OGE Energy Corp

ONE Gas, Inc., along with its affiliated companies, functions as a regulated natural gas utility across the United States. Its operations are structured into three distinct divisions: Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service. These divisions collectively deliver natural gas distribution services to approximately 2.2 million customers spanning three states. Its diverse clientele includes residential households, commercial enterprises, and transportation sector users. Pertaining to its infrastructure, as of December 31, 2021, the company maintained an extensive network comprising roughly 41,600 miles of distribution mains and 2,400 miles of transmission pipelines. Furthermore, it possessed a substantial natural gas storage capacity of 51.4 billion cubic feet. Established in 1906, ONE Gas, Inc. maintains its corporate headquarters in Tulsa, Oklahoma.

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.

Public Service Enterprise Group Incorporated (PSEG) functions as an energy utility, predominantly operating across the Northeastern and Mid-Atlantic regions of the United States. Its operations are structured into two core divisions: PSE&G and PSEG Power. The PSE&G segment is tasked with electricity transmission, as well as the distribution of both electricity and natural gas to residential, commercial, and industrial clientele. This division also allocates resources to solar power generation projects and offers energy efficiency initiatives and related programs, alongside providing appliance servicing and repair. As of December 31, 2021, its substantial infrastructure encompassed 25,000 circuit miles for electric transmission and distribution, supported by 862,000 poles. The electrical network further included 56 switching stations with a collective capacity of 39,353 megavolt-amperes (MVA), and 235 substations providing 9,285 MVA of capacity. For managing electric distribution, it operated four main and five sub-headquarters. On the gas front, PSEG maintained 18,000 miles of gas mains, utilizing twelve main and two sub-headquarters for distribution, one meter shop, and 58 natural gas metering and regulating stations. PSEG was established in 1985 and maintains its corporate headquarters in Newark, New Jersey.

Evergy, Inc., along with its subsidiaries, operates as an integrated electric utility, focusing on the production, conveyance, distribution, and direct sale of power throughout Kansas and Missouri in the United States. The company's electricity generation relies on a diverse energy mix, utilizing sources such as coal, hydroelectric, landfill gas, uranium, natural gas, and oil, alongside a growing portfolio of renewables like solar and wind energy. Supporting its operations, Evergy maintains a robust infrastructure, which includes roughly 10,100 circuit miles of high-voltage transmission lines, about 39,800 circuit miles of overhead distribution lines, and an additional 13,000 circuit miles of underground distribution networks. It provides service to a substantial customer base of approximately 1,620,400, encompassing residential consumers, commercial enterprises, industrial facilities, municipal entities, and fellow electric utilities. Evergy, Inc. was founded in 2017 and has its main corporate headquarters situated in Kansas City, Missouri.

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.

CenterPoint Energy0HVF · EnergyHouston, United States

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CenterPoint Energy, Inc. functions as a leading public utility holding company within the United States, conducting its diverse business through two main operational areas: Electric and Natural Gas. The Electric division handles the transmission, distribution, and generation of electricity, in addition to managing assets within the wholesale power market. Its Natural Gas division provides essential natural gas distribution services and, specifically in Minnesota, offers home appliance maintenance and repair. This segment also extends home repair protection plans to natural gas customers in Arkansas, Indiana, Mississippi, Ohio, Oklahoma, Texas, and Louisiana, via a third-party partner. Furthermore, it engages in the regulated intrastate sale, transportation, and storage of natural gas for residential, commercial, industrial, and transportation clients. By the end of 2021, CenterPoint Energy catered to approximately 2.7 million metered customers. Its extensive infrastructure included 239 substation sites with a combined transformer capacity of 71,241 megavolt amperes, nearly 100,000 linear miles of natural gas distribution and transmission mains, and 285 miles of intrastate pipeline across Louisiana, Texas, and Oklahoma. The company was founded in 1866 and maintains its headquarters in Houston, Texas.