Overview
St. John's Switching Station is an operational substation in Portland, Oregon, owned by Pacific Power. It operates at 115 kV, serving as a key node in the regional electrical grid.
St. John's Switching Station is an operational substation located in Portland, Oregon, United States. Owned and operated by Pacific Power, a major utility in the Pacific Northwest, the facility plays a critical role in the region's electrical infrastructure by managing voltage levels and ensuring reliable power distribution. The substation operates at 115 kV, a standard transmission voltage level for sub-transmission and distribution networks in the United States. As part of Pacific Power's grid, it is subject to NERC reliability standards and FERC regulation, ensuring compliance with grid stability and security requirements. The facility's equipment likely includes circuit breakers, switches, and transformers typical of a switching station, designed to route power and isolate faults. Located in an urban area of Portland, the substation supports the city's residential, commercial, and industrial electricity needs. Its operational status contributes to grid resilience in the Pacific Northwest, a region known for its hydroelectric power generation and growing renewable energy integration. The facility's role in voltage regulation and load balancing is essential for maintaining power quality for local communities.
Environmental context
The substation's urban location in Portland places it within a densely populated area with mixed residential and industrial zones. The 115 kV voltage level indicates it serves as a sub-transmission node, potentially connecting to lower-voltage distribution networks. Typical substations in this region are subject to environmental regulations regarding oil containment and electromagnetic field management. The surrounding area's climate, with mild wet winters and dry summers, may influence maintenance schedules and equipment durability.
Frequently asked questions
St. John's Switching Station is located in Portland, Oregon, United States, at coordinates 45.602320, -122.745088.
St. John's Switching Station operates at 115 kV, a common voltage for sub-transmission and distribution networks in the United States.
The substation is owned and operated by Pacific Power, a utility serving customers in Oregon, Washington, and California.
In the United States, substations are regulated by NERC reliability standards and FERC for transmission-level assets. Pacific Power must comply with these to ensure grid stability and security.
A switching station routes electrical power, isolates faults, and allows for maintenance without disrupting the entire grid. It typically operates at transmission or sub-transmission voltages.