Back in the 60’s or 70’s (too long to remember exactly) there was this myth that if the Pentagon would cover all their facilities with PV the price would drop enough that the average citizen could cover their dwelling unit. The simple answer to this question is price. The not so simple answer is thinness.
While California has 73% of the U.S. solar market is it price or efficiency holding back exponential growth. Efficiency means packing more silicon wafers into each cell. How can you do that? There is another issue, that of brittleness of the wafers. The thinner they get the harder it is to connect the poles to the edges of the wafer.
Read the complete article on iGreenBuild.com here.
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