For GIS professionals focusing on utility infrastructure in Decatur County, Georgia, this dataset on US Electric Power Transmission Lines could serve as a vital resource. The collection features three detailed records of overhead AC power lines that are currently in service. Each entry details the transmission line's voltage, class, and source validation method, predominantly sourced through imagery and, in some instances, complemented by data from OpenStreetMap. Notable line owners include Georgia Power Co and Gulf Power Co, reflecting the involvement of prominent utility providers in the region. This dataset is particularly useful for those looking to analyze or manage electric power distribution from an infrastructural perspective.