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.
Transend Networks Pty Ltd was a Tasmanian government-owned business which operated between 1998 and 2014 as the electricity transmission network provider for Tasmania, Australia. It was formed by the disaggregation of the Hydro-Electric Commission, and ceased operation when it was merged on 1 July 2014 with the distribution division of Aurora Energy to form the combined network business TasNetworks.
EnergyAustralia was a state–owned enterprise of the Government of New South Wales, Australia. It was electricity and gas supplier and retailer which primarily supplied the Sydney, Newcastle and Central Coast areas of New South Wales. Since market deregulation, it increased its focus on retail supply opportunities in electricity and gas to the Victorian market and electricity in the deregulated south–east corner of Queensland.
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.
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.
ActewAGL is an Australian multi-utility joint venture company that provides utility services in the Australian Capital Territory (ACT) and south-east New South Wales. The company was formed in October 2000 between the Australian Gas Light Company and ACTEW Corporation.
The State Electricity Commission of Victoria is a government-owned renewable electricity investment enterprise in Victoria, Australia. Originally a major energy supplier in the state, the SEC was privatised in the 1990s before being revived in 2023 to invest in renewable energy and storage.
Power Assets Holdings Limited, formerly Hongkong Electric Holdings Limited, is a vertically integrated electric utility company. It is the majority shareholder in the Hongkong Electric Company, having reduced its holding in the company through a series of share sales, the most recent being in June 2015.
Energex is an Australian-based wholly Queensland Government owned electricity company distributing power to 1.5 million homes and businesses in South East Queensland. The boundaries of the company’s distribution area stretch from Coolangatta in the south to Gympie in the north and as far west as the foothills of the Toowoomba range.
Ergon Energy Network is a subsidiary company of Energy Queensland Limited (EQL) a Government owned corporation owned by the Government of Queensland. It distributes electricity to around 763,000 customers across Queensland, excluding South East Queensland through a distribution network regulated by the Australian Energy Regulator (AER) who set the prices that Ergon is allowed to charge for distribution.
Alinta was an Australian energy infrastructure company. It has grown from a small, Western Australia-based gas distributor and retailer to the largest energy infrastructure company in Australia. It was bought in 2007 by a consortium including Singapore Power and various parties which include the now defunct Babcock & Brown funds.
Powerco is the largest dual-energy distribution company in New Zealand by length, and is one of only two dual-energy distributors in the country.
Singapore Power Limited, doing business as SP Group is a state-owned electricity and gas distribution company in Singapore. SP Group is the corporatised entity of the former electricity and gas departments of the Public Utilities Board (PUB). SP Group was first incorporated as a commercial entity on 1 October 1995 as Singapore Power and Gas to take over the electricity and gas businesses of the state provider, PUB.
The Electricity Commission of New South Wales, sometimes called Elcom, was a statutory authority responsible for electricity generation and its bulk transmission throughout New South Wales, Australia. The commission was established on 22 May 1950 by the Electricity Commission Act 1950 to take control of power generation in the State. The commission acquired the power stations and main transmission lines of the four major supply authorities: Southern Electricity Supply, Sydney County Council, the Department of Railways and the Electric Light and Power Supply Corporation Ltd, also known as the Balmain Electric Light Company, the owner and operator of Balmain Power Station. The commission was responsible for the centralised co-ordination of electricity generation and transmission in the State, and some local councils continued to be distributors of electricity only.
Transgrid is the manager and operator of the high voltage electricity transmission network in New South Wales and the Australian Capital Territory, Australia, and is part of the National Electricity Market (NEM). The company's offices are located in Sydney, Newcastle, Orange, Tamworth, Wagga, and Yass.
AusNet Services is an Australian energy delivery services business, owning and operating more than $11 billion of electricity and gas network assets. It is a privately held, and was formerly listed on the Australian Securities Exchange (ASX) and the Singapore Exchange (SGX). AusNet is currently owned by Australian Energy Holdings No 4 Pty Limited, a company controlled by Brookfield Asset Management. The co-investors include pension funds in Australia and Canada.
SGSP (Australia) Assets Pty Ltd (SGSPAA), trading as Jemena, is an Australian company that owns, manages or operates energy infrastructure assets in the eastern states of Australia including Queensland and New South Wales, and gas pipelines and gas and electricity distribution networks in Victoria and the Northern Territory. It is 60% owned by State Grid Corporation of China and 40% by Singapore Power.
Powerlink Queensland is an electricity transmission system operator owned by the Government of Queensland which operates the high-voltage electricity transmission infrastructure in Queensland.
The Commission for Regulation of Utilities, formerly known as the Commission for Energy Regulation, is the Republic of Ireland's energy and water economic utility regulator.
United Energy is a Victorian energy network which distributes electricity across east and south-east Melbourne and the Mornington Peninsula to more than 640,000 customers, 90% of which are residential. Its network includes 209,000 poles and over 13,000 kilometres of wires. Electricity is received via 78 sub-transmission lines at 46 zone stations, where it is transformed from sub-transmission voltages to distribution voltages.
