Data is presented that shows solar photovoltaic costs decreasing. Over the past decade, photovoltaic module and non-module elements have contributed to the cost decline. ... ... "From 1998 to 2008, installed costs declined by about 3.6% (or $0.3/W) per year, on average, starting from $10.8/W in 1998. Preliminary cost data indicates that the average cost of projects installed through the California Solar Initiative program during the first 8½ months of 2009 rose by $0.4/W relative to 2008, while average costs in New Jersey declined by $0.2/W over the same period. " ...
Via Lawrence Berkeley National Laboratory: Tracking the Sun : The Installed Cost of Photovoltaics in the U.S. from 1998-2008 (PDF) |
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