Made-in-the-U.S. technology from Suniva helped Standard Solar deliver at $800,000 under budget.
The 564-kilowatt PV system on the Terry Sanford Federal Building and Courthouse in Raleigh, N.C.,
was a first step toward reaching GSA’s net-zero-energy goal.
56 May 2011 SOLAR TODA Y
As the largest owner of buildings in the United;States,;the;General;Services Administration;(GSA);has;considerable influence on national energy demand
billion Btu. To reduce its carbon footprint and
Terry Sanford Federal Building
Sanford Federal Building and Courthouse in
ranted roof and good solar access.
and Courthouse By GINA R. JOHNSON
PV System Highlights
Average Solar Resource: 5.0 kilowatt-
Average High/Record Low Temps:
49°F– 88°F ( 9°C– 31°C)/- 6°F (- 21°C)
Designer and Installer: Standard Solar
Array Capacity: 564 kilowatts (k W)
Annual AC Production: 772 megawatt-
Panels: 2,352 of Suniva’s 235-watt panels
Inverters: Advanced Energy 500-k W
Array: 14 panels per string but
combiners were different depending
on building location
Array Combiners: SolarBOS
System Monitoring: Locus Energy web-
based monitoring system provides
combiner-level monitoring, revenue-
grade metering, web-based data
reporting and automated alerts.
Commissioned: November 2010
System design and installation:
Copyright © 2011 by the American Solar Energy Society Inc. All rights reserved.
Maximizing System Yield
appropriated for efficiency efforts. According
generation, a design and installation partner
and;price.;Of;five;final;competitive;bids,;Rock-ville, Md.-based Standard Solar was chosen for
Standard Solar has been involved in
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