Cornelius Substation - 57 kV Electrical Substation in Oregon, United States

Cornelius Substation is an operational electrical substation located in Oregon, United States, owned and operated by Portland General Electric. The facility operates at a voltage of 57 kV, placing it in the medium-voltage range typical for distribution-level substations serving local communities. As part of the U.S. electrical grid, Cornelius Substation operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure reliability and security for transmission and distribution assets. The substation likely employs conventional switchgear and protection systems compliant with industry standards. The substation plays a key role in distributing electricity to the Cornelius area and surrounding communities. Its operation supports grid stability and reliability for residential, commercial, and industrial customers. Portland General Electric's ownership ensures integration with the broader Pacific Northwest power system.

The substation is located in a rural-to-suburban area of Oregon, characterized by mixed agricultural and residential land use. The 57 kV voltage level indicates a distribution substation, which typically has a smaller environmental footprint compared to high-voltage transmission facilities. Local environmental considerations include stormwater management and potential electromagnetic field effects, which are regulated under state and federal guidelines.