Transmission, Fiber, and Relay Upgrades at Cowlitz, Longview Annex, and Cardwell Substations
CX(s) Applied: B4.6
Location(s): Longview, Washington
Office(s): Bonneville Power Administration
Cowlitz County Public Utilities District (CCPUD) is in the process of upgrading their 69 kilovolt (kV) system to 115-kV, and has requested that Bonneville Power Administration (BPA) upgrade transmission, fiber, and relay infrastructure within BPA?s Cowlitz, Longview Annex, and Cardwell substations.