List of present and past Network Service Providers regulated by the AER. The list also includes gas and electricity assets in the Australian Energy sector. Assets may be covered by a form of regulation or unregulated. Title Type Region SA Power Networks - electricity distribution network Asset South Australia SA Power Networks Service provider South Australia Powerlink - electricity transmission network Asset Queensland Powerlink Service provider Queensland Murraylink - electricity transmission interconnector Asset Victoria, South Australia, Interconnector Murraylink Service provider Victoria, South Australia, Interconnector Ergon Energy - electricity distribution network Asset Queensland Ergon Energy Service provider Queensland Energex - electricity distribution network Asset Queensland Energex Service provider Queensland ElectraNet - electricity transmission network Asset South Australia ElectraNet Service provider South Australia Directlink (Terranora) - electricity transmission interconnector Asset New South Wales, Queensland, Interconnector Directlink (Terranora) Service provider New South Wales, Queensland, Interconnector Related contentNetworks & pipelines