There are number of ways which we are using to use solar energy, which includes the solar cooking, solar heating and solar cell. The invention of solar cooker brings the cheaper and eco-friendly alternative of the electric ovens. In cold area solar heat is used to keep the house warm using solar heater. In addition to this, it is used to warm the water using solar panel. The discovery of solar cell made it possible to use the solar energy in the form of electricity. These cells are capable in storing electricity and widely used in space shuttle, calculator, remote, etc.