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Puget Sound Energy electric transmission project

Christopher to 51st transmission line


Fall 2011 project completion

  • Construction began June 22, 2011 and was completed on November 21, 2011

Project overview

Thumbnail: Transmission line map

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Project map

To increase reliability and meet current and future energy needs in Auburn, Puget Sound Energy installed a new two-mile 115 kilovolt transmission line between the Christopher substation and the existing transmission line on 51st Avenue South in Auburn. Christopher substation was also upgraded with an additional breaker to accommodate the new line.

What is a transmission line?

Transmission lines are key elements in the electrical distribution system. The lines safely transport high voltage electricity from power generation sources like dams and wind generating facilities to substations in local communities. Transmission normally takes place at voltages of 55 kV and higher.

Committed to keeping you informed

PSE will continue to provide updates to the community. We will notify residents and businesses near the project area when construction will occur. We aim to complete the work with as little disruption as possible.

Download the information

Download these PDF files for more detail on PSE's Christopher to 51st 115kV electric transmission project.