MDU vs SR Comparison

MDU Resources Group Inc is a pure-play regulated energy delivery business. It is organized into three reportable business segments: Electric, Natural Gas Distribution, and Pipeline. Maximum revenue is generated from the Pipeline segment, which provides natural gas transportation and underground storage services through a FERC-regulated pipeline system mainly in the Rocky Mountain and northern Great Plains regions of the United States. This segment also provides non-regulated energy-related services, including cathodic protection. The electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming, and the natural gas distribution segment distributes natural gas in those states, as well as in Idaho, Minnesota, Oregon, and Washington.

Spire Inc. is the holding company for Spire Missouri, Spire Alabama, other gas utilities, and gas-related businesses, focused on growing organically, investing in infrastructure, and advancing through innovation. Its three segments are Gas Utility, Gas Marketing, and Midstream. The Gas Utility segment is the core business and includes Spire Missouri, Spire Alabama, and Spire EnergySouth. The Gas Marketing segment includes Spire Marketing, which provides non-regulated natural gas services across the U.S. The Midstream segment includes Spire Storage, Spire STL Pipeline, and Spire MoGas Pipeline. The majority of revenue comes from Gas Utility.