A public utility company is an organization that maintains the infrastructure for a public service. Public utilities are subject to forms of public control and regulation ranging from local community-based groups to statewide government monopolies.
Eversource Energy is a publicly traded, Fortune 500 energy company headquartered in Hartford, Connecticut, and Boston, Massachusetts, with several regulated subsidiaries offering retail electricity, natural gas service and water service to approximately 4 million customers in Connecticut, Massachusetts, and New Hampshire.
The Public Service Enterprise Group, Inc. (PSEG) is a publicly traded diversified energy company headquartered in Newark, New Jersey, US established in 1985 with a legacy dating back to 1903.
Exelon Corporation is a public utility headquartered in Chicago, Illinois, and incorporated in Pennsylvania. Exelon is the largest electric parent company in the United States by revenue and is the largest regulated electric utility in the United States with approximately 10 million customers. The company is ranked 99th on the Fortune 500.
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.
The Illinois Terminal Railroad Company, known as the Illinois Traction System until 1937, was a heavy duty interurban electric railroad with extensive passenger and freight business in central and southern Illinois from 1896 to 1956. When Depression era Illinois Traction was in financial distress and had to reorganize, the Illinois Terminal name was adopted to reflect the line's primary money making role as a freight interchange link to major steam railroads at its terminal ends, Peoria, Danville, and St. Louis. Interurban passenger service slowly was reduced, ending in 1956. Freight operation continued but was hobbled by tight street running in some towns requiring very sharp radius turns. In 1956, ITC was absorbed by a consortium of connecting railroads.
DTE Energy is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services in the United States and Canada. Its operating units include an electric utility serving 2.2 million customers and a natural gas utility serving 1.3 million customers in Michigan.
Delmarva Power is an energy company that provides electricity and natural gas to customers on portions of the Delmarva Peninsula in the states of Delaware and Maryland. The company is a subsidiary of Exelon.
Ameren Corporation is an American power company created December 31, 1997, by the merger of St. Louis, Missouri's Union Electric Company and the neighboring Central Illinois Public Service Company of Springfield, Illinois. It is now a holding company for several power companies and energy companies. The company is based in St. Louis, serving 2.4 million electric, and 900,000 natural gas customers across 64,000 square miles in central and eastern Missouri and the southern four-fifths of Illinois by area.
Tucson Electric Power (TEP) is an electric utility company serving southern Arizona in the United States. It is a subsidiary of Fortis, which announced its acquisition of parent company UNS Energy in 2013.
Enmax Corporation is a vertically integrated utility with operations across Alberta, Canada, and in Maine, U.S. Through its subsidiaries, ENMAX Power Corporation and Versant Power, ENMAX owns and operates transmission and distribution utilities that deliver electricity to customers in Calgary, Alberta, and northern and eastern Maine. Through ENMAX Energy Corporation, ENMAX owns and operates power generation facilities and offers electricity and natural gas products and services to residential, commercial and industrial customers across Alberta.
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.
The Florida Public Service Commission (FPSC) regulates investor-owned electric, natural gas, and water and wastewater utilities. The FPSC facilitates competitive markets in the telecommunications industry, has authority over intercarrier disputes, and oversees pay telephones, the federal Lifeline Assistance Program and Telecommunications Relay Service.
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.
Laclede Gas Company is the largest natural gas distribution utility in Missouri, serving about 632,000 residential, commercial and industrial customers in the city of St. Louis and ten counties in eastern Missouri. As an adjunct to its gas distribution business, the company operates an underground natural gas storage field, a propane storage cavern, and propane vaporization facilities.
Cedar Falls Utilities (CFU) is a municipally-owned public utility serving Cedar Falls, Iowa and is a member of the Iowa Association of Municipal Utilities (IAMU). CFU provides municipal water service, electricity generation and distribution, natural gas service, and combined cable television, Internet access, and phone service to its customers. CFU serves approximately 19,000 Cedar Falls residents and businesses with over 14,900 broadband customers.
The Bus is a service provided by the transit division of the City Utilities of Springfield, who also provide paratransit under the name Access Express.
Algonquin Power & Utilities Corp. is a Canadian renewable energy and regulated utility conglomerate with assets across North America. Algonquin actively invests in hydroelectric, wind and solar power facilities, and utility businesses, through its three operating subsidiaries: Bermuda Electric Light Company, Liberty Power and Liberty Utilities.
The Indiana Utility Regulatory Commission (IURC) is the public utilities commission of the state of Indiana, led by five commissioners appointed by the governor.
The Empire District Electric Company is an investor-owned utility providing electric, natural gas, and water service with approximately 215,000 customers in Missouri, Kansas, Oklahoma, and Arkansas. A subsidiary of the company also provides fiber optic services.
