Battery systems now in place at Kwinana Stage Two

Aerial photo of battery systems at Kwinana Battery Stage Two site
Battery systems at Kwinana Battery Stage 2

The Western Australian Government has announced the battery systems are now in place at the Kwinana Battery Stage Two.

Synergy has installed the containerised battery systems at what will be WA’s biggest grid-connected battery energy storage system, providing 200MW of power with 800MWh of energy storage.

Related article: GenusPlus wins contract for Kwinana Battery Stage 2

Once complete, the new battery system will be capable of powering 370,000 average homes in WA for approximately four hours.

The Western Australian Government is investing more than $3 billion towards renewable energy generation, transmission and storage, which includes supporting Synergy to expand its portfolio of battery assets to 3000MWh of storage capacity by the end of 2025.

Installation of the Kwinana batteries comes as Synergy gears up to begin works early this year in Collie on one of Australia’s biggest lithium-based batteries. Once built, that battery will provide 500MW of power with 2000MWh of energy storage.

Large-scale battery storage helps to provide system stability and supports the continued uptake of renewable electricity generation in the South West Interconnected System.
Newly installed battery systems at Kwinana Battery Stage Two were supplied by Contemporary Amperex Technology Co. Limited (CATL). Power Electronics has been contracted to provide 72 inverters.

Related article: Whoa, we’re halfway there: WA EV Network milestone

Premier Roger Cook said, “The Kwinana Battery Stage Two is a key part of our energy transition, ensuring WA has cleaner, reliable and affordable energy in the future.

“These large-scale batteries allow us to pump more renewable energy into the grid while keeping our system stable—and it’s great to see this transition happened right in the heart of the Kwinana industrial strip.”

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