Access comprehensive data on electric power transmission lines in Forest County, Pennsylvania tailored for GIS projects. Our dataset features detailed information about these overhead AC lines, all of which are currently in service. Among the dataset attributes are voltage levels, owner names, and source verification methods. Notably, lines operated by West Penn Power Co and Pennsylvania Electric Co are included, reflecting voltage classes from 100kV to 287kV. This dataset serves as an essential resource for professionals engaged in utility management and geographical analysis of power infrastructure.