For GIS professionals working on projects involving electrical infrastructure in Miami County, Ohio, this dataset offers detailed information on US electric power transmission lines. The dataset includes data for three overhead AC transmission lines, identifying their operational status, ownership by entities such as Duke Energy and Dayton Power and Light Co., and pertinent details on voltage and length. Properties such as NAICS descriptions confirm the lines' role in electric bulk power transmission and control, providing an essential resource for mapping and analyzing regional energy distribution infrastructure. The lines connect various substations in Miami and surrounding areas like West Milton and Shelby, revealing critical points in the local power grid.