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.

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ATC announces pre-construction open house for Rockdale-West MIddleton Transmission Line Project

Construction work begins on Christiana and Pleasant Springs portions of transmission line in August

MADISON, Wis. – American Transmission Co. is continuing a multi-year public outreach process for the Rockdale-West Middleton transmission line project with the first in a series of pre-construction open houses on Monday, Aug. 8 in Cambridge. Construction of the 32-mile, 345-kilovolt electric transmission line project will begin from east to west in mid-August and has a planned in-service date of 2013.

“Landowners who may be affected by construction and members of the public are welcome to attend this pre-construction open house,” said Sarah Justus, ATC local relations manager. “These open houses provide an opportunity for people to learn what to expect in terms of equipment, timing, vegetation management and appearance of facilities,” said Justus.

The public is invited to attend the Aug. 8 pre-construction open house from 4-7 p.m. at the Town of Christiana Town Hall, 773 Koshkonong Road, Cambridge.

ATC first identified the need for the project in 2002. In 2003, the project need was independently reviewed by the Energy Initiative, a group of Wisconsin utilities, public advocacy organizations, environmental groups and local stakeholders. The group evaluated the need for new electric transmission lines and the feasibility of alternatives in meeting Dane County’s
present and future electric needs.

After more than five years of public involvement and regulatory review, ATC received approval to construct the $219 million project from the Public Service Commission of Wisconsin in June 2009. ATC will build the new line through Dane County between the towns of Christiana and Middleton along a route that generally follows the Beltline and existing rights-of-way.

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ATC is a Wisconsin-based company that moves energy along the regional electric grid in parts of Wisconsin, Michigan, Minnesota and Illinois, serving more than 5 million electric consumers. We are experts at what we do: planning, maintaining, operating and protecting the grid. As the electric industry moves toward renewable generation sources, we are transforming our system to continue delivering energy reliably and safely. We proudly support STEM education programs that empower youth with the skills needed to succeed in tomorrow’s energy workforce. For more information, visit and follow us on LinkedIn and X (Twitter).