Rockdale to West Middleton Project

The Rockdale to West Middleton Project is a 345-kV line from near Christiana, across Dane County and ending in West Middleton near Madison, Wis. Construction of the project began fall 2011 and was completed February, 2013. The project came in under budget at $152m, down from original cost estimates of $219m. The project was put into service in order to meet the growing demand in the Dane County region.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
American Transmission Company 32 345 WI WI 2013
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
152 Operating Rockdale Albion Cardinal West Middleton
Interstate Build Start NERC ISO/RTO Country Project Partners
2011 MRO MISO US