CIMIC Group's UGL has been contracted by Neoen to design and construct Stage 1 of Collie Battery, a 219MW/877MWh battery energy storage system (BESS) and associated energy infrastructure in Western Australia. UGL will be responsible for the design, construction, testing and commissioning of the 33/330kV substation, the installation of the Tesla2 XL Megapacks and the associated balance of plant infrastructure. UGL's scope also includes the replacement of an existing bridge and construction of an access track to the site.

Neoen's Collie Battery will provide up to four hours of energy storage and will connect to Western Power's substation which is part of the South-West Interconnected System (SWIS).