FindSolar is a great resources for libraries to share with their patrons or use themselves! This website offers lots of resources, location information on solar and allows users to determine the cost of adding solar to your home (including pools, spas and domestic hot water) based on location, climate and electric bills. It offer info for both residential and commercial through it’s a partnership with American Solar Energy Society, Solar Electric Power Association, Energy Matters and the US Dept of Energy.
Check out the Solar Maps area to find out where solar is currently located (or add your location if missing!), the learn of solar power incentives your area, to see how your state compares to others in regards to rebates and incentives, and even view a California heat map to see how solar installation has grown there in recent years. The Solar Power Costs calculator will help you determine if solar energy will work for you.