Segment B - Populus to Terminal

Project Overview

Populus to Terminal transmission line construction

Extending from southeast Idaho into northern Utah, the Populus to Terminal transmission line adds a new double-circuit, 345,000-volt transmission line stretching approximately 135 miles from the new Populus substation near Downey, Idaho, to the existing Terminal substation near the Salt Lake City airport.

Project Timeline

  • Project initiation – October 2007
  • Completion of Populus - Terminal project – November 2010


(Updated August 2017)