Access comprehensive data on Electric Power Transmission Lines in Stephenson County, Illinois, tailored for GIS professionals managing power infrastructure projects. This dataset covers two overhead AC transmission lines currently in service, both integral elements of electric bulk power transmission and control. Managed by the Commonwealth Edison Co and American Transmission Co, these lines operate at voltage classes of 100-161 and under 100 respectively. This information is essential for anyone needing precise details about regional power line characteristics and infrastructure, compiled from sources like OpenStreetMap and ATC documents through detailed imagery analysis.