MADISON, WIS. — Construction work on a high-voltage transmission linking Iowa and Wisconsin has been completed and the line is fully operational, a group of utilities announced recently. American Transmission Company, Dairyland Power Cooperative and ITC Midwest began work on the 102-mile (164-kilometer) Cardinal-Hickory Creek line between Iowa’s Dubuque County and Wisconsin’s Dane County in … Continue reading Utilities complete transmission line linking Iowa and Wisconsin