Construction begins on one of Australia's largest batteries in Collie

Synergy CEO David Fyfe, Member for Collie-Preston Jodie Hanns and Energy Minister Reece Whitby. PIC: Facebook

Construction has begun on one of Australia's biggest batteries in Collie.

Synergy's battery energy storage system will have a 500 megawatt/2000 megawatt hour capacity, providing more security to Western Australia's main power system.

Synergy’s batteries are already playing a critical role in meeting peak demand, with Kwinana Battery Stage One providing power to the South West Interconnected System since it was completed in May 2023. 

Kwinana Battery Stage Two is under construction and due to be completed in late-2024. 

Collie-based earthworks and rehabilitation specialists Cardinal Contractors has been awarded the contract to complete site preparation earthworks for the battery facility, with up to 500 jobs expected to be created at the peak of construction. 

“This is an exciting milestone for Western Australia’s decarbonisation journey," Energy Minister Reece Whitby said.

“Synergy’s ground-breaking project is significant for the Collie community and will help local workers and families as Synergy seeks to exit coal-fired power by 2030. 

“When complete, this battery will support reliability and more renewable energy on WA’s main electricity grid.” 

The battery is expected to be completed by the end of 2025. 

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