American Transmission Co.

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ATC 10-Year Plan calls for continued transmission investment

Oct. 4, 2016

From: Jackie Olson


$3.6 billion to $4.4 billion in new projects, maintenance needed to maintain reliability

PEWAUKEE, Wis. – American Transmission Co. has published its 2016 10-Year Assessment, calling for new construction and maintenance projects totaling $3.6 billion to $4.4 billion through 2025.

“We see a continuing, albeit slower, need to expand the regional electric grid, as well as to efficiently maintain and upgrade older assets,” said Ron Snead, ATC vice president of system planning. “We also anticipate continued challenges in the next 10 years as generation sources change due to the Clean Power Plan.”

The cost includes:

  • $1.3 billion in network projects — new lines or rebuilds that address specific reliability needs,
  • $0.5 billion in Multi-Value Projects — projects approved by MISO in which the benefits exceed the cost,
  • $1.4 billion in asset maintenance – lines and other facilities/equipment in need of repair or improvement based on condition and performance, and
  • $0.4 to $1.2 billion in other capital improvements.

More information is available at


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American Transmission Co. is a Wisconsin-based company that owns and operates the electric transmission system in portions of the Upper Midwest. Formed in 2001 as the nation’s first multi-state transmission-only utility, ATC has invested $3.8 billion to improve the adequacy and reliability of its infrastructure. ATC now has $4 billion in assets, including more than 9,540 miles of transmission lines and 548 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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