Upper Missouri G. & T. Electric Cooperative, Inc., doing business as Upper Missouri Power Cooperative, was organized in 1957 and incorporated in 1958 to serve transmission needs of rural electric cooperatives in eastern Montana and western North Dakota. Today, Upper Missouri supplies wholesale electricity to 11 distribution cooperatives: six in eastern Montana and five in western North Dakota. The 11 Member Systems serve 82,246 meters to farms, ranches, homes, and businesses in 37 counties, covering 54,762 square miles.
Upper Missouri sources power from two major suppliers: Western Area Power Administration (WAPA) and Basin Electric Power Cooperative. In 2024, energy purchased from WAPA represented 2.25% of total sales and Basin was 97.75%, respectively.
Upper Missouri administers the transmission delivery metering services for most of its service area. There are currently 243 delivery points used in the billing of its members. Upper Missouri also uses these delivery meters to provide high accuracy real-time data to Basin.
Upper Missouri is rate-regulated by the Federal Energy Regulatory Commission (FERC) and continues to have high-volume sales growth due to the oil and gas development in the Bakken region, as well as growth in technology, with a peak load of 2,030 MW. Energy sales in 2024 totaled 15,196,960 MWh. Sales in 2024 were 9.41% above 2023 sales and growth is projected to continue over the next decade.