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August 31, 2021

Kahe Battery Energy Storage System, US

By Carmen

The Kahe Battery Energy Storage System is a 135,000kW energy storage project located in Oahu, Hawaii, US. The rated storage capacity of the project is 810,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2020 and will be commissioned in 2022.

Description

The Kahe Battery Energy Storage System is owned by Hawaiian Electric (100%), a subsidiary of Hawaiian Electric Industries.

The key applications of the project are load-shifting services and grid backup power services.

Contractors involved

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Hawaiian Electric is the owner. Tesla is the technology provider for the project.

Additional information

Hawaiian Electric is proposing to build a 135-megawatt (MW) / 810 megawatt-hour (MWh) BESS at Kahe Power Plant. Tesla is working on a bid to deploy one of the biggest battery systems in the world with 244 Megapacks, Tesla’s latest giant battery system, on a Hawaiian island. The proposed project consists of a grid-tied BESS capable of storing 810 MWh of energy and discharging it at a rate of 135 MW. Hawaiian Electric, which is funding the project, anticipates that the total value of the project will be between $200 and $300 million.

Methodology

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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