PV Shingle Costs [RE-wrenches]

David Blecker blecker at seventhgenergy.org
Wed Dec 11 20:49:44 PST 2002


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Folks,

A customer asked how the economics of PV shingles work if she includes some 
solar energy during a planned roof replacement.  My always-professional 
response was to stare back blankly and smile.

So how about it?  Do you start with a PV perspective and subtract the 
square footage costs of conventional roofing material that will instead be 
covered with PV to come up with a "net" PV cost?  Do you start with a 
roofer's perspective and add the cost of PV into the roof materials cost to 
show the incremental cost of PV?   And finally, has anyone figured this out 
already?

David


----------------------------------------------------------
David Blecker, P.E., Director
Seventh Generation Energy Systems
608-424-1870 (ph)  424-1810 (fax)

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