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CX-008716: Categorical Exclusion Determination

Bonneville Power Administration (BPA) Tacoma Power Chehalis- Covington 230-Kilovolt (kV) Line/Convert Microwave Signals From Analog To Digital
CX(s) Applied: B1.7
Date: 05/21/2012
Location(s): Washington, Washington, Washington
Offices(s): Bonneville Power Administration

The Bonneville Power Administration (BPA) and Tacoma Power (TPWR) have developed a joint plan to convert the microwave transfer trip signals on BPA’s Chehalis-Covington 230 kilovolt (kV) line, which includes the 230-kV tap line to TPWR’s Cowlitz Substation, from analog to digital.