Are you connected to the grid, but want to reduce or even eliminate your electric bills with free energy from the sun and wind? From the sun-soaked Southwest to windy North Dakota tot he hurricane-prone Southeast, homeowners are discovering renewable energy. Now with rebates and incentives from most states, installing a solar or wind system is an economically attractive and environmentally responsible option. Do it for your checkbook, or for independence room blackouts. Or do it just because you want to help the environment. You'll be glad you did.