The Joint Base Pearl Harbor Hickam Solar PV Park – Battery Energy Storage Systems is a 20,000kW energy storage project located in West Loch Annex, Honolulu, Hawaii, US.

The project was announced in 2018 and was commissioned in 2019.

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The Joint Base Pearl Harbor Hickam Solar PV Park – Battery Energy Storage Systems is owned by Hawaiian Electric (100%), a subsidiary of Hawaiian Electric Industries.

The key applications of the project are electric bill management, resiliency and reliability.

Contractors involved

Hawaiian Electric has delivered the battery energy storage project.

Additional information

Hawaiian Electric plans to own and operate a 20 MW battery capable of storing 80 MWh of energy at a cost of $43.5 million at the West Loch Naval Annex on land leased from the U.S. Navy for the West Loch solar project. The company hopes to start construction by October 2019 with the system in service by February 2020. Because storage will be paired with the solar facility, it will be eligible for the Federal Investment Tax Credit that will save customers 30% of what the project would cost without the credit.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.