2009 20 billion Dollars
2010 90 billion Dollars - a gigantic change for one year.....considering that.....
...solar Industry growth rate averaged 30% for the last 20 years, still strong growth by any definition. (solarbuzz.com)
State and Federal incentives account for the huge increase in 2010. (solar energy industries assoc)
A topic on many minds indeed. I wish I knew what to do about it all. Thank you for your research and easy to read stats:)
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