You've got gall A172: who knows where referencing balanced argument, devoid of links to nutter websites could lead?
Aircon on Rottnest? You'd be in the serious princess category to need that.
The comment I got from the local rangers was that the 1/3 of the total load supplied by the turbine made desalination of potable water feasible, reducing the drain on the water table in the face of increasingly dry seasons. I see that's also reflected in the Rottnest Authority info.