Renewables.digital currently lists 10 Battery Storage (BESS) transactions in Australia between January 2026 and September 2026, with a combined capacity of 5,741 MW. Companies involved include CleanPeak Energy (2), Copenhagen Infrastructure Partners (2), Palisade Investment Partners (2), ACEnergy (1) and Bison Energy (1). Development status: Under Development (5), Ready-to-Build (2), Under Construction (2) and Operational (1). The most recent deal is “Palisade / Intera Renewables Acquires 600 MW Monogorilby Wind and BESS Project in Queensland and 400 MW Winton BESS in Victoria” (14 September 2026).
10Transactions
5,741 MWTotal capacity
3Technologies
5With PPA
January 2026 – September 2026Period
All Battery Storage (BESS) transactions in Australia
Palisade Investment Partners has acquired, through Intera Renewables, two development-stage renewable energy projects in Australia: Monogorilby (up to 600 MW wind + 400 MWac / 1,600 MWh BESS in Queensland) from LP Renewable Projects, and Winton WRESST (400 MWac / 1,600 MWh grid-forming BESS in Victoria) from Celero Infrastructure. Both projects were acquired partway through development.
Copenhagen Infrastructure Partners (CI V) has acquired the Gawara Baya hybrid project in North Queensland, Australia from Windlab, comprising a 408 MW onshore wind farm and 104 MW of grid-forming BESS. Financial close secured with an AUD 1.7 billion facility from 10 banks. Construction is now underway with full operation expected in 2030.
BW ESS has acquired the 250 MW / 1,000 MWh Yanco BESS project in Riverina, New South Wales from ACEnergy. The ready-to-build project connects to the Yanco 132 kV substation with CATL as System Integrator and ACLE Services as BoP contractor. Construction commences later in 2026, with commercial operation planned for 2028, underpinned by a long-term capacity swap.
Enervest has acquired the 300 MW Northern Border Battery, a large-scale BESS project in development on the NSW–QLD border, connecting to the Dumaresq substation. The project is the first asset retained under Enervest's own-and-operate model and is expected to begin construction in early 2028, supporting grid reliability ahead of the closure of the Eraring coal power station in 2029.
CleanPeak Energy Holdings has signed an agreement to acquire 100% of Sustainable Energy Infrastructure (SEI), one of Australia's largest owners of sub-5 MW distributed solar and battery assets. SEI operates 71 MWac of solar PV across 16 sites and 42 MW of BESS across 11 sites in NSW, Victoria and South Australia. The acquisition accelerates CleanPeak's national renewable energy growth strategy.
Palisade Investment Partners has agreed to acquire a 100% interest in the 240 MWac / 960 MWh Summerfield BESS in South Australia from Copenhagen Infrastructure Partners, through its Australian renewable energy platform Intera Renewables. The project is currently under construction and is expected to reach commercial operation in late 2026, underpinned by a long-term tolling agreement with Origin Energy.
Flow Power has acquired the Dunedoo Energy Project, a 55 MW solar farm and 60 MW BESS located near Dunedoo in the Warrumbungle Shire, New South Wales, from ib vogt GmbH. The project holds State Significant Development approval and construction is scheduled to commence in 2026. Once operational, it will power up to 20,000 homes and businesses and provide grid stability services across regional NSW.
Octopus Australia has acquired the Hanworth Battery Energy Storage System in New South Wales and the Dunmore Solar and Battery project in Queensland. The acquisitions include a planned 1.2 GW / 4.8 GWh battery, set to become Australia’s largest, and a 300 MW solar project paired with 150 MW of battery storage.
CleanPeak Energy has acquired five solar and battery energy storage development sites in New South Wales from Fortitude Renewables. The portfolio totals 25 MW of solar capacity and 100 MWh of battery storage and will support long-term corporate energy contracts, with construction planned for 2026.
15 January 2026 · 2,000 MW · Australia, New Zealand
I Squared Capital has launched ANZA Power, a new IPP backed by a USD 300 million commitment. The platform will deliver reliable, dispatchable clean energy across Australia and New Zealand under long-term power agreements. Bison Energy Group has sold a 2-GW pipeline of solar, battery and hybrid renewables projects in Australia and New Zealand to US private equity firm I Squared Capital
Data as of 30 September 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.
