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Use the filters and keyword search to find open, current and historical documents that detail AER decisions on matters such as revenue determinations, access arrangements, pricing proposals, tariff variations, cost allocation methods, cost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

Filters

106 result(s), displaying 85 to 96

Central Ranges Gas Pipeline (transmission) - Annual tariff variation 2014-15

Tariff variations

Historical

Amadeus Gas Pipeline - Annual tariff variation 2014–15

Tariff variations

Historical

SA Power Networks - Annual pricing proposal 2014-15

Pricing proposals

Historical

Roma to Brisbane - Annual tariff variation 2014-15

Tariff variations

Historical

TasNetworks - Ring-fencing waiver 2014

Ring-fencing

Historical

Ergon Energy - Mount Isa network support generation Ring-fencing waiver 2014

Ring-fencing

Historical

New South Wales: December 2025 - February 2026

The AER has made a T-3 Reliability Instrument under the RRO for a forecast reliability gap in New South Wales, from 1 December 2025-28 February 2026.

Retail Reliability Obligation

Revoked

Jemena Gas Networks (NSW) - Access arrangement 2015-20

Access arrangements

Historical

Directlink - Determination 2015-2020

Determinations

Historical

AusNet Services (SP AusNet) - Determination 2016-20

Determinations

Historical

CitiPower - Determination 2016-20

Determinations

Historical

Jemena - Determination 2016-20

Determinations

Historical