By Jackie Craven, About.com
Two inverters in the basement convert the electricity produced by the solar panels from DC to alternating current (AC).
Photo © Jackie CravenThe electricity produced in this way is absolutely free. It does not cause pollution and cannot contribute to smog, acid rain, or global warming. The energy is clean, silent, and unlimited.
Now, mind you, photovoltaic panels can't collect energy when the sun isn't shining. So, what happens at night?
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