Overview
Grassland Switchyard is a 500 kV substation operated by Portland General Electric in Oregon, United States. It plays a critical role in the regional high-voltage transmission grid.
Grassland Switchyard is a high-voltage electrical substation located in Oregon, United States, operated by Portland General Electric. With a voltage level of 500 kV, it is classified as a large-scale transmission asset critical for grid stability and bulk power transfer. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring compliance with reliability standards for transmission-level infrastructure. The 500 kV voltage class is typical for long-distance power transmission in the US, connecting generation sources to load centers. As a key node in the Pacific Northwest grid, Grassland Switchyard supports the integration of renewable energy resources and provides essential voltage support and switching capabilities. Its operational status ensures continued reliability for the surrounding region's electricity supply.
Environmental context
Located in a rural area of Oregon, the substation's environmental context is shaped by its role in transmitting power from distant generation sources, including hydroelectric and wind farms. The high voltage level (500 kV) necessitates careful siting to minimize electromagnetic field impacts and land use conflicts. The facility's operation aligns with regional grid reliability requirements and supports the transition to cleaner energy sources.
Frequently asked questions
Grassland Switchyard is located in Oregon, United States, at coordinates 45.694660, -119.829492.
Grassland Switchyard operates at 500 kV, a high voltage level used for long-distance transmission in the US power grid.
Grassland Switchyard is operated by Portland General Electric, a major utility in the Pacific Northwest.
As a transmission asset, Grassland Switchyard must comply with NERC reliability standards and FERC regulations for grid stability and security.
A 500 kV substation serves as a critical node in the high-voltage transmission network, enabling bulk power transfer, voltage regulation, and interconnection of generation sources.