Hanworth Battery
The largest planned battery project in the nation
The Hanworth Battery has a capacity of 1.2 GW / 4.8 GWh, at full scale, will be capable of storing and delivering enough electricity to power more than half a million homes during the evening peak, when demand is highest and solar generation drops off.
The Hanworth Battery project is strategically located in Bannaby, NSW, next to the Transgrid’s Bannaby 500/330kV substation that is currently being expanded as part of the Humelink project.
Key Facts
Location: Bannaby, New South Wales.
Battery capacity: 1.2GW / 4.8GWh.
Size: 12 hectares
Status: In development
Read the latest insights

3 Aug 2026
Habitat Energy to optimise landmark 380MW DC-coupled solar and 307MW/614MWh storage portfolio for Octopus Australia
Octopus Australia has appointed Habitat Energy to provide trading and optimisation services for two of the nation’s first DC-coupled solar…

23 Jul 2026
Australian Renewable Energy Market Update – May & June 2026
AEMO’s 2026 ISP Confirms Scale of Investment Opportunity In June, the Australian Energy Market Operator (AEMO) released its 2026 Integrated…

2 Apr 2026
NSW Premier Signals Strong Backing for Octopus Australia’s Blind Creek Solar & Battery Project
NSW Premier Chris Minns joined Octopus Australia to break ground at the Blind Creek Solar and Battery project, signalling strong government backing…