Solar Panels: Are They A Good Option For My House?
November 21, 2009 by J Bobyn
Filed under Uncategorized
If you’ve been questioning whether your house is a good candidate for solar panels, here are some things to consider. Factors such as the direction that your roof faces and the placement of trees on your property can make a difference. You will also need to decide whether or not you want your electrical system tied to the local power grid. Following is some information to help you decide if solar panels are a good choice for your home.
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A major factor is deciding if your system will be grid tied or off grid. Grid tied means that your electric system will be connected to the local electric utility company. As long as sunlight is hitting the solar panels, they will be generating electricity to run your appliances. During periods when your solar panels don’t have access to sunlight (nighttime, cloudy days), your appliances would be getting electricity from the local utility company.
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An off grid system works independently and is not connected to a utility company. These are more found more in rural locations where utility poles are distant and getting hooked up is extremely expensive. With off grid systems, excess electricity is stored in batteries (similar to car batteries) and a back-up generator is usually utilized. The solar panels provide electricity during periods of sunlight, and at night or during inclement weather, the batteries or generator take over.
For either system-grid tied or off grid-roof pitch and facing direction, and objects that can block sunlight all play a part in placement of your solar panels. For optimum efficiency solar panels require direct sunlight for as much of the day as possible. Large trees that shade the roof as well as taller buildings that might block the sun need to be considered. As each house has various combinations of these factors, each house must be individually evaluated. Accurate measurements and surveys, as well as a site inspection by a qualified installer will provide the necessary information to choose the best solar panel configuration for your house.
