Overview
Saint Mary's East Substation is an operational electrical substation in the United States, owned and operated by Portland General Electric. It plays a key role in local grid stability and power distribution.
Saint Mary's East Substation is an operational electrical substation located in the United States, owned and operated by Portland General Electric. As part of the regional transmission and distribution network, it facilitates voltage transformation and power routing to serve residential, commercial, and industrial customers in the surrounding area. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. Typical substations in this region handle voltage levels ranging from 12 kV to 230 kV, with modern switchgear and automation systems to ensure safe and efficient operation. This facility contributes to the resilience of the local power grid by providing a node for electricity distribution and load balancing. Its location in a suburban area near Portland, Oregon, supports community energy needs and integrates with the broader Pacific Northwest power system, which relies on a mix of hydroelectric, natural gas, and renewable generation.
Environmental context
The substation is situated in a suburban area of the Pacific Northwest, a region characterized by mild, wet winters and dry summers. The local grid is heavily influenced by hydroelectric power from the Columbia River system, and substations like this one help manage load fluctuations from seasonal demand and renewable energy integration. The facility's design likely includes measures to minimize electromagnetic field exposure and comply with environmental noise regulations.
Frequently asked questions
Saint Mary's East Substation is located in the United States, near Portland, Oregon, at coordinates 45.502689, -122.836575.
Saint Mary's East Substation is currently operational and owned by Portland General Electric, a major utility in the Pacific Northwest.
The substation is operated by Portland General Electric, which manages the facility as part of its regional power distribution network.
Substations in the US must comply with NERC reliability standards and FERC regulations, ensuring grid stability and safety. Facilities like Saint Mary's East Substation also follow ISO/IEC 61850 for substation automation.
Substations step down high-voltage transmission power to lower voltages for distribution, and they also switch and protect circuits. They are critical nodes for load balancing and fault isolation.