Keywords: Illinois wind resource map 50m 800.jpg BadJPEG en Average annual wind power distribution for Illinois 50m height above ground also showing location of existing electrical transmission lines http //www windpoweringamerica gov/images/windmaps/il_50m_800 jpg United States Department of Energy National Renewable Energy Laboratory TrueWind Solutions 2009-05-13 EERE copyright policy says its works are public domain http //www1 eere energy gov/webpolicies/ copyright http //www awstruewind com/files/IL_pwr50m pdf - more detailed commercial version PD-USGov Maps of Illinois Wind power in Illinois U S State 50 meter wind resource maps |