It's Electric: ATC Line Activated

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MTT News Desk's picture

American Transmission Co. has energized the completed 32-mile, 345-kilovolt Rockdale-West Middleton Transmission Line.

The project was first introduced to the public in 2004, kicking off with a comprehensive outreach effort which included 22 public meetings attended by 3,300 people over three years. More than 2,600 written comments were submitted by stakeholders and included in the company’s application to the Public Service Commission of Wisconsin.

In 2009, after nearly two years of regulatory review, the PSC ordered a portion of the line to be built along the Beltline Highway.

Brian Fischer, Rockdale-West Middleton project manager, pointed to the company’s coordinated performance on multiple fronts during the past four years of planning, design and construction as evidence of the project’s success. “Our project team’s practice of collaboration and taking into account all factors—rather than considering each area or stage separately—resulted in unique solutions that saved time, money and minimized environmental impacts,” said Fischer.

“We received outstanding support from local officials, and state regulators worked with us in a cooperative manner to ensure that their concerns were addressed effectively," he continued. "Madison Gas & Electric and Alliant Energy also gave us excellent support in coordinating and scheduling the electric system outages that were needed during construction.”

The line can carry 1,267 megawatts of electricity, enough to power 239,000 homes.

“I extend my sincere thanks to those involved with the project,” said Fischer. “We had many partners in this project, and all of them deserve credit for our success.” In addition to Madison Gas & Electric and Alliant Energy, several contractors worked on the project, including:

Additional information, including final route map and a video of work in the Yahara Wetlands, is available at

ATC is a Wisconsin-based company that owns, operates, builds and maintains the high-voltage electric transmission system serving portions of the Upper Midwest. Formed in 2001 as the nation’s first multi-state transmission-only utility, ATC has invested $2.7 billion to improve the adequacy and reliability of its infrastructure. ATC now is a $3.1 billion company with 9,440 miles of transmission lines and 525 substations. The company is a member of the MISO regional transmission organization, and provides nondiscriminatory service to all customers, supporting effective competition in energy markets without favoring any market participant. For more information, visit our website at


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