Cost of solar installation has fallen in decade - SF Chronicle. 28% from 1997 to 2007. Average price right in California is $8.10 per kilowatt, and per another study needs to fall below $5 to be economical.
Another report mentioned prices will fall another 10-20% this year due to decreased demand hitting prices due to the credit crunch. Estimate $7.30 to $6.50. Now, is electricity going to stay around $5 per kilowatt? Will there be increased efficiencies in manufacturing? New processes? New installation processes to cut costs? Economies of scale? Hmm... The fun of forecasting!
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