On day one of the Energy Storage Summit Australia 2025, the audience heard that although 2 to 4-hour duration battery energy storage systems (BESS) are favourable, longer durations are starting to challenge this.

“BESS project financing is rapidly evolving,” says Niall Brady of Australia’s Clean Energy Finance Corporation (CEFC).

The Australian government has approved the development of HumeLink, an almost AU$5 billion (US$3.1 billion) energy transmission project that will unlock the 350GWh Snowy 2.0 pumped hydro energy storage (PHES) expansion.

Spanish sustainable energy developer X-Elio is expanding a solar PV plant in Queensland, Australia, with the addition of battery storage.

New South Wales has submitted an Environmental Impact Statement (EIS) for its Central-West Orana Renewable Energy Zone (REZ).

A “farmer-led” utility-scale solar PV and battery storage agrivoltaics project in New South Wales, Australia, has been granted development consent.

Australia’s government has made a AU$100 million (US$66.35 million) investment into the Waratah Super Battery, part of a total AU$500 million capital raise by the project’s developer.

Australia’s national Clean Energy Finance Corporation has invested to help a 100MW/200MWh battery storage project reach financial close.

Australian pension fund Hostplus will invest in a JV to build a 1.5GW renewable energy park.

Over a gigawatt of battery storage has been proposed in a plan to enable the wider rollout of renewables by Powercor, owner and operator of an electricity distribution network serving more than 800,000 customers in the Australian state of Victoria.