
⚡ WA's Energy Game-Changer: TagEnergy Eyes a 4-Hour Mega Battery in Ravenswood!
Nov 12
3 min read
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Australia's Big Battery Boom Goes West!
The race to secure Australia’s clean energy future is heating up, and all eyes are turning to Western Australia (WA). Portuguese renewable powerhouse TagEnergy, already famous for building the massive Golden Plains Wind Farm in Victoria, is shifting its focus west with a major new proposal.
The Project: The proposed Paterson Battery Energy Storage System (BESS).
The Location: The small town of Ravenswood, WA.
The Specs: A powerful 150 MW / 600 MWh system. This 4-hour duration makes it a key player for long-term grid stability.
This move underscores the confidence global investors have in the Australian energy transition. The acquisition of local firm ACE Power by TagEnergy solidified its development pipeline, adding this strategic project to its rapidly expanding national portfolio.

🔋 Why This 600 MWh Battery is a Grid Hero
The Paterson BESS isn't just another battery; it's a strategically vital piece of infrastructure designed to tackle the unique challenges of Western Australia's power system—the South West Interconnected System (SWIS).
1. Instant Grid Firming Power
The key function of this grid-scale battery is firming renewable generation. As WA prepares to phase out coal, reliable storage is non-negotiable.
Soaking up Solar: The BESS will charge by absorbing the excess solar energy generated during the sunny WA daytime.
Peak Demand Discharge: It will then rapidly discharge power back into the grid during the high-demand evening peaks, ensuring homes and businesses stay powered after the sun sets.
Grid Resilience: This storage is crucial for improving the reliability and resiliency of WA's isolated power network.
2. Smart, Cost-Effective Connection
The project is designed for maximum efficiency and minimum disruption.
It will connect directly to the existing Pinjarra Substation, drastically cutting down on the need for costly and complex new transmission infrastructure.
The project components include the battery container units, electrical inverters, transformers, and a small, necessary substation.
🦜 Green Light for Green Power: Environmental Due Diligence
Developing major infrastructure always requires a careful look at the local environment, and this project is no exception. The proposal is currently navigating the federal government’s environmental approvals queue under the EPBC Act.
Key Concern: Assessing the potential impact on the Carnaby's black cockatoo (Zanda latirostris), an endangered species native to the region.
The Outcome: Regulators, after consultation, concluded that due to the existing landscape condition and limited clearing required, the impact on the Threatened Black Cockatoo species is not expected to be significant.
This positive assessment is a strong sign for a swift green light, moving the project closer to construction.
📰 Current Market Pulse: WA Leads the Storage Charge
This project arrives as Western Australia aggressively ramps up its energy storage capacity. The WA Government’s Energy Transformation Strategy is heavily focused on big batteries to manage the influx of rooftop solar and the retirement of coal plants.
WA's Commitment: The State Government has invested billions in energy infrastructure, including massive Kwinana Big Battery stages (KBESS1 and KBESS2, now operational).
Federal Boost: The recent federal Capacity Investment Scheme (CIS) tender in WA secured an extra 654 MW / 2,600 MWh of battery capacity across four new projects, showing the market’s intense appetite for storage.
Big Batteries are replacing gas-fired peaking plants as the most cost-effective way to guarantee power when the sun isn't shining or the wind isn't blowing.
✅ Your Role in Australia’s Energy Revolution: Partner with EServices4U
As grid-scale battery projects like Paterson BESS secure the national network, there's never been a better time for Australian households and businesses to take control of their own energy. EServices4U is your trusted partner in the smart energy transition.
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Start your personal clean energy journey today and join the movement toward a cleaner, smarter Australia.
Visit Us: www.eservices4u.com.au Email Us: growthpartner@eservices4u.com.au






