Montana-Dakota Utilities Co. Email Format

UtilitiesNorth Dakota, United States201-500 Employees

Montana-Dakota Utilities Co. is a mid-sized regional energy utility based in Bismarck, North Dakota. Founded in 1924 at the Montana–North Dakota border to serve a handful of small farm communities, the company has grown into a broader utility and now operates as a subsidiary of MDU Resources Group, Inc. It provides retail natural gas and electric service across parts of Montana, North Dakota, South Dakota and Wyoming, with a service area spanning about 168,000 square miles and serving roughly 355,000 customers. As part of its parent organization, Montana-Dakota Utilities emphasizes its role in supporting community growth and reliable energy delivery. In 2022 it partnered with Otter Tail Power Co. to develop and co-own a roughly 95-mile, 345-kV transmission line from Jamestown to Ellendale, reflecting collaboration on regional transmission infrastructure.

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