW x 4 hours) was constructed for a power grid at a substation in San Diego. Demonstration will now be carried out to evaluate the management of surplus electricity and regulation of grid frequency and voltage fluctuation.

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US and Japan collaborating on smart grid project in Hawaii; EV operation and charging, including grid-balancing services

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The project is supported by Japan’s New Energy and Industrial Technology Development Organization (NEDO), in cooperation with the State of Hawaii, Hawaiian Electric Company, Inc., Based on the results of the feasibility study, the project is expected to be implemented by the end of March 2015. Hitachi Ltd. Nissan Motor Co.:

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