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Company type | Public |
---|---|
Industry | |
Founded | 1924Minneapolis, Minnesota, U.S. | in
Founders | |
Headquarters | , U.S. |
Area served | Most of United States |
Key people |
|
Revenue | US$ 4.657 billion (2023) [1] |
US$ 426.0 million (2023) [1] | |
US$ 414.7 million (2023) [1] | |
Total assets | US$ 7.833 billion (2023) [1] |
Total equity | US$ 2.905 billion (2023) [1] |
Number of employees | 9,145 [1] (2023) |
Subsidiaries | |
Website | mdu |
MDU Resources Group, Inc. is a U.S.-based corporation supplying products and services to regulated energy delivery and utilities related construction materials and services businesses. [2] It is headquartered in Bismarck, North Dakota, and operates in 48 states.
MDU Resources got its start in 1924 as the Minnesota Northern Power Company. Its founder, Rolland Heskett, had previously been involved with utilities in Wisconsin and northeast Minnesota (the forerunners of Wisconsin Public Service Corporation and Minnesota Power (& Light Co.), respectively). The firm's holdings initially consisted of the electric utility at Cushing, Oklahoma (later sold off to Oklahoma Gas & Electric), Minnesota Electric Light & Power Company, which served the Bemidji, Minnesota area (sold in 1925 to the W.B. Foshay interests — this property today comprises Otter Tail Power's Bemidji division), the Eastern Montana Light & Power Company, centered around Sidney and Glendive, Montana, and the Eastern Montana Utilities Co., which was based in Fairview, Montana. The two 'Eastern Montana' utilities became the nucleus of Montana-Dakota Utilities' operations.
Initially, Minnesota Northern was only in the business of selling electric power, but entered the natural gas business following its discovery of oil in 1936 in the Williston Basin in Eastern Montana. As it expanded across Eastern Montana and western North Dakota, it acquired the electric franchise for Miles City, Montana, after an acquisition struggle with the Montana Power Company. [3]
Shortly after passage of the Public Utility Holding Company Act of 1935 (PUHCA), Heskett reorganized all the gas and electric subsidiaries of Minnesota Northern Power under a new name — Montana-Dakota Utilities.
Unlike its neighboring utilities, MDU was generally not in the business of reselling energy at wholesale to other companies, with the exception of five Eastern Montana towns then served by the Mountain States Power Company. The distribution systems in these towns passed into MDU ownership by the early 1940s.
The company's common stock began trading on the New York Stock Exchange under the ticker symbol MDU in 1948. By the 1960s it was decided that the company's headquarters should be located within its service territory, in Bismarck, the largest town on the system, and the relocation was completed in 1968.
In 1985, the corporation realigned its operations under the name MDU Resources Group, Inc. In 1992, it acquired its first aggregates-mining company in central California, and has continued to expand its construction materials business . Knife River Corporation is now among the largest sand and gravel producing companies in the U.S. In 2001, Knife River sold its remaining coal-mining interests.
In 1997, MDU Resources started its utility services division, which over the years has expanded its construction services offerings and become the MDU Construction Services Group segment.
In 2024, MDU Resources rebranded its construction services business, MDU Construction Services Group, Inc., to Everus Construction Group, Inc. in preparation for a planned tax-free spinoff of the business. [4]
The largest addition of electric utility territory came in 1945, when MDU purchased the Dakota Public Service Company (DPSC) from NorthWestern Public Service Company (NWPS) of Huron, South Dakota. DPSC served a total of 91 towns in west-central North Dakota originally served by the Hughes Electric Company/North Dakota Power & Light Company (NDP&L) and south-central North Dakota/north-central South Dakota originally served by the Northern Power & Light Company (NP&L). When MDU examined DPSC's books after the purchase, they spent the next six years in litigation with NWPS over allegations of improper internal charges between NWPS, NP&L, and NDP&L. Both companies eventually realized the lawsuit was unproductive and they ceased litigation. [3]
After the end of the lawsuit, MDU refocused on the growing demand for electricity and gas within its newly expanded territory and the necessary system improvements. In the late 1960s, MDU partnered with NWPS and Otter Tail Power in the construction of the Big Stone power plant near Big Stone City, South Dakota. The companies have since partnered on two base-load power plants (Big Stone and Coyote).
The Oregon Public Utility Commission faulted MDU subsidiary [5] [6] Loy Clark for the 2016 Portland gas explosion that leveled a building, sent asbestos fragments flying, damaged numerous buildings and injured eight people. [7] The damages totaled $17.2 million. The PUC faulted Loy Clark and listed the cause of the accident as Loy Clark's failure to give sufficient notifications to regulators about excavation plans. [8] Additionally, OSHA cited and fined Loy Clark for safety violations as a result of this incident. [9] Ten lawsuits were filed against Loy Clark in November 2018, two of which were by insurers who had paid out claims. [9] Two additional lawsuits were filed against Loy Clark in December 2019. [10]
Cascade Natural Gas Corporation, serving parts of Oregon and Washington, was acquired by MDU Resources in 2006. [11] [12] Intermountain Gas Company, serving parts of Idaho, was acquired by MDU Resources in 2008. [13] In 2023 MDU spun off Knife River Corporation, which provides construction materials and contracting services, including aggregate, asphalt, building materials, cement, construction services, liquid asphalt, and ready-mix concrete in 17 states, into a separate publicly traded company. [14]
Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving more than 3.7 million electric customers and 2.1 million natural gas customers across parts of eight states. It consists of four operating subsidiaries: Northern States Power-Minnesota, Northern States Power-Wisconsin, Public Service Company of Colorado, and Southwestern Public Service Co.
