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Solar PV

Solar Photovoltaic Energy Systems

Solar photovoltaic (PV) panels generate electricity directly from sunlight which can then be used to help power your home. Solar photovoltaic can be an efficient energy system in the right application – there are no byproducts from converting the sun’s free energy into electricity. After your solar system is installed, the electricity produced is virtually cost-free.

Semiconductors such as silicon are used to manufacture individual solar cells. Each cell has a positive and a negative layer which creates an electric field similar to a battery. Many individual cells are wired in an array to create a solar PV panel. The size and number of solar panels required for your home depends on how much electricity you use, whether you are supplementing your on-grid home, or powering a remote off-grid cabin.

To be effective, PV panels require direct sunlight. Although solar panels can produce small amounts of electricity in cloudy conditions, direct access to strong sunlight is required for maximum efficiency. Roof-top installations are the most common residential application with ground-based arrays as an option in some applications. Most high-quality PV panels will last for 20 years, or longer. They are designed to resist moisture, wind, and wide temperature ranges. Whether a small 1 kW residential system, or large 1 MW industrial system, the basic system solar PV components are the same.

Click here to go to our free solar PV cost savings calculator.

Installing a 10kW PV system on your home has the same yearly environmental effect as: