精选优质文档-倾情为你奉上The Basics of Solar Power for Producing ElectricityUsing solar power to produce electricity is not the same as using solar to produce heat. Solar thermal principles are applied to produce hot fluids or air. Photovoltaic principles are used to produce electricity. A solar panel is made of the natural element, silicon, which becomes charged electrically when subjected to sun light.Solar panels are directed at solar south in the northern hemisphere and solar north in the sout