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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