Hawaiian Electric Launches Construction of Maui’s First Standalone Battery Storage System

Reuters
2025.12.18 19:05
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Hawaiian Electric Industries Inc. plans to start construction of Maui's first standalone battery storage system, Waena BESS, in January. The 40 MW/160 MWh facility will aid in retiring four units at Kahului Power Plant and support the transition to 100% renewable energy by 2045. Approved by the Public Utilities Commission, the project aims to enhance grid reliability and reduce carbon emissions, with operations expected by 2027.