There are two main types of solar energy systems.
One is solar electric and the other is solar thermal.
Solar electric systems consist of two main
components. The first is the solar array, which is a group of solar
panels that produce electricity from captured solar energy. Solar electric
panels produce electricity in the form of direct current (DC). To be useful in
your home this DC power must to be converted into alternating current (AC). This
is accomplished by using a special device called an inverter. The really
great thing about solar electric energy is that when the solar electric system
is producing more energy than the home is using, the utility meter will spin
backwards as the excess energy being produced is fed back into the utility grid.
This can eliminate your entire utility bill.

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