1100 West 116th Avenue
Westminster, CO 80234
www.tristategt.org
Main (303) 452-6111
Executive Fax (303) 254-6007
Company Info
Tri-State Generation and Transmission Association, Inc. provides electric power to 44 distribution cooperatives in Colorado, Nebraska, New Mexico and Wyoming, which serve over one million consumers.
The company owns 5,056 miles of transmission line. It has invested $1.4 billion to serve its members.

