I think I remember you wrote a short essay on this, and I commented that the economics is silly.
Here is one the payback period is 88 years, but the panels only last 30 years. This is typical.
http://www.dallasnews.com/sharedcontent/dws/news/localnews/stories/032010dntexsolarpanels.4085bf3.html
2 answers
huh?
ok, it wasn't you then. sorry.