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TECHNICAL PAPERS

Analyzing Two Federal Building-Integrated Photovoltaics Projects Using ENERGY-10 Simulations

[+] Author and Article Information
Andy Walker

National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393e-mail: Andy_Walker@nrel.gov

Doug Balcomb

National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393e-mail: Doug_Balcomb@nrel.gov

Gregory Kiss

Kiss+Cathcart Architects, 44 Court St., 12th Floor, Brooklyn, NY 11201e-mail: g.kiss@kisscathcart.com

Norm Weaver

InterWeaver Consulting, PO Box 775444, Steamboat Springs, CO 80477e-mail: N_weaver@interwvr.com

Melinda Humphry Becker

Smithsonian Institution, 955 L’Enfant Plaza, Suite 3230, Washington, DC 20024e-mail: humphm@opplp.si.edu

J. Sol. Energy Eng 125(1), 28-33 (Jan 27, 2003) (6 pages) doi:10.1115/1.1531643 History: Received April 01, 2002; Revised August 01, 2002; Online January 27, 2003
Copyright © 2003 by ASME
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References

Balcomb, J. D., 1997, “Energy-10: 1997 A Design Tool for Buildings,” Building Simulation ’97, International Building Performance Simulation Association, Prague.
Christensen, C., 1984, Digital and Color Energy Maps for Graphic Display of Hourly Data, SERI/TP-253-2461, Available from NTIS: DE85000526, National Renewable Energy Laboratory, Golden, CO.
Wilcox, B. A., Barnaby, J. R., and Niles, P. W., 1992, CNE Users Manual, Berkeley Solar Group, Oakland, CA.
Klein, S. A, 1996, TRNSYS–A Transient Simulation Program, Solar Energy Laboratory, Univ. of Wisconsin, Madison, WI.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., 1989, ASHRAE 90.1, Energy-Efficient Design of New Buildings Except Low-Rise Residential Buildings, ASHRAE, Atlanta, GA.
French, J., Hoffman, R., and Pompetti, P., 1994, Facilities Master Plan: Smithsonian Environmental Research Center, Ballinger Company, Philadelphia, PA.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., 1993, ASHRAE 90.2, Energy-Efficient Design of New Low-Rise Residential Buildings, ASHRAE, Atlanta, GA.
American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc., 1997, ASHRAE Handbook–Fundamentals (SI ed.), ASHRAE, Atlanta, GA.
Vasile, C., 2001, Residential Waste Water Heat-Recovery System: GFX, CADDET Energy Efficiency Series, December 1997. Fact sheet retrieved on July 12, 2001, from the World Wide Web: http://www.caddet-ee.org/newsdesk/nw497_05.htm.
United Solar Systems Corp., no date, 2001 Uni-Solar Roofing Systems Architectural Standing Seam Panels. Information retrieved on July 20, 2001, from the World Wide Web: http://ovonic.com/unitedsolar/roofingsystemarchitech.html.
PV F-Chart, 2000, software available from F-Chart Software, Box 4042, Madison, WI 53711.

Figures

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TRNSYS simulation in Energy10 requires orientation and series-parallel arrangement of modules, module dimensions and nameplate data, and difficult-to-find data such as transmittance-absorptance product and the semiconductor band-gap
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Plan view of SAO with PV integrated into standing-seam metal roof and walkway canopy
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South elevation views of SAO with PV integrated into curtain wall glazing and walkway canopy
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West elevation view of SAO with PV integrated into standing-seam metal roof and curtain wall
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ENERGY-10 report showing PV output and total building electrical load for the first week in July
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ENERGY-10 report showing annual DC energy delivery of each of the five BIPV arrays on the SAO
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ENERGY-10 report showing annual energy use of SAO base case, energy efficiency improvements, and BIPV savings
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Schematic design of SERC one-story housing unit by Architrave PC with three standing-seam BIPV arrays added to south-facing roof
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Annual utility energy use intensity (Btu/ft2/year) of base case, schematic design, all efficiency measures, and BIPV for one-story SERC housing unit
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Comparison of annual DC energy delivery for the five arrays on the SAO as predicted by both Energy-10 and F-Chart
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Rendering of SAO featuring small BIPV entry canopy to maximize demonstration benefits at reasonable cost (Source: Kiss+Cathcart Architects PC)

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