American Transmission Co.

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Blog

Why do power lines sag on hot days?

In hot weather, power lines can overheat just as people and animals do. The lines are often heavily loaded because of increased power consumption, and the conductors, which are generally made of copper or aluminum, expand when heated. That expansion increases the slack between transmission line structures, causing them to sag. Transmission lines are designed […]

ATC Interns dig in for Day of Action to support United Way

Interns from American Transmission Co. joined 700 others for an Intern Day of Action to benefit the United Way of Greater Milwaukee & Waukesha County. Forty ATC interns volunteered to help with garden maintenance, picking and planting at Green Power Garden. The garden primarily provides fresh vegetables and fruit to guests of the Hope Center, […]

ATC, MJ Electric collaborate on donation to Heritage Hill State Park

Old Glory is flying proudly over the refurbished Fort Howard area of Heritage Hill State Park in Green Bay this summer, thanks in part to the efforts of American Transmission Co. and our construction partner, M.J. Electric. Earlier this year, park managers asked if we could provide a transmission structure from one of our construction […]

PowerForward: A changing utility landscape

ATC was created to resolve a number of electric reliability problems caused, in part, by the operation of a balkanized transmission system. In 2001, when we combined the transmission assets of our owners, the local distribution companies, we began to link the assets together to create a much larger, more robust interconnected system. While many […]

American Transmission Co. announces three promotions

McNamara, Dolan and Winters assume new roles PEWAUKEE, Wis. – John McNamara, Andy Dolan and Jared Winters have been promoted to senior positions within American Transmission Co. McNamara is now vice president of asset management, responsible for transmission asset performance, maintenance and design. McNamara has been with ATC since its inception, when he began serving […]