The Lake Bonney Wind Farm – Battery Energy Storage System is a 25,000kW energy storage project located in Mt Gambier, South Australia, Australia. The rated storage capacity of the project is 52,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2018 and will be commissioned in 2021.

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The Lake Bonney Wind Farm – Battery Energy Storage System is being developed by Infigen Energy. The project is owned by Infigen Energy (100%), a subsidiary of Iberdrola.

The key application of the project is frequency control ancillary services.

Contractors involved

Infigen Energy is the owner. Infigen Energy is the developer. Tesla is the technology provider for the project.

Tesla is the EPC contractor for the project.

Additional information

The $38 million battery project was delivered with the help from the South Australian Government and the Australian Renewable Energy Agency (ARENA), with each providing $5 million in grant funding. The project is in the final stages of testing and close to full commercial operation.

About Infigen Energy

Infigen Energy Ltd (IEL) is a major renewable energy company that develops, builds, owns and operates renewable energy generation assets in Australia. It generates electricity through both owned and contracted wind farms and a solar farm across New South Wales, South Australia and Western Australia. IEL sells the produced electricity to a range of customers in wholesale markets. Its development pipeline comprises wind and solar projects. The company has operations in Australia, Bermuda, Germany, Luxembourg, Malta, and the US through its subsidiaries and offices. IEL is headquartered in Sydney, Australia.


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.