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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 invites feedback on the draft DMO guidelines

Have your say on the draft Default Market Offer (DMO) guidelines by 16 October 2026.
Communications
Issue date
Retail

AER seeks special leave to the High Court to appeal AGL Centrepay overcharging decision

The AER seeks the High Court’s ruling on important questions about the meaning & operation of the overcharging protections in the National Energy Retail Rules.
News releases
Issue date
Retail

AER consults on draft network resilience guidelines

Have your say on our draft network resilience guidelines by 15 October 2026.
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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