Northern States Power Company (NYSE: NSP) was a publicly traded S&P 500 electric and natural gas utility holding company based in Minneapolis, Minnesota, that is now a subsidiary of Xcel Energy.
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Aquila, Inc. was an electricity and natural gas distribution network headquartered in Kansas City, Missouri in the United States. The company also owned and operated power generation assets. It previously operated under the name UtiliCorp United, Inc. The company at one time ranked #33 on the Fortune 500 list.
Basin Electric Power Cooperative is a wholesale electric generation and transmission cooperative based in North Dakota that provides electricity to 3 million customers in nine U.S. states. The roots of the cooperative go back to 1960 when Leland Olds and ten power suppliers created Giant Power Cooperative. Giant Power was first going to be a generation and transmission cooperative, but to keep electricity cheaper for rural customers, Basin Electric Power Cooperative was started in 1961. Today, Basin Electric's power sources include coal, natural gas, hydroelectric, wind, waste heat, and nuclear.
Integrys Energy Group, Inc. was an American energy company headquartered in Chicago, Illinois. It was formed by the merger of WPS Resources Corp. and Peoples Energy Corp. on February 21, 2007. The chairman, President, and chief executive officer was Charles A. Schrock. On June 23, 2014, Integrys announced that it was being acquired by Wisconsin Energy Corporation for $9.1 billion. Also in 2014, Integrys entered into an agreement to sell 100% of the Upper Peninsula Power Company (UPPCO) to Balfour Beatty Infrastructure Partners LP for $298.9 million.
SCANA Corporation was an American regulated electric and natural gas public utility. The company was based in Cayce, South Carolina, a suburb of Columbia, South Carolina. Following the Nukegate scandal, the company's stock fell and the company was in disrepair. In January 2019, SCANA was acquired by Dominion Energy. The corporate name SCANA was not an acronym, but was taken from the letters in South Carolina.
WEC Energy Group is an American company based in Milwaukee, Wisconsin that provides electricity and natural gas to 4.4 million customers across four states.
Southwest Power Pool (SPP) manages the electric grid and wholesale power market for the central United States. As a regional transmission organization, the nonprofit corporation is mandated by the Federal Energy Regulatory Commission to ensure reliable supplies of power, adequate transmission infrastructure and competitive wholesale electricity prices. Southwest Power Pool and its member companies coordinate the flow of electricity across approximately 60,000 miles of high-voltage transmission lines spanning 14 states. The company is headquartered in Little Rock, Arkansas.
Otter Tail Corporation is an electric power and manufacturing company based in Fergus Falls, Minnesota. Its subsidiaries include Otter Tail Power Company,BTD Manufacturing Inc.,T.O. Plastics Inc.,Northern Pipe Products Inc., and Vinyltech Corporation.
Dominion Energy, Inc., commonly referred to as Dominion, is an American energy company headquartered in Richmond, Virginia that supplies electricity in parts of Virginia, North Carolina, and South Carolina and supplies natural gas to parts of Utah, Idaho and Wyoming, West Virginia, Ohio, Pennsylvania, North Carolina, South Carolina, and Georgia. Dominion also has generation facilities in Indiana, Illinois, Connecticut, and Rhode Island.
Evergy, Inc. is an American investor-owned utility (IOU) with publicly traded stock with headquarters in Topeka, Kansas, and in Kansas City, Missouri. The company was formed from a merger of Westar Energy of Topeka and Great Plains Energy of Kansas City, parent company of Kansas City Power & Light. Evergy is the largest electric company in Kansas, serving more than 1.7 million residential, commercial and industrial customers in Kansas and Missouri. Its more than 40 power plants have generating capacity of 16,000 megawatt electricity in Kansas and Missouri. Service territory covers 28,130 square miles (72,900 km2) in east Kansas and west Missouri. It owns more than 10,100 miles (16,300 km) of transmission lines and about 52,000 miles (84,000 km) of distribution lines.
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A large natural gas explosion occurred in the Northwest District of Portland, Oregon, USA, at NW 23rd Avenue and NW Glisan Street on October 19, 2016. Nearby excavation caused a natural gas leak that triggered the explosion, which injured eight people and caused $17.2 million in property damages. The PUC determined the cause to be inadequate notification by the contractor, Loy Clark Pipeline. Thirteen buildings were damaged, including total destruction of the Alfred C.F. Burkhardt House, built in 1906 and listed on the NRHP.
The Electric Bond and Share Company (Ebasco) was a United States electric utility holding company organized by General Electric. It was forced to divest its holding companies and reorganize due to the passage of the Public Utility Holding Company Act of 1935. Following the passage of the Act, the U.S. Securities and Exchange Commission (SEC) selected the largest of the U.S. holding companies, Ebasco to be the test case of the law before the U.S. Supreme Court. The court case known as Securities and Exchange Commission v. Electric Bond and Share company was settled in favor of the SEC on March 28, 1938. It took twenty-five years of legal action by the SEC to break up Ebasco and the other major U.S. electric holding companies until they conformed with the 1935 act. It was allowed to retain control of its foreign electric power holding company known as the American & Foreign Power Company (A&FP). After its reorganization, it became an investment company, but soon turned into a major designer and engineer of both fossil fuel and nuclear power electric generation facilities. Its involvement in the 1983 financial collapse of the Washington Public Power Supply System's five nuclear reactors led to Ebasco's demise because of the suspension of nuclear power orders and lawsuits that included numerous asbestos claims. The U.S. nuclear industry stopped all construction of new facilities following the 1979 nuclear meltdown at Three Mile Island, going into decline because of radiation safety concerns and major construction cost overruns.
MDU Resources Group, Inc., the publicly held company in North Dakota that owns Loy Clark