Ellensburg Substation - Bonneville Power Administration Facility in Washington

Ellensburg Substation is an operational electrical substation located in Washington, United States. Owned and operated by the Bonneville Power Administration (BPA), it is part of the federal power marketing administration's extensive transmission network serving the Pacific Northwest. The substation's coordinates place it in a rural area near Ellensburg, supporting grid stability for the region. As a BPA facility, Ellensburg Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). BPA's transmission system includes high-voltage lines up to 500 kV, and this substation likely handles voltage levels typical for regional distribution and interconnection. The substation's age and specific voltage are not detailed, but its operational status indicates ongoing maintenance and compliance with reliability standards. The substation contributes to the electrical infrastructure of central Washington, facilitating power transfer from hydroelectric and renewable sources to local utilities and communities. Its location in an agricultural and wind-energy-rich area underscores its role in integrating renewable generation into the grid. The facility supports BPA's mission of providing reliable, low-cost power while meeting environmental stewardship goals.

The substation is situated in a semi-arid region of central Washington, characterized by agricultural lands and proximity to the Columbia River basin. The area supports significant wind energy development, and the substation likely facilitates the integration of renewable power into the grid. Its rural location reduces direct environmental impact on urban populations, but overhead transmission lines may affect local wildlife and land use. BPA's operations are subject to environmental regulations under the National Environmental Policy Act (NEPA).