Reports highlight Australia’s rapid data center expansion as operators struggle to balance accelerating AI growth with constrained energy, water, and land resources.
Australia is currently experiencing a rapid data centre rollout. Warehouses filled with computer servers powering the artificial intelligence tools society increasingly relies on are being constructed at pace, drawing heavily on essential resources. Data centres require substantial amounts of electricity, water, and land. Without adequate planning and oversight, developers will secure these resources at the expense of Australia’s economy, natural environment, and local communities. With careful design, however, data centres can help stabilise the electricity grid, attract regional investment, and drive economic growth. The Australian government is currently drafting the regulatory framework for AI and data centres, with national legislation expected in early 2027.
Energy represents a significant pressure point. The federal government mandates that new data centres match their electricity demand with newly built renewable generation, backed by “sensible firming arrangements”, which means reliable backup power for when renewable supply is low. Most states and territories agree with this approach. However, Queensland and the Northern Territory want data centres to have the flexibility to use fossil fuels both as their primary supply and for firming. Without the right oversight, data centres could compromise Australia’s climate commitments. Operated correctly, data centres could also help the electricity grid work better. By shifting some computing tasks to off-peak times, they could smooth the electricity demand peaks that increase costs and make the system less reliable.
Water is the next pressure point. For instance, Sydney Water anticipates that data centre water needs, primarily for server cooling, could reach 250 megalitres a day by 2035. The good news is that technologies already exist that can significantly reduce consumption. Closed-loop systems recycle the same water instead of letting it evaporate, while some new designs barely use primary water sources at all. The National Australian Built Environment Rating System is developing a water standard for data centres to sit alongside its energy rating. To ensure efficient use of both electricity and water, data centres would be required to hit the top six star rating on both.
Where data centres are built determines how much pressure they place on local resources and how welcome they are in host communities. Around 160 already operate in Australia. Most are clustered in Melbourne and Sydney for access to skilled workers, supply chains, and low latency. That concentration is now pushing local power grids to their limits, putting pressure on network planning and potentially increasing costs for consumers. Steering projects towards regions with spare capacity would ease pressure on the grid and utilise renewable power that might otherwise go to waste. These projects could also act as reliable buyers for new renewable developments, giving investors the revenue certainty they need to bring new capacity online. At the same time, it will be important that this new demand does not compete with other kinds of industry for the same renewable energy supply, which could push up costs and slow the broader industrial transition away from fossil fuels.
The legislative detail is still being drafted. Building in these guardrails now will ensure data centres minimise their strain on public resources and make a positive contribution to Australia’s economic outlook and energy transition.
By Matthew Benetti and Matthew Benetti, Climateworks Centre