Alliant Energy Corporation

MGE Energy, Inc. operates as a public utility holding company, primarily conducting its business in Wisconsin through various subsidiary entities. The company's operations are divided into several key segments: Regulated Electric Utility, Regulated Gas Utility, Nonregulated Energy, Transmission Investments, and an "All Other" category. Its core activities involve the generation, acquisition, and delivery of electricity, utilizing owned or leased power generation facilities situated in both Wisconsin and Iowa. Furthermore, MGE Energy undertakes the planning, construction, operation, maintenance, and expansion of transmission infrastructure to provide essential transmission services. The company's electricity generation portfolio includes coal-fired, gas-fired, and renewable energy sources, supplemented by power purchased under both short-term and long-term agreements. As of December 31, 2021, MGE Energy was supplying electricity to 159,000 customers in Dane County, Wisconsin, and distributing natural gas to 169,000 customers across seven Wisconsin counties. The company maintains its corporate headquarters in Madison, Wisconsin.

WEC Energy Group, Inc. is a major American energy provider that delivers both regulated natural gas and electricity services, along with regulated and non-regulated renewable energy solutions across the United States. The company's operations are structured into six key segments: Wisconsin, Illinois, Other States, Electric Transmission, Non-Utility Energy Infrastructure, and Corporate and Other. WEC Energy is involved in a comprehensive range of energy activities, encompassing the generation and distribution of electricity using a diverse mix of sources. These include traditional fuels like coal, natural gas, and oil, as well as sustainable options such as hydroelectric, wind, solar, and biomass. Additionally, the company manages electric transmission, provides retail natural gas distribution, handles natural gas transportation, and produces and sells steam. As of December 31, 2021, WEC Energy maintained an extensive infrastructure network. This included approximately 35,800 miles of overhead and 35,600 miles of underground electrical distribution lines, supported by 440 electric distribution substations and 510,500 line transformers. Its natural gas network comprised 50,900 miles of distribution mains, 1,200 miles of transmission mains, 2.3 million lateral service connections, and 500 distribution and transmission gate stations. Furthermore, the company controlled underground natural gas storage facilities with a substantial working capacity of 68.2 billion cubic feet. WEC Energy Group, Inc. was founded in 1981. It was previously known as Wisconsin Energy Corporation before officially changing its name in June 2015. The company's primary corporate offices are located in Milwaukee, Wisconsin.

UNION ELECTRIC COEnergySaint Louis, United States

69% match

Operating as Ameren Missouri, Union Electric Company provides regulated utility services across Missouri. Its primary activities encompass the generation, transmission, and distribution of electricity, utilizing a varied mix of energy sources including coal, nuclear power, natural gas, hydroelectricity, methane gas, and solar. Furthermore, the company is involved in the regulated supply of natural gas to customers. It supplies electrical power to 1.2 million households and businesses, and natural gas to 100,000 customers, all within a 24,000 square-mile region spanning central and eastern Missouri. Founded in 1881 and headquartered in St. Louis, Missouri, Union Electric Company operates as a subsidiary of Ameren Corporation.

Avista Corporation operates as an energy utility, conducting business through its various subsidiaries. Its operations are divided into two primary segments: Avista Utilities and AEL&P. The Avista Utilities division is responsible for electric distribution and transmission, as well as natural gas distribution services, across parts of eastern Washington and northern Idaho. It also delivers natural gas services to areas of northeastern and southwestern Oregon. Additionally, this segment generates electricity in Washington, Idaho, Oregon, and Montana, and engages in the wholesale buying and selling of electricity and natural gas. The AEL&P segment, conversely, supplies electrical services to approximately 17,400 customers located in the city and borough of Juneau, Alaska. The company generates its electricity from hydroelectric, thermal, and wind power sources. As of February 23, 2022, Avista was serving 406,000 electric customers and 372,000 natural gas customers. Beyond its core utility business, the company also makes investments in venture funds, real estate, and other diverse ventures. Avista Corporation was established in 1889 and is headquartered in Spokane, Washington.

Black Hills Corporation operates as an American utility firm, delivering both electric power and natural gas through its subsidiaries. Its business is organized into two primary divisions: Electric Utilities and Gas Utilities. The Electric Utilities segment is responsible for generating, transmitting, and distributing electricity to approximately 218,000 customers spanning Colorado, Montana, South Dakota, and Wyoming. This division manages 1,481.5 megawatts of power generation capacity and maintains 8,892 miles of electric transmission and distribution lines. Electric power generation is diversified, utilizing wind, natural gas, and coal-fired plants, and the company also operates a coal mine near Gillette, Wyoming. Conversely, the Gas Utilities segment provides natural gas to roughly 1,094,000 utility clients across Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming. This operation includes overseeing 4,732 miles of intrastate gas transmission pipelines, 41,644 miles of gas distribution mains and service lines, six natural gas storage facilities, around 50,000 horsepower of compression, and 515 miles of gathering lines. Beyond these core utility offerings, Black Hills Corporation also constructs and maintains gas infrastructure for various gas transportation customers. It provides appliance repair services for residential utility subscribers and offers electrical system construction to large industrial clients. Founded in 1941, the company's headquarters are situated in Rapid City, South Dakota.

WISCONSIN ELECTRIC POWER COEnergyMilwaukee, United States

68% match

Wisconsin Electric Power Co. serves as a utility provider, delivering electricity, natural gas, and steam heating services. This company, which commenced operations in 1896, maintains its principal corporate office in Milwaukee, Wisconsin.