It would probably be a good idea to wait awhile on that one Rb. Apparently Balance has some issues with the Perenjorie BESS.
Perhaps Jrdbull with his contacts might have some insight as to why that project still has issues some twelve months after it was due to be completed.
"Western Power has admitted the Perenjori battery energy storage system is not at the level it wants it to be, in response to community complaints the system is a complete failure."
https://thewest.com.au/news/midwest-times/battery-power-a-dud-in-perenjori-locals-ng-b88801570z
https://decmil.com/project/perenjori-bess/