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Solar Cells at 2$/W on EBAY

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Posted by jp838 on February 5, 2009, 1:10 pm

It seems that the price of the Silicon in a Solar panel is a small
part of global price of a full system installed by a professional.

Here panel placed on your roof top by a professional costs around ~8/
W (~US$0).

On EBAY :), as stated in the subject, one can found Solar Cell for
less than 2$/W for rather small quatities. One can guess that for
larger amount of cells the price is much better ???

So, reducing the solar cell cost by a factor two will have little
effect on the final price of a solar system.

I am interested by your comments on this subject.


Posted by Roderick on February 12, 2009, 11:48 pm
That eBay price is very good, if that's the real rating of the cells.

There is, of course, much more involved in that $0/watt rooftop
installation than just the cells.  The panels are UL (or similar)
listed, and warranted for 20-25 years.  That price also includes
labor, mounting racks, an inverter, and the other incidental items.

If you were to shop around, I believe you would find panels for around
$/watt, and the ASP from a low-cost manufacturer such as Suntech is
about $.50/watt.

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