Those interested in solar thermal clean power might be interested in this article.

http://www.salon.com/news/feature/2008/04/14/solar_electric_thermal/

The raw numbers suggest it might have significant advantages over wind power in many parts of Australia, but it’s not cheap.

Based on the Cloncurry model:
http://en.wikipedia.org/wiki/Cloncurry_solar_power_station

To supply 10% of Australia’s power would take something like 150 sq km of
desert and cost around $25 billion. The running costs are very low — break
even in 10 years or so.