Overview
Sellwood Substation is an operational electrical substation in Portland, Oregon, owned and operated by Portland General Electric. It handles voltages of 115 kV, 57 kV, and 13 kV, serving the local grid.
Sellwood Substation is an operational electrical substation located in Portland, Oregon, United States. Owned and operated by Portland General Electric, it plays a key role in the region's electrical infrastructure by stepping down transmission voltages for distribution. The substation operates at multiple voltage levels: 115 kV (transmission), 57 kV (sub-transmission), and 13 kV (distribution). This configuration is typical for urban substations that interconnect high-voltage transmission lines with lower-voltage distribution networks. As part of the U.S. grid, it adheres to NERC reliability standards and is subject to FERC regulation for transmission-level assets. Located in a residential area of southeast Portland, Sellwood Substation supports the local community's electricity needs. Its urban setting requires careful integration with surrounding land use, and its age and equipment condition are typical for a substation of its era. The facility contributes to grid stability and reliability for Portland General Electric's service territory.
Environmental context
Sellwood Substation is situated in an urban residential area near the Willamette River. The local environment is characterized by mixed residential and commercial development, with proximity to parks and natural areas. Electrical infrastructure in such settings must manage electromagnetic fields, noise, and visual impact. The substation's design and operation likely include measures to minimize environmental disturbance, such as sound barriers and landscaping.
Frequently asked questions
Sellwood Substation is located in Portland, Oregon, United States, at coordinates 45.458814, -122.651714.
Sellwood Substation operates at 115 kV, 57 kV, and 13 kV, serving transmission, sub-transmission, and distribution functions.
Sellwood Substation is owned and operated by Portland General Electric, a major utility in Oregon.
As part of the U.S. electrical grid, Sellwood Substation must comply with NERC reliability standards and FERC regulations for transmission assets.
Substations like Sellwood step down high transmission voltages to lower distribution voltages, ensuring safe and reliable electricity delivery to homes and businesses.