Hawaiian Electric seeks PUC approval of two battery energy storage projects

Hawaiian Electric is seeking approval from the Hawaii Public Utilities Commission for two proposed self-build battery energy storage system projects.

The proposal calls for one project on Hawaii Island at Keahole Power Plant and one on Maui at Waena — a total of 52 Megawatts between the two projects.

This year, the utility secured its second renewable energy procurement phase — 16 solar-plus-storage projects that will total 460 megawatts when completed. These two projects were among the handful…

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