CX-026146: Maple Valley Substation Grounding Upgrades

Bonneville Power Administration (BPA) proposes to fund electrical grounding installations along three parallel underground Seattle Public Utilities…

Office of NEPA Policy and Compliance

May 24, 2022
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Bonneville Power Administration (BPA) proposes to fund electrical grounding installations along three parallel underground Seattle Public Utilities (SPU) water pipelines and to remove a portion of the existing grounding system at BPA’s Maple Valley Substation near Renton, King County, Washington (Township 23 North, Range 5 East, Sections 20, 21, 27, and 28).