What is Solar energy ?
Solar energy is the energy harnessed from the sun. This energy is in the form of solar radiation, which makes the production of electricity possible.
Electricity can be produced directly from photovoltaic (PV) cells. These cells are made from materials which exhibit “photovoltaic effect”, i.e. when sunshine hits the PV cells, the photons of light excite the electrons in the cell and cause them to flow, generating electricity.
Solar energy is a renewable, free, widely available and clean form of energy. The large magnitude of solar energy falling on the earth makes it an attractive source of electricity. In fact, according to estimates, the annual potential of solar energy is several times larger than the total world energy consumption.