Epic Energy brings 200MWh Mannum battery storage system online in South Australia
Developer Epic Energy has commenced commercial operations at its 100MW/200MWh Mannum battery energy storage system (BESS) in South Australia.

Developer Epic Energy has commenced commercial operations at its 100MW/200MWh Mannum battery energy storage system (BESS) in South Australia.
Battery energy storage revenues in Australia’s National Electricity Market (NEM) fell 61% in September 2025 to AU$85,000/MW (US$56,712/MW) as price volatility eased across the grid, according to new research from Modo Energy.
South Australia is set to open a tender seeking 700MW of long-duration energy storage to bolster grid reliability.
Australia has announced the results of the fourth Capacity Investment Scheme tender, with 11.4GWh of solar-plus-storage contracts awarded.
The New South Wales Independent Planning Commission has approved ACEnergy’s 250MW/1,100MWh Yanco battery energy storage system in Australia.
The NSW Independent Planning Commission has granted planning approval for Potentia Energy’s 500MW Tallawang solar-plus-storage project.
ESN Premium speaks with Fluence’s Matt Grover about the need for sophisticated software solutions to enhance battery trading.
WaterNSW, the state-owned water supplier to New South Wales, Australia, has selected three dams as suitable sites for pumped hydro energy storage (PHES) developments.
Quinbrook Infrastructure Partners has completed construction on the first stage of its Supernode battery energy storage system (BESS) in Queensland, Australia.
Two battery energy storage systems (BESS) from Origin Energy and Eku Energy, totalling 2,200MWh, have been submitted to Australia’s EPBC Act.