By Simon Linge, CEO and Managing Director

Australia is building a digital economy at a pace its electricity grid wasn't designed to handle. The numbers are eyewatering. In FY25, Australian data centres consumed an estimated 3.9 TWh of electricity which roughly 2% of total grid-supplied consumption. Making this more shocking is that the Australian Electricity Market Operator forecasts that figure to grow 25% annually, reaching 12 TWh by 2030 and 34.5 TWh by 2050.

The driver is artificial intelligence with total national data centre occupancy having increased fortyfold between 2005 and 2025 and two-thirds of that growth occurring since 2020. The driver is artificial intelligence and digitisation with total national data centre occupancy having increased fortyfold between 2005 and 2025 and two-thirds of that growth occurring since 2020. This growth is set to gain even more traction given that in 2024 Australia ranked second globally (after the United States) as the most attractive destination for data centre investment.

There are 44 data centres in the development pipeline in NSW alone which totals 11.4 GW and is equivalent to the output of nearly four Eraring coal stations. Victoria sits at a close second place, yet the industry's own estimates suggest only 1.2 GW of that NSW capacity will actually come online by 2030. Not because of demand instead because – unsurprisingly - the grid can’t handle it.

This is where we see the entry of battery storage as central to this growth story which addresses three primary use cases for hyperscale operators;

1. accelerating grid connection timelines by reducing firm power commitments;

2. providing more efficient backup power that can replace diesel generators; and,

3. smoothing power loads between data centres and the grid or on-site generation.

Amazon's recent move is evidence of this as they inked nine power purchase agreements across Australia, with battery storage central to its strategy as they cement their AU$20 billion commitment to expand data centre infrastructure across Australia by 2029.

The policy environment is playing catch up. In March 2026, the Australian Government released its Expectations of data centres and AI infrastructure developers, outlining explicit government expectations about how data centres should contribute to Australia's energy transition, water security, and national interest. The lead message that they AI companies aren’t allowed a free-ride on the grid. An industry coalition has warned that data centres must build their own renewables or face a social and political backlash.

Unsurprisingly, projects designed with flexibility are emerging as leaders in the next stage of data centre development. Battery energy storage systems can smooth load variability and allow data centres to present a predictable profile for network planning, unlocking connection pathways that might otherwise face years of delays.

For those in the battery materials and recycling supply chain, the coming years are imperative. The data centre boom isn't just an energy story but instead a signal for how every part of the battery ecosystem will change. The infrastructure that powers Australia's digital economy will need to be built, maintained, and eventually recycled and the loop will only be as strong as its weakest player.