Access updated and detailed datasets of electric power transmission lines for your GIS projects in Marion County, Illinois. This dataset features extensive data on overhead AC transmission lines currently in service, managed by Ameren Illinois Company. Information includes the originating substation at West Mount Vernon and the destination at Raccoon Creek Station. At a voltage level of 345 kv, this dataset based on source imagery and OpenStreetMap is invaluable for professionals managing or analyzing power distribution networks in this region. The data is accurate as of 2015, reflecting the operational status and physical characteristics of the power transmission infrastructure.