Utility-scale battery storage systems in Western Australia supplied 37.2% of peak demand on 9 May, marking one of the highest battery storage penetration levels recorded in an isolated grid globally.

The Australian government has announced the results of Capacity Investment Scheme Tenders 5 and 6 for WA, awarding contracts to 10 projects.

Western Australia to expand renewable energy and energy storage across the Southwest Interconnected System (SWIS). 

Synergy has submitted a hybrid renewable energy project to Australia’s EPBC Act, featuring a 500MW battery energy storage system (BESS).

RE Development Pty Ltd has submitted a development application for a 250MW/1,000MWh battery energy storage system (BESS) in Baldivis, Western Australia.

Western Australia’s ERA has proposed a Benchmark Reserve Capacity Price of AU$491,700/MW per year for the 2028-29 capacity year.

Swedish renewable energy developer OX2 has formally taken ownership of the 1.2GW Dinner Hill Wind Farm and the co-located 400MWh Harvest Battery Energy Storage System (BESS) in Western Australia.

Tesla has announced that by the end of 2026, it expects to have around 4.5GW of grid-forming battery storage operating across Australia.

The Australian government has opened two CIS tenders in Western Australia, targeting 2.4GWh of energy storage and 1.6GW of renewables.

Australia’s AusEnergy Services (ASL), formerly AEMO Services, has released the Capacity Investment Scheme (CIS) Tender 6 parameters, seeking an initial 2,400MWh of dispatchable capacity in Western Australia.