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Business | Hawaii News

HECO plans $148 million battery project


    Hawaiian Electric Co. is proposing two big batteries, including a 100 megawatt-hours battery, in Leeward Oahu at an estimated cost of $147.5 million. A 1-megawatt test battery at Campbell Industrial Park is shown.

The state’s largest utility is proposing to plug two batteries — really big batteries — into Oahu’s electricity grid to increase development, efficiency and cost savings of renewable energy production plants. Read more

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