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What industry sector are you looking for?

Networks

We regulate electricity networks and natural gas pipelines by setting the maximum amount of revenue they can earn from consumers. 

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Wholesale

We monitor the performance of wholesale gas and electricity markets, the activities of market participants and their compliance with market rules.  

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Retail

Learn more about our role in monitoring the activities of energy retailers to help consumers make informed choices about their energy supplier.

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Quick links

Energy Innovation Toolkit

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Renewable Energy Zones

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Firm Energy Reliability Mechanism

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Latest News

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AER initiates the Exemptions guidelines 2026 review

We invite stakeholders to provide feedback on our Network Exemptions Guideline and the Retail Exempt Selling Guideline consultation paper.
Communications
Issue date
Distribution
Embedded Networks
Retail

AER releases a Position Paper on APA’s advance capex proposal

We invite stakeholders to make submissions by Friday 5 June on our positions on APA’s advanced capex proposal to expand the South West Pipeline.
Communications
Issue date
Transmission

AER approves 2026–27 gas tariff variation for Multinet Gas Networks

We have completed compliance checks of Multinet Gas Networks’ 2026–27 tariff variation proposal and published the approved proposal.
Communications
Issue date
Distribution
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Latest AER regulatory decisions

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Murraylink - Transmission Determination 2028-33

The AER will make a determination of the maximum amount of revenue that Murraylink can earn from customers over the period 1 July 2028 to 30 June 2033.
Determinations
Open
Effective date
Commencement date
Transmission
SA
VIC
Interconnector

ElectraNet - Transmission Determination 2028-33

The AER will make a determination of the maximum amount of revenue that ElectraNet can earn from customers over the period 1 July 2028 to 30 June 2033.
Determinations
Open
Effective date
Commencement date
Transmission
SA

Transgrid - Transmission Determination 2028-33

The AER will make a determination of the maximum amount of revenue that Transgrid can earn from customers over the period 1 July 2028 to 30 June 2033.
Determinations
Open
Effective date
Commencement date
Transmission
NSW
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