The Illinois Solar Tour is a FREE public educational event to generate awareness and knowledge of how solar and other forms of renewable energy are being used by home and business owners throughout the state. It is the best event to attend if you are planning to install a system or are looking to learn more about renewable energy.The self-guided tour features a rising number of downstate Illinois sites this year, including the new installation at the Taylorville airport. The description for one hints at why there are several around Springfield this year by mentioning the CWLP Solar Rewards rebate program.
It seems like solar systems are getting mainstream enough that you can buy them anywhere. They should become a standard part of any home with a suitable spot to place one.
Of course, you should contact your utility before deciding what sort of system to purchase, and if you're in Springfield, you'll get invaluable information from the experts at the Energy Services Office.