Javier Savolainen of Wärtsilä explains how Australia’s battery storage and pumped hydro fleet have been impacted by the current heatwave.

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.

Origin Energy has announced the commercial commencement of the 1,770MWh Eraring Battery 1 in New South Wales, Australia.

Two battery storage system developments from FRV Australia and AGL Energy, totalling 2,200MWh, have reached major milestones in Australia.

Ampyr Australia has secured a 15-year battery storage agreement with InCommodities for the 600MWh Bulabul BESS in New South Wales.

Potentia Energy has received federal environmental approval for its 1,000MWh Tallawang Solar Hybrid project, and Fluence has delivered its Gridstack battery energy storage equipment to Ampyr Australia’s 600MWh Bulabul Battery installation.

Developer Akaysha Energy has confirmed that the 850MW Waratah Super Battery will undergo a planned balance of plant shutdown from 20 November to 2 December 2025.

Australia’s DCCEEW has announced that the Capacity Investment Scheme Tender 8 will launch later this month seeking 16GWh of energy storage.

Octopus Australia has achieved financial close on a AU$900 million (US$587 million) DC-coupled hybrid facility that combines 300MW of solar generation with a 243MW/486MWh battery energy storage system (BESS) in New South Wales.

Three large-scale BESS with a combined capacity of 720MW have been submitted for federal assessment under Australia’s EPBC Act.