On 26 September 2025, Ausgrid withdrew its initial contingent project application. It submitted a revised application on 31 October 2025 with updated information for its 'Addressing Increased Customer Demand Requirements in the Macquarie Park Area' contingent project.
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Application
Ausgrid - Contingent Project Application - New Wallumatta STS - 31 October 2025
Ausgrid - Appendix 3 - AER FD 2024-29 PTRM Transmission 2025-26 RoD update Wallumatta revised CPA - 31 October 2025
Ausgrid - Appendix 5 - Cost estimates network options Wallumatta revised CPA - 31 October 2025
Submissions
We invite energy consumers and other interested parties to make submissions on Ausgrid's contingent project application Friday, 5 December 2025.
Submissions should be emailed to: contingentprojects
aer [dot] gov [dot] au (contingentprojects[at]aer[dot]gov[dot]au)
Alternatively, you may mail submissions to:
Ms Kami Kaur
General Manager, Network Expenditure
Australian Energy Regulator
GPO Box 3131
Canberra, ACT, 2601
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. All non-confidential submissions will be placed on the AER's website. For further information regarding the AER's use and disclosure of information provided to it, see the ACCC/AER Information Policy.
We request parties wishing to submit confidential information:
- 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.