Publicly owned energy company Stanwell is partnering with Tesla and Yurika to build the giant 300MW/1200MWh system capable of supplying energy into the grid for up to four hours.

Related article: Queensland Government doubles capacity of Stanwell battery

The mega battery project will include 324 lithium-ion Tesla Megapack 2XL units which will be transported on trucks to site and craned into place.

The project was recently supercharged with a $448.2 million funding boost from the Queensland Government’s Queensland Renewable Energy and Hydrogen Job Fund, with the Premier and Energy Minister announcing in May it’s capacity would be doubled.

Work has also reached the halfway mark on Stanwell’s first dispatchable energy (storage) project, the $514 million Tarong mega battery project, part of what will be the Tarong Clean Energy Hub.

Stanwell CEO Michael O’Rourke said, “Dispatchable energy assets like our Stanwell and Tarong big battery projects are critical as we transform our energy system.

“The big batteries will play a crucial role in the energy transformation by stabilising energy supply from clean renewable sources, meaning they’ll be able to be charged by sources like wind and solar and pumped back into the grid during periods of high demand.

Related article: CS Energy switches on Chinchilla Battery in Queensland

“This will ensure affordable and reliable electricity for our commercial and industrial customers in Queensland and the Eastern Seaboard.

“They are a key piece of our commitment to achieving 5GW of energy storage by 2035 and highlights Stanwell’s vision for a sustainable and innovative energy future.”

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Genex has chosen the latest version lithium iron phosphate Tesla’s Megapack batteries, which are less prone to thermal runaway than the conventional lithium ion alternatives. The Megapacks are expected to be delivered during 2022, with full operation expected by 2023.

The big battery will be built adjacent to the Bouldercombe 275kV/132kV substation near Rockhampton in Queensland and will provide key network support services to the Queensland grid, with the business case for the project being based on both energy arbitrage and FCAS markets.

Related article: Cooling system leak led to Victorian Big Battery fire

The Bouldercombe battery will also form the first part of Genex’s “Como battery strategy” with the company planning to roll out further big batteries throughout the grid.

Genex CEO James Harding said choosing Tesla as the supplier of the battery components was a major step forward for the project and would allow them to work with a provider with significant experience in large battery deployments and the Australian market.

Australian-listed lithium miners are benefiting from increasing prices of lithium amid a sharp rise in demand for the metal considered critical, and used in a wide range of applications including in batteries of electric vehicles.

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