Bonneville Power Administration (BPA) proposes to replace aging substation equipment and to reconfigure and expand the substation yard at BPA's Map…
Office of NEPA Policy and Compliance
October 6, 2025
minute read time
Bonneville Power Administration (BPA) proposes to replace aging substation equipment and to reconfigure and expand the substation yard at BPA's Maple Valley Substation on BPA fee-owned property in King County, Washington.