I keep hearing an estimation/rule of thumb from US based alternative=20 energy types - $1 spent on energy efficiency is worth $4-5 of generation capacity. Eoin On 2012-12-17 16:52, IVP wrote: >> I may need to change my opinion... > Denny, > > I've been looking at alternative supplies, such as panels, over the > past couple of years and reached the (obvious) conclusion that > household energy management is a good place to start before taking > that step .... > Joe --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .