CapX2020 Hampton-Rochester-La Crosse 345 kV project


Project quick facts

345 kV line – about 125 miles
161 kV line – 15-18 miles
Targeted in-service – 2013-2015
Fact sheet
Communications and public outreach
CapX2020 Pays Environmental Impact Fee in Wisconsin


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 2015.

Project maps

Minnesota route maps        Wisconsin route maps

Construction status

Transmission lines

  • North Rochester to Northern Hills 161 kV: complete
  • North Rochester to Mississippi River 345 kV:
    • Right-of-way acquisition complete
    • Wabasha County:  construction underway through February 2014
    • Goodhue and Olmsted Counties: construction February 2014 to August 2014
  • Mississippi River to Briggs Road 345 kV:
    • Right-of-way acquisition, surveys and engineering in progress
    • Trempealeau County construction:  Spring and summer 2014
    • Buffalo County construction:  September 2014 to May 2015
    • La Crosse County construction:  2015
  • Mississippi River Crossing:  construction August 2014 to February 2015
  • Hampton to North Rochester 345 kV: 
    • Preliminary right-of-way acquisition contacts have begun
    • Construction:  2015
  • Chester 161 kV:
    • Preliminary right-of-way acquisition contacts have begun
    • Construction: 2015


  • Hampton: under construction, completion May 2014
  • North Rochester: under construction, completion May 2014
  • Northern Hills: under construction, completion October 2013
  • Chester: in design
  • Briggs Road:  under construction, completion May 2015
  • North La Crosse: in design

Permitting history

See permitting history here