Email
AERInquiry@aer.gov.au
Contact for
AER price-responsive reporting guideline
We published our AER price-responsive reporting guideline on 9 September 2025.
Type
Guidelines
Status
Current
AusNet Services transmission cost pass through – February 2024 storm
We have published our determination on AusNet’s pass through application for transmission tower rebuild costs following the February 2024 storm in Victoria.
Type
Communications
Capital Expenditure Guideline Review 2025
On 26 May, we published our final amendments to the Capital Expenditure Incentive Guidelines (Guidelines).
Type
Reviews
Status
Current
AER publishes approved Legacy Meter Replacement Plans
The AER has published electricity distribution network companies’ Legacy Meter Replacement Plans, as required under the National Electricity Rules.
Type
Communications
AER releases updated Capital Expenditure Incentive Guidelines
The AER has published updated Capital Expenditure Incentive Guidelines as part of the 2025 Capital Expenditure Incentive Guidelines Review.
Type
Communications
Retailer Reliability Obligation - Interim Contracts and Firmness Guidelines 2025
The interim Contracts and Firmness Guidelines set out the AER's approach to contracts and the reporting requirements under the Retailer Reliability Obligation.
Type
Guidelines
Status
Current
AER submits rule change request to apply a revised STPIS
The AER has submitted a rule change request to apply a revised service target performance incentive scheme before the end of a TNSP’s regulatory control period.
Type
Communications
Marinus Link: Stage 1, Part B (construction cost) revised revenue proposal published
AER publishes Marinus Link Stage 1, Part B (construction cost) revised revenue proposal.
Type
Communications
AER commences the 2026 Rate of Return Instrument review
AER releases discussion paper to commence the 2026 Rate of Return Instrument review
Type
Communications
AusNet Services - Cost pass through - February 2024 storm
AusNet's cost pass through application relates to distribution network costs incurred during Victoria's February 2024 storm.
Type
Cost pass throughs
Status
Current
Default market offer prices 2025–26
The DMO is a maximum price that retailers can charge electricity customers on default contracts known as standing offer contracts.
Type
Reviews
Status
Open
Energex cost pass through application – South East Queensland storms
AER has made a determination on Energex’s South East Queensland storms cost pass through application.
Type
Cost pass throughs
Status
Current
Ergon Energy Cyclone Jasper cost pass through application
AER has made a determination on Ergon Energy's cost pass through application for Cyclone Jasper.
Type
Cost pass throughs
Status
Current
Ergon Energy Cyclone Kirrily cost pass through application
AER has made a determination on Ergon Energy's cost pass through application for Cyclone Kirrily.
Type
Cost pass throughs
Status
Current
Jemena VEBM cost pass through application
Jemena’s Victorian Emergency Backstop Mechanism (VEBM) cost pass through application
Type
Cost pass throughs
Status
Current
Powercor VEBM cost pass through application
Powercor’s Victorian Emergency Backstop Mechanism (VEBM) cost pass through application
Type
Cost pass throughs
Status
Current
United Energy VEBM cost pass through application
United Energy’s Victorian Emergency Backstop Mechanism (VEBM) cost pass through application
Type
Cost pass throughs
Status
Current
AER updates the Shared Asset Guidelines
Our updated Shared Asset Guidelines gives effect to the National Electricity Amendment (Regulated stand-alone power systems) Rule 2022.
Type
Communications
AER publishes draft decision on Atlas to Reedy Creek pipeline classification
Have your say on the AER’s draft decision to classify the Atlas to Reedy Creek Pipeline as a transmission pipeline by 18 July 2025.
Type
Communications
AER reports on retail performance for January to March 2025
Our report covers key outcomes and trends affecting energy consumers and energy retail markets. Access 5 quarters of data and comparisons over the past 5 years.
Type
Communications