CX-013420: Categorical Exclusion Determination

Columbia Generating Station Seismic Bus Connections CX(s) Applied: B2.5Date: 02/06/2015 Location(s): WashingtonOffices(s): Bonneville Power Administration

Office of NEPA Policy and Compliance

February 6, 2015
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Columbia Generating Station Seismic Bus Connections
CX(s) Applied: B2.5
Date: 02/06/2015
Location(s): Washington
Offices(s): Bonneville Power Administration

Bonneville Power Administration (BPA) is proposing to provide the necessary labor, material, and equipment to design, fabricate, and install 500-kV (kilovolt) Bus Connectors for Energy Northwest’s 500-kV transformer bank, at Energy Northwest’s expense. The existing transformer bank is located inside the yard at the Columbia Generating Station in Benton County, Washington. The purpose of the installation is to bring the transformer’s existing bus connection up to BPA’s current standard of seismic flexible connections.

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