October 2025 CIMIC's UGL to build 6-hour MucheaBattery for Neoen and Tesla; completes work at Collie Battery 2 ... "The contract to help build Neoen's Muchea Battery is another milestone in our commitment to enabling Australia's energy transition.
Sized at 164 MW / 905 MWh, MucheaBattery will consist of 252 Tesla Megapack 2XL units and will connect into Western's Power's existing Muchea substation in the South-West Interconnected System (SWIS).