| Photovoltaics: PV Solar Systems |
Selecting the
Site for Your PV Solar Systems
Alternative Energy for Green Homes
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A PV system needs clear and unobstructed access to the sun's
rays for most of the through the year. The more sun exposure your system
has, the more electricity it produces. Therefore, it often takes a
professional to help you site your PV system. The sun is always in
the southern half of the sky but it is higher in the summer and lower in
the winter. Usually the best location for a PV system is a south-facing
roof, but at times roofs that face east or west might be acceptable. Flat
roofs also work. If a rooftop can't be
used, your solar modules can also be placed on the ground, either on a
fixed mount or a tracking mount that follows the sun to orient the PV
modules. Shade The PV modules should
not be obstructed by trees, roof gables, chimneys, adjacent building or
any other features of your home, yard, and/or neighborhood. Even when sites are
sunny during part of the day and shaded for others, the shading may
substantially reduce the amount of electricity that your system will
produce. Space Needed
The amount of space
needed on your roof depends on the size of the system you purchase. PV modules are
available in a range of types with some offering a greater percent of
sunlight converted to electricity than others. Higher efficiency
modules typically cost more, as you would expect. Roof Type A PV system can be
installed on any type of roof. Some are easier to work with than others. If your roof is older
and needs to be replaced soon, it is best to replace it when the PV system
is installed. This allows you to avoid removing and reinstalling your PV
system when the roof is replaced. Back
to Solar Power Directory For
further information about Renewable
Energy or this area of Texas
contact Terry
Jensen Renewable Energy & Green Services
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