A free tour of central Ohio homes, offices and other facilities that use solar energy will take place on October 7 & 8. The tour is divided into four tours. Shuttle service will be available on two tour routes. Participants can drive to any of the sites in the four areas. Each site will be open for a limited time. Free lunch will be offered at each of the three starting locations. Reservations are required for the shuttle tours. For shuttle reservations and other information call 1-866-473-3664, or visit www.greenenergyohio.org.