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 releases final Default Market Offer 2026-27

Decision confirms lower electricity prices for most DMO households and small businesses.
News releases
Issue date
Retail

ZEN Energy Retail Pty Ltd authorisation transfer application

We received an application from ZEN Energy Retail Pty Ltd to transfer an electricity retailer authorisation. We invite submissions by Friday 19 June 2026.
Communications
Issue date
Retail

AER approves 2026–27 gas tariff variation notices for Australian Gas Networks (Victoria and Albury), AusNet Gas Services and Roma to Brisbane Pipeline

We have published the approved 2026-27 tariff variation proposals of Australian Gas Services (Vic/Albury), AusNet Gas Services and Roma to Brisbane Pipeline
Communications
Issue date
Distribution
Transmission
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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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