Your source of information about ATC’S ELECTRIC TRANSMISSION projects to strengthen and improve the reliability of the electric transmission system. ATC owns, operates, builds and maintains the high-voltage electric transmission system serving portions of Wisconsin, Michigan, Minnesota and Illinois.
Helping to keep the lights on, businesses running and communities strong.™
ATC plans to improve transmission system serving Sparta, Tomah and the surrounding communities. Read more...
Vegetation Management
Public safety and electric reliability are two key drivers for managing the growth of trees and other vegetation around our 9,400 miles of transmission lines.
ATC plans to build a 150-mile, 345-kilovolt transmission line from the La Crosse area to the greater Madison area. The new line provides multiple benefits: improved electric system reliability, economic savings for utilities and energy consumers, and access to additional renewable energy.Learn more
Wisconsin State Journal editorial supports Badger Coulee lineRead the article
The Wisconsin DNR Green Tier program recognizes businesses and organizations such as ATC that demonstrate superior environmental performance and continual improvement.