We have now published our draft decision on AusNet Services' electricity transmission determination for the 2027–32 regulatory control period.
On this page
Draft decision
AER - Draft decision - AusNet Services transmission determination 2027-32 - Overview - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 1 - Building block approach: Maximum allowed revenue, Regulatory asset base, Regulatory depreciation and Corporate income tax - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - Attachment 2 - Capital expenditure - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 3 - Operating expenditure - June 2026
AER - Draft Decision - AusNet Services transmission determination 2027-32 - Attachment 4 - Pass through events - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 5 - Efficiency benefit sharing scheme - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 6 - Capital expenditure sharing scheme - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 7 - Service target performance incentive scheme - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 8 - Demand Management innovation allowance mechanism - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Attachment 9 - Pricing methodology - June 2026
AER - Draft decision - AusNet Services transmission determination 2027-32 - Approved pricing methodology - June 2026
AER - Draft Decision - AusNet Services transmission determination 2027-32 - Attachment 10 - Negotiating framework - June 2026
Models
Our models relating to AusNet Services’ 2027–32 transmission determination.
AER - Draft decision - AusNet Services transmission determination 2027–32 - CESS final year True-up model 2021 - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - CESS Model - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - Depreciation tracking module - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - EBSS Model - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - Opex Model - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - PTRM - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - RFM - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - Standardised Capex Model - June 2026
AER - Draft decision - AusNet Services transmission determination 2027–32 - STPIS Model (Service Component) - June 2026
Consultant reports
We commissioned the following reports, which we took into account when making our draft decision for AusNet Services’ 2027–32 transmission determination.
EMCa - Review of proposed major stations repex projects - AusNet Services transmission determination 2027–32 - March 2026
Deloitte Access Economics - Labour price growth forecasts - AusNet Services transmission determination 2027–32 - March 2026
Stakeholder forum - Predetermination conference
On 22 July 2026, we will hold an online predetermination conference to discuss our draft decision.
This online conference is an opportunity for stakeholders to learn about the draft decision and to provide feedback.
Consumer engagement is a valuable input to our determination and we encourage all interested stakeholders to join us.
Details of how to register for this online conference are available through Eventbrite.
Submissions
AusNet Services’ revised proposal is due by 1 September 2026.
We invite energy consumers and other interested parties to make submissions on both our draft decision and AusNet Services’ revised proposal (once submitted) by Monday, 28 September 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.