Cook County, IL, Solar Map
http://www.elevateenergy.org/community-solar/home/Report a broken link
This map displays rooftops in Cook County, Illinois, that would be suitable to host solar energy systems with rated capacities of at least 25 kW. Clicking on specific rooftops displays information about roof type, land use, municipality or community area, solar energy production potential, the potential number of homes that could be powered, and the potential carbon offsets.
2010 Population: 5,194,675
2010 Population Density: 5,495.11/square mile