The Puna Battery Energy Storage System is a 6,000kW energy storage project located in Puna, Hawaii, US. The rated storage capacity of the project is 6,000kWh.

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


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

Contractors involved

Hawaiian Electric is the owner of Puna Battery Energy Storage System.

Additional information

The project would deliver power to the existing Puna Generating Station Substation, which would then distribute it through the island-wide transmission and distribution grid.


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.