American Transmission Co.

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American Transmission Co. 10-Year Plan builds on past success

System build out slows while maintenance, repair ramp up

PEWAUKEE, Wis. – The next 10 years call for continued investment in the American Transmission Co. electric grid, assuring continued electric reliability and increased access to economic energy for its electric distribution utility customers.

The 2015 10-Year Transmission System Assessment calls for an investment of $3.7 billion to $4.5 billion in the grid that serves eastern Wisconsin, the Upper Peninsula of Michigan and portions of Illinois and Minnesota. ATC has identified the need for $1.4 billion in network projects, $0.5 billion in regional Multi-Value Projects identified by the Midcontinent Independent System Operator, $1.4 billion in asset maintenance and a range from $0.4 billion to $1.2 billion in other capital improvements.

The report, which is available online at www.atc10yearplan.com, notes that the investment made in transmission infrastructure to date has effectively and economically improved reliability while being responsive to the changing ways in which the grid is being used to realize opportunities provided by the marketplace. Reliability is best-in-class in several industry benchmarking studies of performance with other transmission operators.

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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 9,921 miles of electric transmission lines and 577 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 www.atcllc.com.

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