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American Transmission Co. announces future investment

Planning assessment calls for $3.9 – $4.8 billion in investment through 2021

 PEWAUKEE, Wis. – American Transmission Co. has developed plans to ensure future regional electric system reliability and access to economic energy over the next decade in its recently released 10-Year Transmission System Assessment.

 “The industry and its stakeholders continue to make progress in planning for transmission solutions that address regional reliability and economic needs,” explained Ron Snead, ATC’s director of system planning. “Our 10-year forecast calls for improvements and maintenance to our network, as well as projects that will strengthen the regional grid.” 

 The bulk of the expenditures includes nearly $2 billion in improvements and additions to ATC’s electric system; $1.1 billion in maintenance; and $0.8 billion in regional projects, the costs of which will be shared across the Upper Midwest.

 MISO, the regional transmission planning authority, late last year approved its first portfolio of projects whose costs will be shared among a broad base of electricity customers. Three of these Multi-Value Projects fall within ATC’s service territory: the Badger Coulee project from the La Crosse area to Madison in Wisconsin; the Pleasant Prairie-Zion Energy Center project, a five-mile link between Kenosha County, Wis. and northern Illinois; and the Cardinal Bluffs project from Madison, Wis., to Dubuque County, Iowa.

 The 10-Year Assessment, available online at, also notes that new technologies will increasingly play a role in improving system operators’ ability to control the grid and integrate renewable resources. The summary report lists more than 70 projects across ATC’s service territory.

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Formed in 2001 as the nation’s first multistate transmission-only utility, American Transmission Co. is a Wisconsin-based company that owns and operates more than 10,000 miles of electric transmission lines and approximately 580 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. Visit our website at

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