Access detailed datasets of US Electric Power Transmission Lines in DuPage County, Illinois, specifically tailored for GIS professionals. This dataset provides comprehensive data on overhead AC transmission lines in service, characterized by their 345 kV voltage class. Two noteworthy lines include those extending from Nelson to Electric Light 345 kV and from Wayne to Libertyville, illuminating the infrastructure sustaining DuPage County's energy distribution. Gain insights into the physical length of these transmission lines and leverage this data, sourced from reliable and up-to-date imagery and documentation. Whether mapping out utility infrastructure or analyzing energy distribution networks, this dataset serves as an invaluable asset for professionals focused on utility management and planning in Illinois.