Summary
MDU Resources Group Inc. is a natural gas utility with smaller electric utility operations.
The company was founded in in 1924 as a small utility until it branched out into the construction industry. It spun off two construction service companies in 2023 and 2024. Through its four regulated utilities it provides generation, transmission, and distribution of electricity to 145,000 customers and gas to about 1 million customers. Utility service regions spread across eight states-WY, SD, MN, ND, ID, MT, WA, and OR. Through its energy company, WBI, it transports gas and controls 3,800 miles of pipeline in the Northern Plains and maintains one of the largest underground storage fields in North America. Compared to peers, the company has relatively modest generating capacity of about 700 MW. Its current generation fuel mix,
