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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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Framework and Approach released for Transgrid, ElectraNet and Murraylink’s 2028–33 revenue determinations

AER releases Framework and Approach papers for Transgrid, ElectraNet and Murraylink’s 2028–33 revenue determinations.
Communications
Issue date
Transmission

AER initiates 2026 Capital expenditure model review

We are consulting on proposed updates to the standardised distribution capex model and the proposed introduction of a new transmission model.
Communications
Issue date
Distribution
Transmission

AER compliance and enforcement outcomes highlight focus on protecting consumers

We have published our annual compliance and enforcement report, which details our activities during 2025-26 to improve compliance and protect consumers.
News releases
Issue date
Consumer matters
Corporate
Distribution
Retail
Wholesale
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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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