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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 registration of stakeholder interest in Ergon Energy’s and Energex’s requests to amend 2025-30 tariff structure statements

The amendments remove planned optional residential and small business demand and flexible load tariffs. Expressions of interest close 23 June 2026.
Communications
Issue date
Distribution

Agora Gas Pty Limited - granted gas retailer authorisation

On 26 May 2026, the AER approved a gas retailer authorisation application from Agora Gas Pty Limited.
Communications
Issue date
Retail

AER publishes 2026–27 revenue adjustment decisions for NSW non-contestable REZ network projects

We published our decisions on Ausgrid’s and Transgrid’s 2026–27 adjustment proposals for their NSW non-contestable network project determinations.
Communications
Issue date
REZ
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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