Categorical Exclusion Determination
Office of NEPA Policy and Compliance
March 14, 2017
Estimated Read Time min
Bonneville Power Administration is planning to upgrade its double circuit Snohomish-Boeing Number 9 line from 155-kilovolt to 230-kilovolt in response to Snohomish Public Utility District’s plans to increase capacity at its Beverly Park Substation in Snohomish County, Washington. Bonneville Power Administration’s double circuit Snohomish-Boeing Number 9 line was originally constructed at 230-kilovolt specifications, CX: But is currently operating at 115-kilovolt. To upgrade to 230-kilovolt, CX: Bonneville Power Administration plans to re-terminate the existing line from Bonneville Power Administration’s Snohomish Substation 115-kilovolt bay to a new 230-kilovolt bay.