Overview
St. Helens Substation is an operational electrical substation in Oregon, United States, owned and operated by Portland General Electric, serving the local grid.
St. Helens Substation is an operational electrical substation located in Oregon, United States. Owned and operated by Portland General Electric, the facility plays a key role in the regional power distribution network, stepping down transmission voltages for local consumption. As a substation within the U.S. electrical infrastructure, it operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The facility likely includes switchgear, transformers, and protection systems compliant with IEEE and ISO/IEC 61850 standards for substation automation. The substation supports grid stability and reliability for the surrounding community. Its location in a mixed urban-rural area of Oregon underscores its importance in delivering electricity to residential, commercial, and industrial customers. Portland General Electric's ownership ensures integration with the broader Pacific Northwest power system.
Environmental context
The substation is situated in a region with a temperate climate, where seasonal weather variations can impact grid operations. Its location near the Columbia River may require flood mitigation measures. The facility's design likely incorporates environmental safeguards to prevent oil spills from transformers and to manage electromagnetic fields in compliance with local regulations.
Frequently asked questions
St. Helens Substation is located in Oregon, United States, near the city of St. Helens.
The substation is owned and operated by Portland General Electric, a major utility in the Pacific Northwest.
As a substation, it transforms voltage levels and routes electricity from transmission lines to distribution networks, ensuring reliable power supply to local customers.
The substation operates under FERC jurisdiction and must comply with NERC reliability standards for grid stability and security.
Substations commonly use transformers, circuit breakers, and automation systems based on IEC 61850 for monitoring and control.