Helena-Scott Transmission Line Rebuild Project

Xcel Energy is rebuilding a transmission line in Scott and Carver Counties to increase capacity to enable more renewable energy to enter the electric grid.

We are rebuilding a 17-mile 345-kilovolt transmission line between the Scott County Substation east of Chaska to the Helena Substation west of New Prague (view map) that was built in 1970.

The new line will remain the same voltage but will carry a higher capacity conductor increasing electric power flow and enabling additional renewable energy onto the electric grid.

Steel h-frame structures will replace the existing lattice and wood h-frames. Most structures will be directly embedded, and some will sit on concrete foundations.
The new line will be built in the existing right-of-way adjacent to the existing transmission line. Upon completion, the existing line will be removed.

Midcontinent Independent System Operator (MISO) studies determined the rebuild of the transmission line was needed to accommodate delivery of electricity from four new wind farms that are currently being built in the region, including Xcel Energy’s Blazing Star 2 Wind Project, as well as the Nobles 2 Power Partners, Walleye Wind, and Invenergy Wind Development project (MidAmerican Energy Company).

Schedule (subject to change)

  • Spring/Summer 2020 – Survey, stake structure locations, vegetation management
  • Fall 2020 – Concrete foundation installation
  • March 2020 – Transmission line installation
  • December 2021 – In-service

We appreciate your patience during construction. Please check back for updates as construction begins. We will reach out to you prior to work beginning on your property.

Xcel Energy is taking precautions to stay safe and healthy during the COVID-19 pandemic. To allow crews to do their work, and for everyone’s safety, Xcel Energy is requesting that members of the public not approach them in the field. This helps maintain social distance in accordance with various health and safety guidelines.

Contact Us

Sean Lawler
Land Rights Agent