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Photovoltaic TechnologyA solar cell, or photovoltaic cell, is constructed or grown using silicon. The cells convert sunlight directly into electricity and will as long as the sun is shining. They have to be grouped together into solar panels to produce enough electricity for any useful purpose. Enough panels are needed depending on the amount of electricity to be generated. Panels are grouped into solar arrays for this purpose.
What Is Solar Energy?How Does Solar Energy Work?Solar energy has been used since the Greeks and Romans used passive solar energy in building design. It has always existed and been used in some form. Solar power can be produced and harnessed in several ways. The simplest is converting the UV rays of the sun to heat energy which can be used for home heating, washing and even power generation. Light energy transformed into electric power is probably the best alternative energy source. Even though we harness less than 10% of the sun’s rays that make it to earth, the efficiency with which it is transferred to electric power is around 94 to 95%.
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