Access comprehensive information on the US Electric Power Transmission Line in Clinton County, Illinois. This dataset offers insights into a key overhead AC transmission line, maintained by Ameren Illinois Company and currently operational. Geared towards GIS professionals, the dataset includes derivations about line voltage, service status, and connections between substations like Centralia. The feature, meticulously sourced from imagery and OpenStreetMap data up to 2018, is a significant asset for regional power grid analysis and enhancements. Gain a clearer understanding of bulk power transmission infrastructure in Illinois with this focussed dataset.