WA is a tough one.
80+% of the state population is in Perth.
The Williams Supercharger (in a town of 400) is way more remote than say Dubbo (38000) and Southern Cross (as a vote winner) (with 700) equally remote.
Suspect in the next few years Tesla will cover Geraldton to Albany, but I think the WA network with its smaller sites will have to do the rest.
Maybe all the way to Kalgoorlie if Southern Cross is any guide.. but look at Qld, nothing West of Toowoomba.
So it has occurred to me that Tesla does not have a great incentive to build Superchargers in WA. It has shown that it can sell plenty of cars without them. And, because of the adoption of the CCS standard, Tesla can ride on the back of the various other charging network programs.
But maybe Tesla will prove me wrong when they announce the installation of their Marble Bar Supercharger.