Email
REZ@aer.gov.au
Contact for
System Strength Project (hybrid)
The AER has commenced its assessment of Transgrid’s System Strength Project and will make its final decision on or before 21 October 2026.
Type
Determinations
Status
Open
Enabling Central-West Orana Renewable Energy Zone Network Infrastructure Project (non-contestable)
The AER made its final decision on Transgrid’s CWO Enabling Project.
Type
Determinations
Status
Open
Hunter-Central Coast Renewable Energy Zone Network Infrastructure Project (non-contestable)
Read Ausgrid’s proposal for the Hunter Central Coast REZ Network Infrastructure Project
Type
Determinations
Status
Current
NSW Electricity Infrastructure Roadmap - contribution determination 2026−27
View our decision on the maximum amount electricity distributors can pass through to consumers in 2026-27 as costs for the NSW infrastructure roadmap
Type
Cost pass throughs
Status
Current
Consultation opens on the System Strength Project hybrid revenue proposal
Have your say on the System Strength Project hybrid revenue proposal by 18 May 2026.
Type
Communications
AER publishes 2026–27 revenue adjustment proposals for NSW non-contestable REZ network projects
We'll undertake a review of the annual adjustment proposals from Ausgrid and Transgrid relating to their revenue determinations for NSW non-contestable projects
Type
Communications
AER publishes its final decision on Transgrid’s Central-West Orana Enabling Project for the 2026–31 regulatory period
The AER has published its final determination on Transgrid’s CWO Enabling Project for the 2026–31 regulatory period.
Type
Communications
Contribution determination for 2026-27 under NSW Roadmap released
The total contribution determination amount for 2026−27 is $593.16 million.
Type
Communications
AER makes final decision for Transgrid’s Enabling Central-West Orana REZ non-contestable revenue determination
The AER made its final decision on Transgrid’s CWO Enabling Project and will publish its final decision after EnergyCo informs us financial close has occurred.
Type
Communications
AER publishes final decision for Ausgrid’s Hunter-Central Coast REZ non-contestable network infrastructure project
The AER has published its final decision on Ausgrid’s HCC REZ project for the 2026–31 regulatory control period.
Type
Communications
AER releases revised Revenue Determination Guideline for NSW non-contestable projects
The AER has published an updated version of the Revenue determination Guideline for NSW non-contestable projects.
Type
Communications
2025 Review of the revenue determination guideline for NSW non-contestable projects
The AER has published an updated version of the Revenue determination Guideline for NSW non-contestable projects.
Type
Reviews
Status
Current
Revenue determination guideline for NSW non-contestable projects
Our guideline explains the Transmission Efficiency Test and how we determine revenue for network operators authorised to carry out non-contestable projects.
Type
Guidelines
Status
Current
AER makes final decision for Ausgrid’s Hunter-Central Coast REZ non-contestable revenue determination
The AER made its final decision on Ausgrid’s HCC REZ project and will publish its revenue determination after EnergyCo informs us financial close has occurred.
Type
Communications
AER consults on its preliminary position paper for Transgrid’s CWO Enabling Project
Have your say on our preliminary position paper for the CWO Enabling Project by 17 November 2025.
Type
Communications
Guidance note on the AER’s EII Assessment Approach for Non-contestable revenue determinations
The AER has released a guidance note on the AER’s assessment approach for use in non-contestable revenue determinations.
Type
Guidelines
Status
Current
Consultation opens on our Preliminary position paper for Ausgrid’s Hunter-Central Coast REZ non-contestable revenue determination
Have your say on our Preliminary position paper for the Hunter-Central Coast REZ non-contestable revenue determination by 4 September 2025.
Type
Communications
Consultation opens on the Central-West Orana REZ Enabling Project non-contestable revenue proposal
Have your say on the Central-West Orana REZ Enabling Project non contestable revenue proposal by 26 August.
Type
Communications
NSW Electricity Infrastructure Roadmap - contribution determination 2025−26
View our decision on the maximum amount electricity distributors can pass through to consumers in 2025-26 as costs for the NSW infrastructure roadmap.
Type
Cost pass throughs
Status
Current
Main Central-West Orana Renewable Energy Zone network project (contestable)
Read our determination on the amounts to be paid to ACEREZ for the main Central-West Orana REZ network project.
Type
Determinations
Status
Current