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.
Energy Future Holdings Corporation is an electric utility company headquartered in Energy Plaza in Downtown Dallas, Texas, United States. The majority of the company's power generation is through coal and nuclear power plants. From 1998 to 2007, the company was known as TXU Corporation until its $45 billion leveraged buyout by Kohlberg Kravis Roberts, TPG Capital and Goldman Sachs Capital Partners. That purchase was the largest leveraged buyout in history. As of 2019, TXU Energy is a subsidiary of publicly traded Vistra Energy.
Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time.
DCC plc is a leading Irish international sales, marketing and support services group operating in 22 countries. Headquartered in Dublin, the Group operates across three sectors: energy, healthcare and technology, employing over 16,000. DCC plc is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
Centrica plc is a British multinational energy and services company with its headquarters in Windsor, Berkshire. Its principal activity is the supply of electricity and gas to consumers in the United Kingdom and Ireland.
Direct Energy LP is a North American retailer of energy and energy services. The company was founded in Toronto in 1986 and now has more than four million customers in Canada and the United States. Direct Energy is a subsidiary of NRG Energy.
Phoenix Natural Gas is the largest gas distribution business in Northern Ireland, being the owner and operator of the licence for the distribution network in the Greater Belfast area. The distribution business is responsible for the development of the pipeline network and also for providing a 24/7 operational and transportation service platform to suppliers under the rules of the company's network code. The ongoing investment within the Phoenix Natural Gas licence area does not attract any grant or support from local or UK government. The investment is a standalone private venture.
National Grid plc is a British multinational electricity and gas utility company headquartered in London, England. Its principal activities are in the United Kingdom, where it owns and operates electricity and natural gas transmission networks, and in the Northeastern United States, where as well as operating transmission networks, the company produces and supplies electricity and gas, providing both to customers in New York and Massachusetts.
Public electricity suppliers (PES) were the fourteen electricity companies created in Great Britain when the electricity market in the United Kingdom was privatised following the Electricity Act 1989. The Utilities Act 2000 subsequently split these companies between distribution network operators and separate supply companies.
Vector Limited is a New Zealand energy company, which runs a portfolio of businesses delivering energy and communication services across Australasia and the Pacific. Its primary business is electricity distribution, along with distributing piped gas. It also has a bottled gas business, owns a fibre optic cable network, deploys electricity and gas meters, manages solar infrastructure projects and offers cybersecurity services and a data platform. It is also the parent company of HRV ventilation solutions.
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.
E.ON UK is a British energy company and one of the largest suppliers of energy in the UK, following its acquisition of Npower. It is a subsidiary of E.ON of Germany and one of the Big Six energy suppliers. It was founded in 1989 as Powergen, and was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index. It has been a subsidiary of E.ON since 1 July 2002.
Eastern Electricity plc was an electricity supply and distribution utility serving Eastern England, including East Anglia and part of Greater London. It was renamed Eastern Group under which name it was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index until it was acquired by Hanson plc in 1995, before being purchased by Texas Utilities in 1998.
Npower Limited is a British supplier of gas and electricity to businesses. It has been a subsidiary of E.ON UK since January 2019. The company was formerly known as Innogy plc and was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index.
Essent N.V. is a Dutch energy company based in 's-Hertogenbosch, Netherlands. It is a subsidiary of E.ON. It is a public limited liability corporation. Essent is the largest energy company in the country. Belgium is their second home market. Essent provides customers with gas, electricity, heat and energy services. Essent has over 90 years of experience with generating, trading, transmitting and supplying electricity.
Telecom Plus plc is a British multi-utility supplier of gas, electricity, home insurance, and landline, broadband and mobile services to residences and businesses. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
SSE plc is a multinational energy company headquartered in Perth, Scotland. It is listed on the London Stock Exchange, and is a constituent of the FTSE 100 Index. SSE operates in the United Kingdom and Ireland.
The California Energy Commission, formally the Energy Resources Conservation and Development Commission, is the primary energy policy and planning agency for California.
Engie SA is a French multinational utility company, with its headquarters in La Défense, Courbevoie, which operates in the fields of electricity generation and distribution, natural gas, nuclear, renewable energy and petroleum. It is active in both upstream and downstream activities.
Home energy upgrades from public utilities are added home energy efficiency and renewable energy features planned or installed by public utilities. Help from a public utility can make it easier for a homeowner to select, install or operate climate-friendly components. The utility might assist with coordinated use of utility-supplied energy, building features, financing, operating options and neighborhood supplied energy.
