AER General Inquiries

AER has published the Eligible Experts’ report for the 2026 Rate of Return Instrument review.

This update illustrates annual changes in market data for the energy network businesses we regulate

We have published the final AER price-responsive reporting guideline which sets out our approach to new monitoring and reporting obligations.

AER has updated the key milestones and dates for the 2026 Rate of Return Instrument review, including adding an Eligible Experts’ report public forum.

The application includes revenue recovery for the construction of the Tasmanian on-land portion of Project Marinus. Submissions close 28 November 2025.

Have your say on Ausgrid’s revised contingent project application to construct a new substransmission substation (Wallumatta). Submissions close 5 December 2025

The AER has appointed a Consumer Reference Group and a panel of Eligible Experts for its 2026 Rate of Return Instrument (RORI) review.

We have published our determination on TasNetworks’ distribution pass through application for costs from the 26 August – 4 September 2024 storm in Tasmania.

The AER has released draft distribution determinations for Victorian electricity distributors AusNet, Jemena, CitiPower, Powercor and United Energy.

We have published our determination on AusNet’s pass through application for transmission tower rebuild costs following the February 2024 storm in Victoria.

The AER has published electricity distribution network companies’ Legacy Meter Replacement Plans, as required under the National Electricity Rules.

The AER has published updated Capital Expenditure Incentive Guidelines as part of the 2025 Capital Expenditure Incentive Guidelines Review.