Too Many naysayers here spreading their pessimistic attitude bringing a general sense of negativity to this discussion.

!!
Solar is doable and cost effective right now for every single houshold in Australia !!

System payback periods are 5-15 years at todays prices.
Unfortunately,the majority of Aussie power consumers prefer to Consume more and buy up endlessly. Like a new Plasma TV, Air-Conditioner, Car, Caravan, Astronomy Mount, Telescope, Computer, I-Phone, ...etc, etc,
The Australian Government hands out our TAX's to the dirty coal industry to the tune of $1.5 BILLION annually!

Invest that into solar energy instead and there will be a huge turn around in clean power!