Do not rush in selecting the first solar power system you come across. Before you make a commitment with a company, you need to make sure you cannot find any better deals elsewhere. Check out your town's federal, state, and local incentives first. You can find this information at the DSIRE database.
Sweet Home Alabama 2002.
Think about converting your water heater to solar energy. A water heater can represent upwards of thirty-five percent of a single home's energy use. While these costs may be lower upfront than the full power ones, solar water heaters can save you money sooner.