Big Eddy – Knight Line is a 500kV overhead line from Big Eddy, Oregon, US, to Knight, Washington, US.

Construction works on the Big Eddy – Knight Line started in 2011 and the project was commissioned in 2015.


The Big Eddy – Knight Line, which is an overhead line, is being operated by Bonneville Power Administration. The Big Eddy – Knight Line is a new line. The line carries alternating current (AC) through double circuit cable.

Big Eddy – Knight Line project development status

The development of the Big Eddy – Knight Line project was approved by Washington Energy Facility Site Evaluation Council in 2011 and the project works were completed in 2015.

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By GlobalData

About Bonneville Power Administration

Bonneville Power Administration (BPA) is a federal power marketing administration that markets and distributes electrical power. The administration markets wholesale electrical power from its federal hydro projects, non-federal nuclear plant and other non-federal hydroelectric power plants. Its projects include Big Eddy-Knight Transmission Project, Central Ferry-Lower Monumental, Keeler-Pennwalt Wood Pole Removal, I-5 Corridor Reinforcement and Spacer Damper Replacement Program.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.