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Overview

As part of our commitment to providing reliable electric service in the communities we serve, we are preparing to replace conductor wire on existing electric transmission structures that have been in service for over four decades.

During construction, wire pulling across roads will require temporary lane closures and short traffic stoppages for the safety of the public and our crews.

Purpose

Electric transmission planning engineers conduct studies to evaluate scenarios where the loss of electric transmission assets would result in an overload on the grid.

This project proactively addresses the issues identified in these studies to maintain federal reliability standards and strengthen grid resiliency.

Transmission Corridor Conditions

  • 4.6 miles
  • Width is primarily 300 feet, but sections range from 185-320 feet.
  • 2-4 circuits run through the corridor, depending on location.
  • Two 230 kV circuits on double-circuit monopoles. These structures hold the circuit that will be replaced.
  • One 500 kV circuit on H-frame structures. Another 230 kV circuit shares these structures for a short length in the northern section of the project.

Timeline

  • July 2020 – Project announcement sent to landowners along the project corridor
  • Q3 2020–Q2 2021 – Project planning and permitting activities
  • May 2021 – Hold virtual preconstruction meeting with community
  • July 2021 – Begin access installation and forestry work
  • October-December 2021 – Replace existing conductor wire
  • Spring 2022 – Complete right of way restoration
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