Risk: Medium Substation Operational

Marion Substation - 500 kV High-Voltage Substation in Oregon, United States

United States

Overview

Marion Substation is an operational electrical substation in the United States, operating at 500 kV for high-voltage transmission grid stability.

Marion Substation is an operational electrical substation located in the United States, with coordinates 44.799861, -122.698782. It operates at a voltage of 500 kV, placing it in the high-voltage transmission category, critical for long-distance power transfer and grid reliability. 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 a 500 kV facility, it likely employs advanced switchgear and automation systems compliant with ISO/IEC 61850 standards for substation automation. This substation plays a key role in the regional electrical infrastructure, supporting the stability of the transmission grid and enabling the integration of diverse generation sources. Its operational status ensures continued service to the surrounding area, contributing to the overall resilience of the United States power system.

Environmental context

Located in a rural area of Oregon, the substation's high voltage (500 kV) indicates its role in long-distance transmission, which can have environmental implications such as land use for transmission corridors and potential electromagnetic field considerations. The surrounding natural landscape may include forests and agricultural land, requiring careful siting to minimize ecological disruption.

Frequently asked questions

Marion Substation is located in the United States, with approximate coordinates 44.799861, -122.698782, likely in the state of Oregon.

Marion Substation operates at a voltage of 500 kV, which is classified as high-voltage transmission, used for long-distance power transfer.

Marion Substation is currently operational, meaning it is actively serving the electrical grid.

As a U.S. substation, Marion Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets, ensuring grid stability and security.

A 500 kV substation is a critical node in the high-voltage transmission network, stepping up or down voltage for efficient long-distance electricity transport and interconnecting major generation sources with load centers.
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