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.

What's Current | American Transmission Co. projects

Badger Hollow Network Upgrades project in service, connecting solar capacity to the grid

In late December 2021, ATC completed construction of our Badger Hollow Network Upgrades project in Iowa County, Wis. This high-voltage electric interconnection project provides a pathway of power from the 300-megawatt Badger Hollow Solar Park to our region’s electric grid.   The Badger Hollow Solar Park is a facility jointly owned by We Energies, Wisconsin […]

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 […]

Transmission project interconnecting 300-megawatt solar facility earns regulatory approval from PSCW

As ATC integrates more renewable energy generation within our service area, the electric transmission system continues to provide a vital connection between renewable energy producers and electric consumers. We recently earned state regulatory approval from the Public Service Commission of Wisconsin to construct electric transmission facilities that will interconnect with Wisconsin’s largest renewable energy generation facility […]

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, […]

Staying safe while keeping the lights on

At American Transmission Co. we are powering through these trying times to help keep reliable electricity flowing to essential businesses, hospitals and homes. As an energy service provider in the Upper Midwest, we are committed to maintaining electric reliability – and we also are committed to keeping our employees, contractors and the public safe.   Recent executive orders in Wisconsin and Michigan include operation and maintenance of electric utilities as essential and critical infrastructure. So, if you see our crews working in your area, please keep a safe distance and know that […]