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.

News Releases | American Transmission Co. projects

ATC completes electric cable replacement in Straits of Mackinac

New solid-core cables operational, electric reliability reinforced and some mitigation work forthcoming PEWAUKEE, Wis. – American Transmission Co. has completed the process of removing six submarine electric transmission cables and installing two new submarine cables on the lakebed of the Straits of Mackinac. Cable removal began in fall 2020, and the approximate seven-month process to […]

Construction advances for Cardinal-Hickory Creek project despite legal challenges 

New mat roads, foundations in place for forthcoming poles On any given day in western Dane County, passersby can see hundreds of timber mats neatly stacked in five locations next to roads and ATC’s rights-of-way. Machinery, including forwarders and pulp trucks, continually deplete the stacks and transport them to create temporary roads that also protect […]

Construction complete for Port Washington-Saukville Rebuild Project

Transmission modifications strengthen regional electric reliability, operating flexibility   PEWAUKEE, Wis. – ATC has completed construction of the Port Washington-Saukville Rebuild Project. This project included a 4.8-mile, 138,000-volt transmission line rebuild, along with modifications at the Port Washington Substation in Port Washington, Wis., and Saukville Substation in Saukville, Wis. Initially identified in ATC’s 10-Year Assessment […]

Construction initiates in Wisconsin for Cardinal-Hickory Creek Transmission Line Project

  Initial activities will include vegetation removal in Dane County PEWAUKEE, Wis. – American Transmission Co., ITC Midwest and Dairyland Power Cooperative, the co-owners of the Cardinal-Hickory Creek Transmission Line Project, will begin construction in Wisconsin this week of the 102-mile, 345,000-volt electric transmission line. Construction of the project in Iowa began in April 2021. […]

Cardinal-Hickory Creek co-owners file joint statement to PSCW to rescind and reopen project’s CPCN

JOINT STATEMENT Utilities file request with Public Service Commission of Wisconsin to rescind and reopen Certificate of Public Convenience and Necessity for Cardinal-Hickory Creek Transmission Line Project ATC and ITC Midwest on June 28 filed a request with the Public Service Commission of Wisconsin (PSCW) asking the PSCW to rescind and reopen the Certificate of […]

American Transmission Co. to replace electric cables in Straits of Mackinac

PEWAUKEE, Wis. – American Transmission Co. this week will continue removing six submarine electric transmission cables and begin installing new submarine cables on the lakebed of the Straits of Mackinac. The approximate 7-month process is a significant step in ATC’s Straits Cable Replacement Project. In April 2018, ATC’s two transmission circuits were damaged when a […]

American Transmission Co. updates 10-Year Transmission System Assessment

Connecting to sustainable energy resources is increasing need for new, updated transmission infrastructure PEWAUKEE, Wis. – American Transmission Co.’s 10-year plan to address the need for electric grid improvements highlights projects that are driven by sustainable energy generation proposals along with ongoing asset maintenance for achieving the highest standards in reliability, efficiency and safety. “Our […]

American Transmission Co. begins electric cable removal in Straits of Mackinac for upcoming replacement project

Two de-energized submarine cables will be removed PEWAUKEE, Wis. — American Transmission Co. will begin removing two of six submarine electric transmission cables from the lakebed of the Straits of Mackinac starting Aug. 24. The approximate 30-day process is a significant step in ATC’s Straits Cable Replacement Project, which will restore electric system reliability to […]

Sturgeon Bay roads closed for transmission line construction

PEWAUKEE, Wis. – Beginning the week of Aug.10, 2020, some Sturgeon Bay roads and parking lots will be closed to allow for installation of new transmission line cables beneath the Sturgeon Bay Ship Channel. Second Avenue between Nebraska and Oregon Streets (northeast of Graham park) will be closed beginning the week of Aug. 10, 2020, […]

American Transmission Co. energizes Spring Valley-North Lake Geneva Electric Reliability Project

Project addresses electric system needs, supports the community and environment PEWAUKEE, Wis. – The Spring Valley-North Lake Geneva Electric Reliability Project, which electrically connects Kenosha County with the Lake Geneva area, is energized and now part of an integrated electric system serving customers in the region. This 23-mile, 138,000-volt transmission line was approved by the […]