On 18 October 2019, AusNet Services submitted its annual tariff variation notice for the period 1 January 2020 to 31 December 2020. AusNet Services provided a revised submission on 20 November 2019 in response to queries made by the AER.
On 21 November 2019, the AER approved AusNet Services' annual tariff variation proposal for the period 1 January to 31 December 2020. This was after assessing the tariff variation proposal as compliant with the AER's Final Decision on AusNet Services' 2018-22 Access Arrangement.