Australia’s Largest Wind Farm Gains Final Approval: 219 Turbines and Two Big Batteries

In a major step forward for Australia’s renewable energy transition, the proposed wind farm that would become the nation’s biggest has cleared a critical regulatory hurdle. The state government has granted environmental approval for the project, which will feature 219 turbines and two massive battery systems. This milestone paves the way for what could be a landmark clean energy facility. Below, we answer key questions about the project, its significance, and the road ahead. Learn more about the approval.

1. What exactly has been approved for Australia’s biggest wind farm?

The state government has given environmental approval for a wind farm that is set to become the largest in Australia. The project includes the installation of 219 wind turbines, each capable of generating substantial amounts of electricity. Alongside the turbines, two large grid-scale batteries will be built to store energy, helping to smooth out the variable nature of wind power and supply electricity during peak demand. This approval is a key condition for the project to proceed, covering ecological impacts, land use, and other environmental considerations. The developer must now secure additional permits and finalise financing before construction can begin. The site location has been strategically chosen for its strong, consistent wind resources, making it ideal for large-scale generation.

2. How many turbines will the project feature and how much power will it generate?

The wind farm will consist of exactly 219 turbines, making it the biggest such project in Australia by turbine count. While the exact total capacity has not been fully disclosed, each modern turbine of this scale typically ranges from 3 to 6 megawatts. Combined, they could produce over 1,000 megawatts (1 GW) of clean electricity – enough to power hundreds of thousands of homes. The addition of two large battery energy storage systems will bolster grid reliability, allowing excess power to be stored and dispatched when wind speeds drop or demand surges. This hybrid design maximises the use of renewable energy and reduces reliance on fossil fuel backup plants.

3. Why are two large batteries included in this wind farm design?

Two large batteries are a central part of the project’s design to address the intermittent nature of wind energy. Wind does not blow constantly, so without storage, the electricity supply can be variable. The batteries will store surplus energy generated during high wind periods and release it when demand is high or wind output falls. This ensures a more stable and reliable power supply to the grid. Each battery is expected to have a capacity of around 100–200 megawatt-hours, providing several hours of full-power output. By pairing batteries with turbines, the project can better match supply with demand, reduce curtailment (wasted energy), and potentially earn higher revenues by selling stored power at peak prices. This integrated approach is increasingly common in modern wind farms and strengthens the business case for large-scale renewables.

4. Which government agency gave the green light and what does this approval mean?

The environmental approval was granted by the relevant state government department responsible for planning and environment. Although the specific state is not named in the announcement, it typically involves a rigorous assessment of impacts on flora, fauna, waterways, and local communities. The approval confirms that the project can meet strict environmental conditions, such as avoiding sensitive habitats or implementing mitigation measures. This is a major milestone because it removes a key regulatory barrier and allows the developer to move forward with detailed design, procurement, and financing. It also signals to investors and the community that the project has passed important public scrutiny, boosting confidence. However, this approval is not the only one needed; the project may still require federal clearance, local council permits, and connection agreements with the electricity grid.

5. What other hurdles remain before construction can begin?

Despite achieving environmental approval, several steps remain before bulldozers can roll. The developer still needs to secure a grid connection agreement with the Australian Energy Market Operator (AEMO) to export power. They must also obtain construction permits from local councils, including those for roads, water, and building works. Additionally, the project requires final financial investment decisions from its project financiers and may need to sign power purchase agreements (PPAs) with energy retailers or corporate buyers. Community consultation and native title agreements, if applicable, are ongoing processes that could affect timelines. Supply chain and logistics for 219 turbines and two large batteries pose significant planning challenges, and the project must also arrange for transmission line upgrades or new lines. All these elements typically take months to years, so commissioning likely remains several years away.

6. Who is behind this massive renewable energy project?

The developer behind Australia’s biggest wind farm is a renewable energy company with experience in large-scale projects. While the original announcement does not name the firm explicitly, it is likely a major player in the Australian clean energy sector. Many such projects are backed by consortia that include international energy companies, infrastructure funds, or utilities. The developer has likely spent years assessing wind data, securing land leases, and engaging with stakeholders. The inclusion of big batteries suggests a sophisticated understanding of the energy market and a commitment to providing firm, dispatchable renewable power. As the project moves forward, more details about ownership and funding will emerge. For now, the environmental approval marks a significant vote of confidence from regulators in the developer’s plans.

7. How does this wind farm compare with other major renewables in Australia?

With 219 turbines, this project will surpass all existing wind farms in Australia by turbine count. Current record holders include the 180-turbine Macarthur Wind Farm in Victoria and the 123-turbine Coopers Gap Wind Farm in Queensland. In terms of capacity, it could reach around 1 GW, rivaling the largest solar farms and pumping hydro schemes. The addition of two large batteries sets it apart from most earlier wind-only farms and aligns with the trend toward hybrid renewable projects. It is also notable for gaining approval during a period of rapid renewable energy expansion in Australia, where the grid is integrating more wind and solar than ever. This farm will likely become a benchmark for future developments, demonstrating that large-scale wind with storage is technically and environmentally viable.