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August 31, 2021

Mehana Solar PV Park – Battery Energy Storage System, US

By Carmen

The Mehana Solar PV Park – Battery Energy Storage System is a 6,600kW energy storage project located in Kalaeloa, Oahu, Hawaii, US. The rated storage capacity of the project is 26,400kWh.

The project will be commissioned in 2022.


The Mehana Solar PV Park – Battery Energy Storage System is being developed by Onyx Renewable Partners. The project is owned by Onyx Renewable Partners (100%).

The key applications of the project are renewable capacity firming, renewable energy time shift and grid support services.

Contractors involved

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Onyx Renewable Partners is the owner. Onyx Renewable Partners is the developer.

Additional information

The project supply’s power to Kalaeloa community.


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.

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