What industry sector are you looking for?

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 takes Sumo Energy to court over alleged breaches of family violence protections

The AER has instituted Federal Court proceedings against Sumo Power Pty Ltd and Sumo Gas Pty Ltd for allegedly breaching the National Energy Retail Rules.
News releases
Issue date
Consumer matters
Retail

AER publishes its final NSW Electricity Infrastructure Fund Contribution Determination Guideline

The updated guideline sets out our approach and method for making contribution determinations relating to the recovery of NSW Roadmap costs.
Communications
Issue date
Distribution
REZ
Transmission

AER approves Agora Retail Pty Limited's application to surrender its gas retailer authorisation

On 7 September 2026, the AER approved an application from Agora Retail Pty Limited to surrender its gas retailer authorisation.
Communications
Issue date
Retail
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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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