Access comprehensive data on electric power transmission lines in Liberty County, Texas. Our dataset, "US Electric Power Transmission Lines," features detailed records for six significant overhead AC transmission lines, backed by accurate, imagery-based validation methods from sources such as OpenStreetMap. The entries highlight operational statuses, voltage classes ranging from under 100 to 345 kV, and key ownership details including entries from prominent operators like Entergy Texas Inc. and CenterPoint Energy. Perfect for GIS professionals engaged in utility management and planning, this dataset provides essential insights into the region's power infrastructure with precise geographical length measurements and current service statuses.