American Transmission Company - Electric Transmission Projects

Your source of information about
ATC’S ELECTRIC TRANSMISSION projects
to strengthen and improve the reliability of the electric transmission system. ATC owns, operates, builds and maintains the high-voltage electric transmission system serving portions of Wisconsin, Michigan, Minnesota and Illinois.

Helping to keep the lights on, businesses running and communities strong.™

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Badger Coulee Transmission Line Project Preliminary routes announced

ATC plans to build a 150- to 170-mile, 345-kilovolt transmission line from north of the La Crosse area to northern Dane County. Learn more...

Western Milwaukee County Electric Reliability Project

We Energies and American Transmission Co. are proposing an electric system reinforcement project that involves the construction of a new We Energies substation adjacent to the existing Milwaukee County Substation at 93rd Street and Watertown Plank Road, and construction of two separate 138,000-volt transmission lines to connect the substation to the transmission system that serves area. Learn more...

Annual helicopter patrols

Helicopter crews patrol ATC electric transmission lines to look for damage, right-of-way encroachments and vegetation issues. Read more...

Renewable energy

Power lines bring renewables into communities.

Bay Lake project will address reliability issues, generation changes

American Transmission Co. is proposing to reinforce the electrical transmission grid in the Upper Peninsula of Michigan and northeastern Wisconsin to address generation changes, changes in demand, the evolution of a wholesale electricity market and emerging reliability concerns.

Although ATC has made reinforcements in the region in the past six years, the transmission upgrades have not kept pace with the changing needs. Reduced output from generating units at power plants in the region has placed increasing importance on transmission. Learn more...

We are a Green Tier company

The Wisconsin DNR Green Tier program recognizes businesses and organizations such as ATC that demonstrate superior environmental performance and continual improvement.