For GIS professionals focusing on infrastructure development and maintenance, our dataset on US Electric Power Transmission Lines in Denton County, Texas, offers essential Geographic Information for three key sites. These datasets, built from reliable sources like imagery and OpenStreetMap, include comprehensive details on transmission lines — notably all listed as AC; overhead type. This collection includes lines owned by various entities such as Oncor Electric Delivery and Cooke County Electric Coop Association. The key attributes provided include the voltage, ownership, and the source of data verification, reflecting the specificity needed for precise planning and analysis. Notable properties like voltage levels at 345 and 138 and references to substations like Denton West Interchange and Krum Tap Switch outline the practical components of the electrical infrastructure. This data can be a cornerstone for evaluating and enhancing the power transmission matrices in North Texas.