Usage of Demand Response in Network Companies
There are five transmission network operators (called Transmission Network Service Providers – TNSPs) in the NEM, as shown in the following table:
Company | Description | Mentions |
AusNet Services![]() |
AusNet Services is a major energy network business that owns and operates key regulated electricity transmission and electricity and gas distribution assets located in Victoria, Australia. These assets include:
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ElectraNet![]() |
ElectraNet is the principal Transmission Network Service Provider (TNSP) in South Australia. ElectraNet own and operate over $2.5 billion of electricity transmission assets that transport electricity over long distances and to remote areas. A critical part of the electricity supply chain, ElectraNet’s transmission network delivers safe and reliable electricity supply. ElectraNet is a private unlisted company. | – |
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Powerlink is the transmission company responsible for bulk supply in Queensland – click through to see a description of Powerlink’s demand response activities. | – |
TasNetworks![]() |
TasNetworks is the integrated transmission and distribution entity for Tasmania – click through to see a description of TasNetworks’s demand response activities. | – |
TransGrid![]() |
TransGrid is the transmission company responsible for bulk supply in NSW – click through to see a description of TransGrid’s demand response activities. | – |
There are thirteen different distribution network operators (called Distribution Network Service Providers) in the NEM:
Company | Description | Mentions |
ActewAGL
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ActewAGL is a multi-utility company offering electricity, natural gas and telecommunication services in the ACT and South-east New South Wales. ActewAGL is a retail joint venture between AGL Energy and ACTEW Corportation and a distribution joint venture between Singapore Power and ACTEW Corporation. | – |
Ausgrid | Ausgrid (formerly Energy Australia) is a Distribution Network Service Provider whose shreholder is the New South Wales Government. The Ausgrid network provides pwoer to approximately 1.6 million homes and businesses across Sydney, the Hunter region and the Central Coast. | – |
AusNet Services
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AusNet Services is a major energy network business that owns and operates key regulated electricity transmission and electricity and gas distribution assets located in Victoria, Australia. These assets include:
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CitiPower
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CitiPower and Powercor offer electricity connection, small inverter connections, smart meters and network services. CitiPower and Powercor are owned by an executive management team divided between Cheung Kong Infrastructure, Power Assets Holdings and Spark Infrastructure. | – |
Endeavour Energy | Endeavour Energy is a state-owned electricity distribution company that operates the electrical distribution network for the Western Sydney and Illawarra region. | – |
Energex
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Energex is based in South East Queensland and provides distribution services to around 1.4 million homes and businesses across the region. While the electricity distribution network remains in public ownership, the Queensland Government sold the Energex retail business in 2007. | – |
Ergon Energy
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Ergon Energy distributes electricity to around 700,000 homes and businesses across South East Queensland. Ergon Energy is owned by the Queensland Government. | – |
Essential Energy
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Essential Energy is a state-owned company that delivers electricity network services to around 800,000 homes and businesses across regional, rural and remote communities throughout New South Wales and southern parts of Queensland. | – |
Jemena
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Jemena is an energy infrastructure company based in Melbourne, Australia. The company is jointly owned by the State Grid Corporation of China and Singapore Power. | – |
Powercor
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Powercor and CitiPower offer electricity connection, small inverter connections, smart meters and network services. Powercor and CitiPower are owned by an executive management team divided between Cheung Kong Infrastructure, Power Assets Holdings and Spark Infrastructure. | – |
SA Power Networks
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SA Power Networks (formerly ETSA Utilities) is the electricity distribution network operator for South Australia. SA Power Networks operates under a license granted by the Government of South Australia. | – |
TasNetworks
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TasNetworks is the integrated transmission and distribution entity for Tasmania. TasNetworks commenced operations in July 2014 after a merger between Aurora’s distribution network and Transcend’s network. | – |
United Energy
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United Energy and Multinet Gas provide an energy supply to businesses and homes across the eastern areas of Melbourne and the Mornington Peninsula. The DUET group owns 66% of United Energy while Singapore Power International owning the remaining shares. | – |