The following table provides an indicative date for the key milestones in our decision making process. Please note this timetable is subject to change.
| Milestone | Date |
| Public forum | 11 December 2025, 10-11am (AEDT) |
| Submissions on APA's rule 80 application | 19 January 2026 |
| Draft decision on APA's rule 80 application | March-April 2026 |
| Submissions on our draft decision | April-May 2026 |
| Final decision | June-July 2026 |
On 31 October 2026, APA submitted an application for a determination of future capital expenditure in relation to the extension of the South West Pipeline.
We received updated documents from APA on 10 and 14 November 2025.
Interested stakeholders are invited to make a submission on APA's rule 80 application for expansion of the South West Pipeline.
Submissions will close on Monday, 19 January 2025 and can be emailed to resetcoord
aer [dot] gov [dot] au (ResetCoord[at]aer[dot]gov[dot]au).
We encourage you to participate in consultations to give us important insights, views and feedback that will inform our decision-making process.
On 11 December 2025, 10-11am (AEDT) we will hold a public forum to discuss APA's rule 80 application on expansion of the South West Pipeline.
Stakeholders interested in attending our public forum can register through Eventbrite [external link].