There was a really interesting link on a related subject a while back where they were using solar concentration to generate heat, power and desalination for use

There was a really interesting link on a related subject a while back where they were using solar concentration to generate heat, power and desalination for use by the attached greenhouse. To me that's a much more impressive use of technology. Edit: I think this was it http://www.sundropfarms.com/sundrop-system/ http://www.sundropfarms.com/sundrop-system/