-Natural source of electricity by using wind turbines we can use the energy in wind to do work. The energy in wind comes from the sun , as long as the sun shines there will be winds on the earth . We will never run out of wind energy it’s renewable energy source. Its also free since no one can own the sun or the earth. Today wind energy makes a small amount of the electricity we use and there are more plans for many more in all over the world.