On Fri, 16 Jul 2010 01:03:18 -0400, "Existential Angst"
wrote:


one astute fellow pointed out that the solar cells
themselves are not forever, and have a life expectancy of only about 20
years.

He's an astute fellow in the same way that GW was the environmental
president.
"Nowadays, standard monocrystalline and polycrystalline solar panels
both have established proven track records with life expectancies that
exceed 40 years. Manufacturers of these proven technologies are now
comfortable offering warranties of 25 years or more"
http://partsonsale.com/gridtiequestions.html

I said to myself, Holy ****, and thusly did those thumbnail calcs, and came
back with like 75 years ROI!!! Or worse!!!


Go here
http://www.solar-estimate.org/index....nal_estimator=.
Enter your info. Change the cost per W to reflect your ability to pay
less than full-boat retail. This article
http://www.kingmandailyminer.com/mai... 9&TM=37926.71
indicates that the average retail in my area is $5.

Wayne