Spanish utility Iberdrola has acquired the 270MW/1,080MWh Tungkillo battery energy storage system (BESS) in South Australia from RES Group.

Publicly-owned energy company CleanCo Queensland’s 250MW/500MWh Swanbank battery energy storage system (BESS) has officially registered with AEMO and commenced its testing and commissioning phase.

Developer Epic Energy has commenced commercial operations at its 100MW/200MWh Mannum battery energy storage system (BESS) in South Australia.

Battery storage equipped with optimisation platforms not specifically designed for Australia’s NEM missed revenue opportunities during the 10 October price spike, according to Sahand Karimi, co-founder and CEO of OptiGrid.

A total of 49.4GW/136.5GWh of grid-scale BESS came online in the first nine months of the year, up 36% compared to the same period in 2024.

Australia’s most powerful BESS, the 850MW Waratah Super Battery, achieved its first full discharge to the NEM last week.

Queensland’s Energy Roadmap 2025 suggests that by 2030, up to 4.3GW of short-duration energy storage could be operational.

On 10 October, electricity prices in New South Wales, Australia, reached the Market Price Cap of AU$20,300/MWh (US$13,307/MWh).

The New South Wales Independent Planning Commission has approved ACEnergy’s 250MW/1,100MWh Yanco battery energy storage system in Australia.

Australia has announced the results of the fourth Capacity Investment Scheme tender, with 11.4GWh of solar-plus-storage contracts awarded.