Bonneville Power Administration

Big Eddy – Knight, WA – OR

The Big Eddy – Knight transmission project for Bonneville Power Administration spanned 29 miles from The Dalles, Oregon, to Goldendale, Washington. The work included 10 miles of double-circuit 500kV/230kV, 4 miles of double-circuit 500kV/345kV, and 15 miles of single circuit 500kV transmission line. One of the project's biggest challenges included a 4,700-foot double-circuit span across the Columbia River.