MEMBERS: American Transmission Company

American Transmission Company LLC, headquartered in Pewaukee, Wisconsin, is the country’s first multi-state, transmission-only company. ATC, with $1.3 billion in assets, owns, operates, plans, monitors and maintains approxiamtely 8,900 miles of transmission lines and 460 substations throughout portions of Wisconsin, Michigan’s Upper Peninsula and Illinois.

ATC has two system control centers, one at the Pewaukee corporate headquarters and one in Cottage Grove, Wisconsin. The company, of more than 400 employees, also has offices in DePere, Madison and Wausau, Wisconsin, Kingsford, Michigan and Washington, DC.

ATC provides non-discriminatory service to all customers, supporting effective competition in energy markets without favoring any market participant. Regulated by the Federal Energy Regulatory Commission for all rate terms and conditions of service, ATC is a member of the Midwest ISO regional transmission organization.

Media Contacts:
General inquiries may be directed to:
Ph: 262.506.6700

Media inquiries may be directed to:
Randy Satterfield
Director of Corporate Communications
Ph: 608.877.3646
rsatterfield@atcllc.com