Visit the Mines & Plants page for an interactive map.
Lignite is coal. Formed over millions of years by decomposing plant material, it’s abundant, low-cost, reliable and environmentally sustainable.
1016 E. Owens Avenue PO Box 2277 Bismarck, ND 58502 Phone: (701) 258-7117 Toll Free: 1-800-932-7117 Fax: (701) 258-2755
CEI (Colstrip Electric, Inc.) started in maintenance at the mines and coal fired plants in the Colstrip, MT area in 1985 and have grown into one of the largest electrical contractors in the region.