American Transmission Co. projects

Project website for a Wisconsin-based company that owns and operates the high-voltage electric transmission system that powers communities in portions of the Upper Midwest.

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Mill Road – Granville Project

Overall Project Description  ATC plans to build a new substation in the village of Menomonee Falls, construct a new power line from Menomonee Falls to Wauwatosa, and rebuild and upgrade several existing lines in portions of Milwaukee, Washington and Waukesha counties.   The key elements of the project include:   Building a new substation on property ATC […]

Northern Adams County Area Network Improvement Project

Project overview  Colburn Substation – Proposed by Adams-Columbia Electric Cooperative as a separate project, this new substation will serve area load growth and electric reliability.  New ATC Facilities – ATC will build and install facilities to interconnect the new, proposed ACEC Colburn Substation to the regional electric grid to improve the networking and reliability of […]

Racine County Western Feed Project

Overall Project Description  ATC plans to build new power lines in Racine County. The project includes:  Two new double-circuit 345,000-volt power lines would extend from the Electronics and Information Technology Manufacturing (EITM) zone in the village of Mount Pleasant to existing power lines about three miles west of Interstates 41 and 94 in the village […]

Silver Maple Solar Interconnection Facilities Project

Project overview  ATC is building interconnection facilities and performing network updates to connect the new Silver Maple Solar generating facility to the electric grid. The approximately 200-megawatt solar facility will be constructed in the towns of Eldorado and Rosendale in Fond du Lac County, and the town of Nekimi in Winnebago County.  This ATC project […]

Plymouth Reliability Project

Overall Project Description Plymouth 5 Substation – Proposed by Plymouth Utilities as a separate project, this new substation will serve area electric reliability and load needs   ATC Power Line – A new, approximately 7 to 8-mile double-circuit 138,000-volt power line to connect the Plymouth 5 Substation to an existing ATC 138-kV line  Overall Project Need  […]

Lake Country Trail – Oconomowoc

Due to the restoration efforts and replacement of the poles and wires, portions of the Lake Country Trail from E. Jefferson Street to Valley Road in Oconomowoc will remain closed throughout the fall and winter. Your patience during ATC’s transmission line rebuild project is appreciated. We know the duration of the trail closing can be a disappointment to […]

Cooney-Summit 138-kV Rebuild Project

Project overview The Cooney-Summit 138-kV Rebuild Project will replace switches at the Cooney Substation and rebuild the Cooney-Summit transmission line to replace aging equipment that is approaching the end of its lifespan. This line also requires additional capacity to support new solar generation planned in the region. Rebuild projects help meet current and future electricity […]

Darien and Paris Solar Network Upgrade Project

Project overview American Transmission Co. is upgrading its transmission line infrastructure to support the Darien Solar Energy Center in Rock and Walworth counties and the Paris Solar-Battery Park in Kenosha County. The electric modifications include: Equipment upgrades to and expansion of the existing Paris Substation property owned by We Energies in the town of Paris Modifications of existing transmission […]

Howards Grove-Erdman Project

Project overview ATC constructed a new 6.6-mile 138,000-volt high-voltage transmission line to ensure electric reliability in Sheboygan County and the surrounding area. The electric modifications for the project included: Constructing a new 6.6-mile single circuit 138-kV line from the Howards Grove Substation near the village of Howards Grove to the Erdman Substation in the city […]

Barneveld Military Ridge Interconnection Project

Project overview ATC has received state regulatory approval to construct a new 69,000-volt electric transmission line along U.S. Highway 18/151 from the Hooterville Substation, just west of the village of Barneveld, Wis. to County Trunk Highway JG, south of the village of Mount Horeb. This portion of the proposed line would share the right-of-way and transmission structures with the forthcoming Cardinal-Hickory Creek Transmission Line Project. No new right-of-way is anticipated. As […]