Decisions

This page is a collection of all AER regulatory decisions.

Use the filters and keyword search to find open, current and historical documents that detail AER decisions on matters such as revenue determinations, access arrangements, pricing proposals, tariff variations, cost allocation methods, cost pass throughs and contingent projects.

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64 result(s), displaying 1 to 12

ElectraNet - Network support pass through 2023–24

AER’s has determined ElectraNet's 2023-24 positive network support cost pass through should be reflected in ElectraNet's maximum allowed revenue for 2023-28

Cost pass throughs

Current

Amadeus Gas Pipeline - 2025–26 tariff variation notice

APA Group has proposed new network prices to apply to its Northern Territory gas pipeline for 2025–26.

Tariff variations

Open

ElectraNet Mid North South Australia REZ Expansion Stage 1a - Early Works Contingent Project

On 20 June 2025, the AER published its decision on ElectraNet's Mid North South Australia REZ Expansion Stage 1a early works contingent project application.

Contingent projects

Current

Power and Water Corporation - Ring Fencing Decision - McArthur River Mining Pipeline

The AER has made a final decision to grant an exemption to Power and Water from their ring-fencing obligations for the McArthur River Mining Pipeline.

Ring-fencing

Current

ElectraNet - Network support pass through 2022–23

Cost pass throughs

Current

Murraylink - Connection charge pass through 2022–23

The AER published its decision on a negative cost pass through application submitted by Murraylink to reduce its 2024-25 allowed revenue due to lower than forecast connection charges in 2022-23.

Cost pass throughs

Current