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Solar Roofing Shingles
Integrating photovoltaics into roofing
shingles produces clean solar powerThin-film photovoltaic (PV) cells are now
doubling as rooftop shingles. U.S. Depart-
ment of Energy (DOE) research on thin-film
PV and a growing interest in integrating PV
into buildings has resulted in this new
building material that generates electricity
using sunlight.
The new PV shingles are being manufactured
by a U.S. company, United Solar Systems
Corporation, which has already achieved
quarterly sales of $1 million. The company
employs 90 people in Troy, Michigan, and
San Diego, California. By 2001, the company
expects to achieve annual domestic sales of 3
megawatts (MW) and equal or greater
international export sales.
The energy generated from a building's PV
rooftop shingles can provide power both to
the building and to the utility's power grid.
Two-thirds of the electricity generated
in the United States is now used in
buildings.
Electricity generated by photovoltaic
(PV) shingles on buildings supplies
power to the building and to the
utility grid.
PV shingles provide environmentally
safe, clean energy to help meet future
electrical needs.
Quarterly sales of PV shingles
have hit $1 million.
DOE research and development
progress on thin-film PV contributed
to a manufacturer's decision to open
the first large-scale production plant in
the world.Several demonstration projects, including a
solar rooftop system showcased at the
Southface Energy and Environmental
Resource Center in Atlanta, Georgia, have
proven that these innovative shingles can
provide clean electricity.
PV shingles offer many advantages:
" Provide the same protection, durability,
and flexibility as ordinary asphalt shingles
" Aesthetically appealing, blending with
standard roofs and normal home
construction
" Replaces roofing material-additional
shingles underneath are unnecessary
- Low installation costs
- Lightweight.
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The PV shingles shown here on a house in Atlanta,
Georgia, won Popular Science magazine's grand
award for "What's New in Environmental
Technology." The PV shingles cover the inner
portion of the lower roof section.
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Johnson, N. OUT Success Stories: Solar Roofing Shingles, book, August 31, 2000; Golden, Colorado. (https://digital.library.unt.edu/ark:/67531/metadc620571/m1/1/?rotate=90: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.