The Whitsunday Solar project, built by Tranex Power, is supported by both ARENA and the Queensland Government.
Tranex were awarded this project by St Hilliers, following our exemplary performance on the Parkes Solar Farm project. Tranex completed both projectssafely and on – or ahead of schedule.
The Whitsunday Solar Farm (developed by Edify Energy) consists of 1,940 ArrayTechnologies DuraTrack® single-axis trackers and 174,650 PV modules.
The Whitsunday Solar Farm will generate approximately 144,000 megawatt hours(MWh) of clean, renewable electricity into the national power grid each year, thereby making a major contribution to Australia’s greenhouse gas reductions. This reduction will be equivalent to taking either 40,000 cars off the road or planting 250,000 trees, producing enough electricity to power approximately 31,000 homes with renewable energy.
At the Whitsunday Solar Farm, the requirement for 100% pre-drilling presented a significant challenge, particularly in the early days of solar construction. With the industry still exploring foundation options, including concrete, Tranex Power collaborated closely with the single-axis tracker supplier to introduce cement-stabilised sand, adapting a system proven in the US. This innovative approach enabled reliable foundations, reduced construction risk, and set a benchmark for early solar projects in Australia.
The solution proved highly effective and ultimately became an industry standard. Today, 5% stabilised sand is widely used across solar farms for pre-drilled foundations-a practice that originated from this project’s early innovation.
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