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Old 03-25-2014, 01:39 PM   #3
tgs

Join Date
Mar 2007
Age
48
Posts
5,125
Senior Member
Default
Solar is probably the most expensive of the renewable energy sources at the moment. In New Zealand where 85% of our energy is renewable we have a lot of hydro and geothermal and are just getting started on wind. Solar on the roof is a good investment and my last electric bill was $0.74 which gives me a 15% return on my investment.
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