Installation begins on WA’s biggest battery

Big battery components for standby power (record)
Image: Shutterstock

The Western Australian Government, through Synergy, is a step closer to delivering WA’s biggest battery, with the first battery units installed last week.

Premier Mark McGowan and Energy Minister Bill Johnston visited Synergy’s big battery site in Kwinana on August 5 to see the project milestone.

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Synergy will operate the 100-200MWh battery, which will have the capacity to power 160,000 homes for up to two hours.

The big battery will absorb excess energy from rooftop solar when the sun is shining, and demand is low, then discharge when it is most needed, during the late afternoon and evening peak.

The installation of more than 600 battery units will take approximately eight weeks. The project will provide valuable learnings towards other large-scale battery storage projects earmarked for the next five years.

An estimated $3.8 billion in new renewable energy infrastructure announced by the WA Government in June will include an additional 1,100 megawatts of new storage, to be delivered through Synergy.

Large-scale battery storage will help provide long-term system stability, and support the uptake of more renewables in the South West Interconnected System as WA transitions towards net zero emissions by 2050.

WA Premier Mark McGowan said, “My government is committed to further improving the stability of our power system by building WA’s biggest battery in Kwinana.

“The big battery forms part of our commitment to net zero emissions by 2050, and will support the transition of WA’s electricity grid to higher levels of renewables and storage.

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“The installation of the battery units will take around eight weeks, and has created close to 140 jobs during the construction phase.

“I want to acknowledge NHOA, which is delivering the big battery, for their confidence and investment in Western Australia, by establishing its regional headquarters here in Perth.”

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