Western Power Supercharges WA Grid with $342M Transmission Boost
Western Australia is making some major moves in its energy future, and Western Power is right at the heart of it. A massive $342 million worth of contracts has just been awarded to three contractors as part of the state’s largest transmission infrastructure upgrade in over a decade. This investment marks a significant step toward supporting the growing renewable energy sector in WA and ensuring the grid can handle the increasing demand for clean power.
Now, on top of that, Western Power is also stepping up with new network connection offers totaling 759 megawatts for 2024–25. That’s a big deal, especially considering how vital grid access is for large-scale renewable energy projects. Basically, when a project gets one of these offers, it means it’s cleared to start hooking into the electricity network—an essential step toward actually delivering power to homes and businesses.
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Two of the most recent recipients of these connection offers are projects that combine solar and battery storage—helping not just to generate clean power, but also to store it for when it's needed most.
One of them is the Waroona Renewable Energy Hub, developed by Frontier Energy. It’s located about 110 kilometers south of Perth and includes a 120MW solar farm plus an 80MW battery system. Interestingly, this project was delayed last year after missing out on certain capacity credits, but thanks to a win under the federal Capacity Investment Scheme earlier this year, it’s now back on track.
The second major project is the Merredin Battery Energy Storage System, or BESS, which is a 100MW/400MWh battery project developed by Atmos Renewables. It’s going to be built near the existing Merredin solar farm and is designed to store excess solar power and feed it back into the grid when needed. This one also secured a spot under the Capacity Investment Scheme and is expected to play a key role in stabilizing the grid in regional areas.
According to Western Power, a pipeline of over 12 gigawatts of connection-ready projects has already been lined up as of June 2025, showing just how rapidly the renewable sector is expanding across WA. These latest developments show that the transition to clean energy is not just a future vision—it’s actively underway, with solid funding, concrete projects, and infrastructure to back it up.
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