Access the US Electric Power Transmission Lines dataset tailored for Portland, featuring data primarily from overhead AC transmission lines. This dataset encompasses around 6 unique transmission lines with detailed specifications such as voltage levels, owner, and connection points between substations. Examples of these features include lines from Bonneville Power Administration and Portland General Electric, covering voltage classes from 100-161 to 345 kV. This carefully compiled information, sourced mainly through imagery and documented up to 2020, supports professionals in the electric power infrastructure sector. Each entry is identified clearly with properties like voltage, ownership, and validation methods, offering GIS specialists a well of data crucial for mapping and analysis in urban energy distribution and planning. The dataset serves as a vital tool for anyone engaged in the upkeep, planning, or analysis of Portland's electric transmission network.