Access tailored data on electric power transmission lines in Brewster County, Texas, designed specifically for GIS professionals involved in energy and utilities mapping. This dataset, the US Electric Power Transmission Lines, includes three detailed entries showcasing overhead AC lines, complete with attributes such as voltage classes, operational status, and sourcing details. For those mapping the infrastructure in Texas' expansive landscapes, the features like Barilla Junction to Marfa Alamito Creek, and Alpine to Marfa Alamito Creek routes provide insightful data on current in-service lines. Each entry also includes source verification details from 2018 and 2019, helping ensure the accuracy and relevancy of the information provided. This dataset can be a useful resource for enhancing regional electric grid visualizations and planning.