solar electric
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Solar panels give maximum output when they are perpendicular to the sun's rays. Solar panels usually have an efficiency rating somewhere between 40% and 60%. The active material in the most common type of solar panel, and the increased use of solar power has sometimes led to the shortage of the material. Whether on a solar-powered calculator, your home or a space craft, solar panels generate electricity using the same principles of electronics as chemical batteries or other standard electrical outlets. The longevity rating of a solar panel refers to the number of years before the unit starts producing only 80 percent of its original power rating.

































