To improve reliability and facilitate maintenance access, Bonneville Power Administration (BPA) proposes several improvements at the Silver Creek …
Office of NEPA Policy and Compliance
April 24, 2025
minute read time
To improve reliability and facilitate maintenance access, Bonneville Power Administration (BPA) proposes several improvements at the Silver Creek Substation, Chehalis Substation, Tacoma Power’s Mayfield Substation and along a portion of the Chehalis-Silver Creek No. 1 230kV transmission line.