If you have you been wondering if you should install solar panels on your home, there are several things to keep in mind. Factors such as the direction that your roof faces and the location of trees in your yard can make a difference. You will also need to know whether or not you want your electrical system tied to the local power grid. Here’s a brief list of some of the things you will need to consider.
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An important factor is deciding if your system will be grid tied or off grid. Grid tied means that your solar power system will be hooked up to the local electric utility company. While sunlight is reaching the solar panels, they will be producing electricity to power your appliances. During times when your solar panels aren’t receiving 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 hooked up to a utility company. This type of system is more commonly found in rural or remote areas where utility poles are harder to access and hookups are 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 affect placement of your solar panels. They need access to direct sunlight for as much of the day as possible for optimal efficiency. Large trees that cast shadows on the roof as well as taller buildings that might block the sun need to be taken into consideration. As each home has various combinations of these factors, each house must be individually evaluated. Accurate measurements and surveys, as well as a site inspection by a knowledgeable installer will produce the necessary information for the best solar panel configuration for your house.
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