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LIST OF TRANSMISSION PROJECTS  
 

ATC plans to invest $2.8 billion over 10 years in construction and maintenance projects in our operating areas. The partial list below summarizes some of the largest projects.

Project Description Status
Canal-Dunn Road Proposed upgrade of 69-kilovolt transmission line running through Door County. Public outreach underway. Application to PSC Fall 2009.
Clear Lake-Woodmin Seven-mile extension of the transmission system from Clear Lake Substation in Woodruff, Wis., to a new substation, to be built by Wisconsin Public Service Corp., off Highway 47 near west of Woodruff. Public outreach underway.
Conover-Plains New 138-kilovolt transmission line between the Conover Substation and the Plains Substation in Quinnisec, Mich.    Construction underway.
Crivitz-High Falls 15-mile, 69-kilovolt transmission line between the Crivitz Substation and High Falls Substation in the towns of Beaver and Stephenson. Placed in service February 2009.
Cypress Substation New substation in Fond du Lac County to provide transmission for We Energies' Blue Sky/Green Field wind farm. Complete
Dane County A series of projects planned in and around Dane County to meet electrical demand in the rapidly growing areas throughout the county. See project page for more specific information about the status of various projects.
Fairwater Plan for approximately 3.5 miles of new 69-kilovolt power line to connect to a new Alliant Energy substation in the Village of Fairwater. Plans underway.
Fitchburg-Verona Proposal for a 6-mile, 138-kilovolt transmission line connecting a new substation in Fitchburg to an existing substation in Verona. Substation construction underway.
Jefferson County Proposal to construct approximately 17 miles of new, 138-kilovolt transmission line and to upgrade several area electric substations. Construction underway. Completion expected December 2009.
Laurium Rebuild Rebuild of 13.8 miles in Houghton County, Michigan. Complete
Mill Road-Rockdale Proposed line upgrades with some new line construction between Menomonee Falls and Jefferson County. Project evaluation resulted in seven-year delay to 2018.
North Lake Substation New substation located in Michigan's Upper Peninsula. Construction underway; scheduled completion May 2009.
North Madison-Waunakee (Huiskamp) A new 8-mile, 138-kilovolt line from the Town of Vienna to the Town of Westport. Construction underway; in service spring 2009.
Oak Creek/Elm Road Several upgrades are needed to support the output of the proposed Elm Road (Oak Creek) Power Plant. This includes some pole and wire replacement and work at several area substations. Work beginning at substations and isolated areas of the system.
Paddock-Rockdale Proposal to add a second 345-kilovolt line along an existing transmission line corridor between the town of Beloit and the town of Christiana. Construction underway; in service spring 2010.
Rockdale-West Middleton Proposal to build a new 345-kilovolt transmission line between the town of Christiana and the town of Middleton. Hearings expected early 2009.
Rock River-Elkhorn This four-phase project is the conversion of a 17-mile, 69-kilovolt system serving portions of Rock and Walworth counties to a 138-kilovolt system. Several segments now energized.
Sauk City Proposal to build 3 miles of new 69-kilovolt transmission line from the Tower Street Substation in Prairie du Sac to the new Sauk City Phillips Street Substation. Engineering underway.
Sun Valley Three miles of new transmission line to connect to a new Alliant Energy substation (Sun Valley) in the Town of Oregon. Construction ongoing.
Warrens Plan to build approximately 7 miles of new 69-kilovolt power line to connect to a new Alliant Energy substation in Warrens. Plans underway.