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Politics : Formerly About Advanced Micro Devices
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To: Tenchusatsu who wrote (330353)3/26/2007 3:32:24 PM
From: Alighieri  Read Replies (1) of 1574996
 
Huh? The problem is indeed money. It doesn't matter whether you cover 7% of the Arizona desert or convert every single roof tile in America into solar cells. Someone has to pay for it.

The first problem is trying to reduce the cost of solar cells by a factor of five, and that will require a breakthrough in material science.

Oh no....amorphous materials have the potential of being very cheap. They are fabricated in a roll to roll process much like a newspaper is made, on a substrate of very thin stainless steel. The W/ft^2 is comparable to that of crystalline PVs and life expectancy is similar.

Roughly speaking, if you were to cut the current cost of amorphous PV in half from what it is today, it would cost ~$500B to cover 7% of Arizona with it. Clearly affordable. I could easily see amorphous PVs costing 10% of what they do today, in volume.

But there are just a couple of factories in the entire US. No capacity.

Al
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