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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New transmission line placed in service in Door County

Canal-Dunn Road project boosts area reliability

DE PERE, Wis. – A new 7.7-mile transmission line between the Canal Substation in Sturgeon Bay, Wis., and the Dunn Road Substation in the Town of Sevastopol has been placed in service ahead of schedule and under budget.

“This transmission line resolves a number of issues in the peninsula,” said David Hovde, ATC local relations consultant. “The system was frequently overloaded, causing low voltages that put reliable service to customers in jeopardy. While some short-term solutions had been applied previously, the new line resolves those problems for the longer term.”

The project, which was approved by the Public Service Commission of Wisconsin in August 2010, came in about $1 million under budget and was placed in service nearly three months ahead of schedule. Final cost of the project is estimated to be $15.8 million.

ATC’s 10-Year Transmission System Assessment calls for an extension of the line from Dunn Road to Egg Harbor as a provisional project for the future. Provisional, or placeholder, projects are those for which studies are not yet complete and may not necessarily represent a preferred alternative.

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Formed in 2001 as the nation’s first multi-state transmission-only utility, American Transmission Co. is a Wisconsin-based company that owns and operates 10,081 miles of electric transmission lines and 582 substations in portions of Wisconsin, Michigan, Minnesota and Illinois. Our transmission network enables the movement of electricity produced from all forms of generation resources to areas where it is needed – helping to keep the lights on, businesses running and communities strong. Visit our website at

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