Overview
John Day Substation is a 500 kV electrical substation operated by the Bonneville Power Administration in the United States. It plays a critical role in the Pacific Northwest's high-voltage transmission grid.
John Day Substation is a high-voltage electrical substation located in the United States, operated by the Bonneville Power Administration (BPA). The facility operates at 500 kV, placing it in the large-scale category for transmission infrastructure, critical for long-distance power transfer and grid stability. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for bulk power systems. As part of BPA's network, it integrates with the Western Interconnection and supports the transmission of hydroelectric power from the Columbia River basin. Environmentally, the substation's location in rural Oregon minimizes direct urban impact but requires careful management of electromagnetic fields and vegetation clearance. Its role in transmitting renewable energy from hydro and wind sources contributes to regional decarbonization goals, while its high voltage ensures efficient power delivery across long distances.
Environmental context
The substation is situated in a semi-arid region of north-central Oregon, near the Columbia River. The area's ecology includes shrub-steppe habitats and agricultural lands. High-voltage infrastructure like this requires rights-of-way management to prevent wildfire risks and maintain biodiversity corridors. The facility's operation supports the integration of renewable energy, reducing reliance on fossil fuels.
Frequently asked questions
John Day Substation is located in north-central Oregon, United States, near the Columbia River at coordinates 45.677868, -120.737980.
John Day Substation operates at 500 kV, making it a high-voltage substation critical for long-distance transmission in the Pacific Northwest.
John Day Substation is operated by the Bonneville Power Administration (BPA), a federal agency responsible for electric power marketing and transmission in the region.
The substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security for the bulk power system.
John Day Substation serves as a key node in BPA's transmission network, facilitating the transfer of hydroelectric and renewable energy across the Western Interconnection.