On 20 September 2021, Powerlink submitted an application under clause 6A.7.2 of the National Electricity Rules to the AER for a positive network support pass through of costs due to its actual network support expenditure for 2020–21 being higher than what was forecast in Powerlink’s 2018–23 revenue determination.

Powerlink’s application is seeking a positive network support pass through amount of $2,536,987.