More environmentally friendly alternatives for energy - How Solar Power Works

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Healthier, More Environmentally Friendly Alternatives for Energy - Solar Energy


Solar power is produced by using photovoltaic (PV) cells to capture the energy of the sun and convert it into electricity. The basic unit of the system is the solar cell, which are connected together into modules. PV cells are comprised of semi-conductors, most often made of silicon (like the chips used in computers). The semiconductors absorb power when they are struck by light. These modules or panels of PV cells are what you see installed typically on the roofs of homes and businesses. The electricity created by the solar system is DC or direct current, and the electricity we use in our homes is AC or alternating currents. Thus solar systems include an inverter which changes the DC current into useable AC current. Installing solar systems is a complicated technical process and most people will benefit by using contractors skilled in solar technology and electrical installation.

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How Solar Power Works

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