Project quick facts

345 kV line – 128 miles
161 kV line – 28 miles
Targeted in-service – 2016
Fact sheet
Communications and public outreach
CapX2020 Pays Environmental Impact Fee in Wisconsin


CapX2020 Hampton-Rochester-La Crosse 345 kV project

The Hampton-Rochester-La Crosse transmission line will improve reliability for the Twin Cities, Rochester and La Crosse areas, including rural electric cooperative customers in Goodhue, Olmsted and Wabasha Counties of Minnesota and Buffalo, Trempealeau and La Crosse Counties in Wisconsin. 

345 kV poles are typically between 140 and 170 tall and will be between 700 and 1,000 feet apart. Typically, a 150-foot right-of-way will be required. The project is expected to be finished in 2016.

Project maps

Minnesota route maps        Wisconsin route maps

Construction status

Transmission lines

  • North Rochester to Northern Hills 161 kV: complete (Energized May 15, 2014)
  • North Rochester to Mississippi River 345 kV: complete (Restoration in progress)
  • Mississippi River to Briggs Road 345 kV:
    • Trempealeau County construction: In progress. June 30 estimated completion
    • Buffalo County construction: Installation complete. Removal of old line and clean up in progress
    • La Crosse County construction: In progress September 2015 estimated completion
  • Mississippi River Crossing: construction complete
  • Hampton to North Rochester 345 kV:
    • Right-of-way acquisition, surveys and engineering in progress
    • Construction: tree clearing and foundation construction in progress.
  • Chester 161 kV:
    • Foundation construction complete. Pole and wire construction September-December 2015


  • Hampton: completed May 2014
  • North Rochester: completed May 2014
  • Northern Hills: completed October 2013
  • Chester: under construction
  • Briggs Road: complete
  • North La Crosse: complete

Permitting history

See permitting history here