On 21 April 2020, Australian Gas Networks submitted to the AER an annual tariff variation notice for its South Australian gas distribution network. The tariff variation notice relates to network charges for Australian Gas Networks' users for the period 1 July 2020 - 30 June 2021.
On 27 May 2020, the AER approved Australian Gas Networks' annual tariff variation proposal for the period 1 July 2020 to 30 June 2021. This was after assessing the tariff variation proposal as compliant with the AER's Final Decision on Australian Gas Networks (SA) - Access arrangement 2016-21.