[BLDG-SIM] Photovoltaics - cost payback

[Jeff Haberl]

That's a little low. 

Try $7 - $10 w/o batteries and $10 to $15 w/batteries. 

Jeff
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Jeff S. Haberl, Ph.D., P.E.............................jhaberl at esl.tamu.edu

Professor......................................................Office Ph: 979-845-6507

Department of Architecture.......................Lab Ph: 979-845-6065 

Energy Systems Laboratory.......................FAX: 979-862-2457 

Texas A&M University..............................77843-3581

College Station, Texas, USA.......................URL: www-esl.tamu.edu

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----- Original Message -----
From: bldg-sim at gard.com <bldg-sim at gard.com>
To: bldg-sim at gard.com <bldg-sim at gard.com>
Cc: ramana.koti at gmail.com <ramana.koti at gmail.com>
Sent: Wed Feb 14 17:16:14 2007
Subject: [bldg-sim] Photovoltaics - cost payback

Ramana,
 
a rule of thumb would be $6-$10 per installed watt (includes wiring, inverters, etc, no batteries, net capacity returned to grid).  To get payback you would need to compare the cost of electricity in the region.
 
say high to Joan, I think BINM just hired her from the GSA.
 
Leonard Sciarra,  AIA, LEED ap
312.577.6580 (Dir)
G E N S L E R | Architecture & Design Worldwide
30 West Monroe Street
Chicago IL, 60603  
312.456.0123
leonard_sciarra at gensler.com      
 

________________________________

From: bldg-sim at gard.com [mailto:bldg-sim at gard.com] On Behalf Of Ramana Koti
Sent: Wednesday, February 14, 2007 4:18 PM
To: bldg-sim at gard.com
Subject: [bldg-sim] Photovoltaics - cost payback


Dear all,

Any pointers to studies on how long it takes for photovoltaics to payback for the first cost (with or without balance of the system)?

I understand there are many variables involved and there are no straight answers, but any information regarding one or more than climatic region/building types will be helpful. 

Thanks,

Ramana Koti, Sustainable Building Analyst
LEED AP

ELEMENTS | a division of berkebile nelson immenschuh mcdowell architects
106 W. 14th Street Suite 200
Kansas City, Missouri 64105

p 816.783.1635 f 816.783.1501
www.bnim.com| elements.bnim.com

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