Vanadium Redox Flow Battery Project

in San Diego



Project will demonstrate application for renewable energy integration and mitigating the “Duck Curve.”
Battery system is located at a substation to verify operational performance.

Redox Flow Battery

1.No limit of cycles @full charge/discharge
2.Long lifetime (20+ years)
3.Easy to increase the capacity battery system by adding an electrolyte tank
4.Fast response
5.Accurate State of Charge(SoC) monitoring

Support Services

NEDO and Sumitomo Electric, with cooperation from San Diego Gas & Electric Company (SDG&E), a major local power company, are operating a 2 MW/8 MWh RF battery installed at a substation in an electricity distribution grid.

NEDO Representative Office
in Silicon Valley

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