Origin Energy’s 300MW/650MWh Mortlake BESS has entered AEMO’s MMS, marking the facility’s transition into its commissioning phase.

Speaking to ESN Premium, Tom Best and Rachel Rundle of Eku Energy explore some of the key policies and drivers of Australia’s ESS market.

The 200MW/400MWh New England battery energy storage system (BESS) in New South Wales has registered with the Australian Energy Market Operator’s (AEMO) Market Management System (MMS).

Akaysha Energy has confirmed that the replacement transformer for Australia’s 850MW Waratah Super Battery will be delivered in Q3 2026.

“Australia remains a multi-gigawatt proving ground for utility-scale energy storage systems,” says Kashish Shah of Wärtsilä Energy Storage.

Australia’s Clean Energy Council has said that 2025 saw as many battery energy storage systems commissioned as in the last 8 years combined.

State-owned energy company Stanwell Corporation has commenced commercial operations of its 300MW/600MWh Tarong battery energy storage system (BESS) in Queensland.

Major Australian energy generator-retailer EnergyAustralia has reached financial close on its 250MWh Hallett battery energy storage system (BESS) in South Australia.

Energy infrastructure platform Revera Energy has completed an expanded US$150 million credit facility to accelerate development and construction of its battery storage, solar, and green hydrogen project pipeline across Australia and the UK.

The Victoria government has approved two large-scale battery energy storage system (BESS) projects totalling 700MW through its Development Facilitation Program (DFP).