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 |
| Arrowhead-Weston |
345-kilovolt line between Wausau, Wis. and Duluth, Minn. (approximately 220 miles) to improve reliability. |
Complete and inservice Feb. 2008. |
| Canal-Dunn Road |
Proposed upgrade of 69-kilovolt transmission line running through Door County. |
Project scope still being evaluated. |
| Conover-Plains |
New 138-kilovolt transmission line between the Conover Substation and the Plains Substation in Quinnisec, Mich. |
Construction expected to begin in Feb. 2008. |
| Cranberry-Conover |
New, 138-kilovolt transmission line between the Cranberry Substation south of Eagle River and then Conover Substation east of Conover. View map |
Construction underway. Estimated in-service June 2008. |
| Crivitz-High Falls |
15-mile, 69-kilovolt transmission line between the Crivitz Substation and High Falls Substation in the towns of Beaver and Stephenson. |
Construction to begin July 2008. |
| Cypress Substation |
New substation in Fond du Lac County to provide transmission for We Energies' Blue Sky/Green Field wind farm. |
Under construction. |
| 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. |
| Dodge County |
Six miles of new 138-kilovolt transmission line to connect the Rubicon Substation near Neosho to the Hustisford Substation |
Under construction. |
| Ellinwood-Sunset |
Structure replacement along Hwy. 41 between the Ellinwood and Sunset Substations in the Town and City of Oshkosh. |
Complete and in service. |
| 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. |
Approved by PSC Jan. 2008. |
| Gardner Park-Central Wisconsin |
Approximately 50-mile, 345-kilovolt line between a new Gardner Park Substation near the Weston Power Plant and a new substation in central Shawano County. Also see Morgan-Werner West project. |
Approximately 50 percent complete. |
| Jefferson County |
Proposal to construct approximately 17 miles of new, 138-kilovolt transmission line and to upgrade several area electric substations. |
PSC approved. Construction scheduled to begin in 2008. |
| Laurium Rebuild |
Rebuild of 13.8 miles in Houghton County, Michigan. |
Under construction. |
| 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. |
| Morgan-Werner West |
New 50-mile transmission line from the Morgan Substation south of Oconto Falls to a new substation - called Werner West - in the New London area. |
Approximately 50 percent complete. |
| Nelson-Dewey |
A new 161-kilovolt line, approximately 2 miles in length, from the Nelson Dewey plant to the Stoneman Substation to support additional output from a new generating unit at the Nelson Dewey plant. |
Public outreach underway. |
| North Appleton-White Clay |
Increase line clearance on 29.8 miles of structures. |
Complete and in service. |
| North Appleton-Lost Dauphin |
Replacement of structures on 138-kilovolt line between North Appleton and Mason Street Substations, and replacement of structures on 138-kilovolt between North Appleton and Lost Dauphin Substations. |
Complete and in service. |
| 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. |
Approved by the PSC in July 2007; construction to begin in summer 2008. |
| 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. |
Under regulatory review. |
| Plymouth-Johnsonville |
With Plymouth Utilities, build a new substation and a 2.25 mile, 138-kilovolt line to serve Johnsonville Sausage plant expansion. |
Construction complete 2007. |
| Rockdale-West Middleton |
Proposal to build a new 345-kilovolt transmission line between the town of Christiana and the town of Middleton. |
Under regulatory review. |
| 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. |
Regulatory approval granted for the final phase, which involves some line construction, upgrades at several substations, and the conversion from 69-kV to 138-kV in the spring of 2009. |
| 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. |
| Saukville-St. Lawrence |
Rebuild 19 miles of 138-kilovolt transmission line from the Saukville Substation to the St. Lawrence Substation in Washington County. |
West segment complete; construction underway on east. |
| Sun Valley |
Three miles of new transmission line to connect to a new Alliant Energy substation (Sun Valley) in the Town of Oregon. |
Currently obtaining permits and starting engineering. |
| 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. |
Arrowhead-Weston