I recon every home buyer should be forced to have a solar system on the roof these have really been made cheap already for so bloody long by the gov,and soon the battery back up system is just about ready,it is not dear to buy when you look at the bloody bill you would get without solar and to be selling back to the grid with your own bat packs is going to be magic my solar on my roof paid for itself in 3 years.
cheers G.R.Hilly.