The Chief Joseph to Monroe 500 kV project is a 120-mi, 500 kV transmission line from the Army Corps of Engineers’ Chief Joseph dam in Bridgeport, Wash., to the town of Monroe in western Washington. As per the Bonneville Power Administration, the project’s sponsor, it is “associated with load service”, meaning it is needed for reliability purposes.
|Project Sponsor||Line Miles||Voltage (kV)||From State||To State||Year in Service|
|Bonneville Power Administration||120||500||WA||WA||2024|
|Estimated Costs ($M)||Voltage Type||Project Status||Project Group||Origin Point||Destination Point|
|384||Planned||Chief Joseph Dam||Monroe|
|Interstate||Build Start||NERC||ISO/RTO||Country||Project Partners|