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August 31, 2021

Kahana Solar PV Park – Battery Energy Storage System, US

By Carmen

The Kahana Solar PV Park – Battery Energy Storage System is a 20,000kW energy storage project located in Napili-Honokowai, Maui, Hawaii, US. The rated storage capacity of the project is 80,000kWh.

The project will be commissioned in 2023.


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

The key applications of the project are renewable capacity firming and renewable energy time shift.

Contractors involved

Innergex Renewable Energy is the owner. Innergex Renewable Energy is the developer.

Additional information

Kahana Solar Project is a proposed 20 MWAC solar photovoltaic system coupled with a 20 MW, 4-hour (80 MWh) DC-coupled battery energy storage system (DC-ESS). Kahana Solar, LLC is an SPV formed for the project. The solar arrays will connect into an existing Maui Electric Company, Ltd. (Maui Electric) transmission line adjacent to the site.

About Innergex Renewable Energy

Innergex Renewable Energy Inc (Innergex) is an independent renewable power producer. It develops, acquires, owns and operates hydroelectric facilities, wind farms, and solar photovoltaic facilities through long-term power purchase agreements. The company sells electricity to publicly owned utilities or other creditworthy counterparties. Innergex analyzes potential sites and develops hydroelectric, wind and solar facilities up to the commissioning stage. Innergex manages a large portfolio of assets in which it has interests, which include hydroelectric facilities, wind farms, and solar farms, besides various projects under development stages. It owns and operates facilities in Canada, the US, France, and Chile. Innergex is headquartered in Longueuil, Quebec, Canada.


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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