battery storage system

April 30, 2026
Developer RES Australia has referred a 400MW/2,400MWh BESS to the federal EPBC Act for environmental assessment.
March 25, 2026
The New South Wales IPC has approved Ausgrid’s 400MWh Steel River East BESS located within the Hunter and Central Coast REZ.
March 23, 2026
5.5GWh of battery energy storage projects have been added to Australia’s Environment Protection and Biodiversity Conservation Act.
March 9, 2026
Origin Energy’s 300MW/650MWh Mortlake BESS has entered AEMO’s MMS, marking the facility’s transition into its commissioning phase.
February 16, 2026
State-owned energy company Stanwell Corporation has commenced commercial operations of its 300MW/600MWh Tarong battery energy storage system (BESS) in Queensland.
February 6, 2026
Iberdrola Australia has officially opened its 65MW/130MWh Smithfield BESS in western Sydney, New South Wales, ahead of schedule.
February 5, 2026
Valent Energy has received development approval from the New South Wales government and satisfied AEMO grid compliance requirements under clause 5.3.4a for its 150MW/437MWh Armidale Battery Energy Storage System (BESS).
January 13, 2026
Horizon Power has submitted an application under Australia’s Environment Protection and Biodiversity Conservation (EPBC) Act for a 239MWh battery energy storage system (BESS) in Broome, Western Australia.
January 8, 2026
Three battery energy storage system (BESS) developments across Australia have been submitted to the Environment Protection and Biodiversity Conservation (EPBC) Act, representing a combined capacity of 1,220MWh.
December 10, 2025
NHOA Energy has secured contracts from Engie for an 80MW/320MWh BESS at Engie’s Drogenbos power station, near Brussels, Belgium.

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