On 1 September 2026, AusNet Services submitted its revised transmission regulatory proposal for the period 1 April 2027 to 31 March 2032 (2027–32). This submission and supporting materials are included below.
On this page
Revised proposal
AusNet - Revised Proposal Cover Letter - 1 Sep 2026
AusNet - Certification of the Reasonableness of Key Assumptions - 1 Sep 2026
Confidentiality claims
Models
Appendices
Supporting information - model documents
AusNet - Capitalised movement in provisions - 1 Sep 2026
AusNet - Immediate Expensing of Capex Summary (2023-27) - 1 Sep 2026
AusNet - Rate of Return Build Up Model - 1 Sep 2026
AusNet - TRR Energy Delivered Forecast - 1 Sep 2026
Supporting information - technology documents
Supporting information - technical documents
Supporting information - technical asset management strategy documents
4.4.09 AusNet - AMS 01-09 Asset Risk Assessment Overview - 9 Sep 2026
4.4.10 AusNet - AMS 01-09-02 Event Trees - 7 Sep 2026
4.4.12 AusNet - Low Spans Tranche 1 Business Case - 9 Sep 2026
4.4.13 AusNet - Portland Stage 2 Risk Register - 1 Sep 2026
Supporting information - technical project documents
Supporting information - engagement documents
4.6.01 AusNet - TSAP Meeting 9 Summary - 1 Sep 2026
4.6.02 AusNet - TSAP Meeting 10 Summary - 1 Sep 2026
4.6.03 AusNet - TSAP Meeting 11 Summary - 1 Sep 2026
Submissions
The AER published its draft decision on 30 June 2026.
We invite energy consumers and other interested parties to make submissions on both our draft decision and AusNet Services’ revised proposal by Friday, 2 October 2026.
Written submissions should be sent electronically to AERresets2027-32
aer [dot] gov [dot] au (AERresets2027-32[at]aer[dot]gov[dot]au) and addressed to Kami Kaur, A/g Executive General Manager, Network Regulation, Australian Energy Regulator.
Alternatively, submissions can be mailed to
GPO Box 3131
Canberra ACT
2601
Submissions should be in Microsoft Word or another text readable document format.
We prefer that all submissions be publicly available to facilitate an informed and transparent consultative process. We will treat submissions as public documents unless otherwise requested.
Parties wishing to submit confidential information should:
- clearly identify the information that is the subject of the confidentiality claim
- provide a non-confidential version of the submission in a form suitable for publication.
All non-confidential submissions will be placed on the AER's website.