Solar energy is the energy that is produced by the sun in the form of heat and light. It is one of the most renewable and readily available source of energy on planet Earth. The fact that it is available in plenty and free and does not belong to anybody makes it one of the most important of the non-conventional sources of energy. Solar energy has been used by people since ancient times by using simple magnifying glasses to concentrate the light of the sun into beams so hot they would cause wood to catch fire. The initial step to convert solar energy to electricity is to install Photovoltaic (PV) cells or solar cells. Photovoltaic means light and electricity. These cells arrest the sun’s energy and convert it into electricity. These solar cells are made of materials that show photovoltaic effect, meaning when the sun rays strike the Photovoltaic cell, the photons of light spook the electrons inside the cell triggering them to start flowing, ultimately producing electricity.

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