Overview

AER decision

On 30 June 2026, the AER made Annual Information Orders (Orders) applying to regulated electricity distribution and transmission networks, and interconnectors.

We have published our decision to make the Orders, which sets out our consideration of key components of the Orders (such as the period for which they will apply, and the information requirements). 

AER Decision - Annual information orders - electricity 2026-28

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Document

Annual Information Orders 2026-28 View details

Annual Information Order 2026-28 - Electricity distributor.pdf
PDF (521.76KB)
Annual Information Order 2026-28 - Electricity TNSP.pdf
PDF (499.08KB)
Annual Information Order 2026-28 - Interconnector.pdf
PDF (477.19KB)
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Document

Data submission workbooks and instructions (Appendix A)

The data submission workbooks (Appendix A to the Order) set out the data requirements and are provided below.

Instructions to the workbooks (also Appendix A to the Order) are also provided below.

Annual Information Order 2026-28 - Appendix A - Instructions View details

Annual Information Order 2026-28 - Electricity distributor - Appendix A - Instructions_1.pdf
PDF (704.93KB)
Annual Information Order 2026-28 - Electricity TNSP - Appendix A - Instructions.pdf
PDF (661.75KB)
Annual Information Order 2026-28 - Interconnector - Appendix A - Instructions.pdf
PDF (453.32KB)
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Annual Information Order 2026-28 - Data submission workbooks View details

Annual Information Order 2026-28 - Electricity distributor - Data submission workbook.xlsx
XLSX (15.39MB)
Annual Information Order 2026-28 - Electricity distributor - Data submission workbook - SCS Legacy Meters.xlsx
XLSX (141.3KB)
Annual Information Order 2026-28 - Electricity TNSP - Data submission workbook.xlsx
XLSX (832.32KB)
Annual Information Order 2026-28 - Interconnector - Data submission workbook.xlsx
XLSX (280.27KB)
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Document

Annual Information Notice - Power and Water Corporation

On 30 June 2026, the AER issued an annual reporting Regulatory Information Notice (Notice) for Power and Water Corporation (the electricity distributor in the Northern Territory). The Notice applies for two years, covering the reporting periods 2026-27 to 2027-28.

Power and Water Corporation is not subject to the Annual Information Order for electricity distributors. Power and Water Corporation was excluded from the Annual Information Order for electricity distributors, for the reasons set out in AER Decision - Annual Information Orders - 2024 (section 3.2).

The data submission workbook (Appendix A to the Notice) sets out the data requirements and is provided below.

Instructions to the workbook (also Appendix A to the Notice) are also provided below.

Annual Information Notice 2026-28 - Power and Water Corporation

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Annual Information Notice 2026-28 - Power and Water Corporation - Appendix A - Instructions

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Annual Information Notice 2026-28 - Power and Water Corporation - Data submission workbook

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Document

AER Networks Glossary V3

The AER has provided a glossary of terms and definitions to support interpretation of the Orders. The version of the glossary to be used with the 2026-28 Orders is AER Networks Glossary, version 3, as provided below. 

Annual Information Orders 2026-28 - AER Networks Glossary

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Supporting information

The AER has provided electricity distributors, TNSPs, Interconnectors and Power and Water Corporation with prefilled basis of preparation files and supporting information requirements lists.

Prefilled basis of preparation files have data tables listed to help NSPs understand the basis of preparation requirements, as set out in section 5 of the Orders and the Power and Water Corporation Notice. 

The supporting information requirements lists are provided to help NSPs document their responses to the supporting information requirements, as set out in section 4 of each Order or the Power and Water Corporation Notice.

Supporting information requirements list View details

Annual Information Order 2026-28 - Electricity distributor - Supporting information requirements list.xlsx
XLSX (20.01KB)
Annual Information Order 2026-28 - TNSP - Supporting information requirements list.xlsx
XLSX (17.64KB)
Annual Information Order 2026-28 - Interconnector - Supporting information requirements list_1.xlsx
XLSX (17.06KB)
Annual Information Notice 2026-28 - PWC - Supporting information requirements list.xlsx
XLSX (19.95KB)
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Annual Information Notice 2026-28 - PWC - Prefilled indicative Basis of Preparation View details

Annual Information Order 2026-28 - Electricity distributor - Prefilled indicative Basis of Preparation.xlsx
XLSX (26.95KB)
Annual Information Order 2026-28 - TNSP - Prefilled indicative Basis of Preparation.xlsx
XLSX (17.08KB)
Annual Information Order 2026-28 - Interconnector - Prefilled indicative Basis of Preparation.xlsx
XLSX (14.86KB)
Annual Information Notice 2026-28 - PWC - Prefilled indicative Basis of Preparation.xlsx
XLSX (23.09KB)
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AER responses to issues raised to draft 2026-28 Orders

We have prepared an issues register with AER responses to all issues raised during the consultation phase on the draft 2026-28 Annual Information Orders. 

AER response to issues raised - 2026-28 Orders - 30 June 2026

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AER data use case

The AER's data use cases for the information collected via the Annual Orders 2026-28 is provided. 

AER data use cases View details

Annual Information Orders 2026-28 - Data use cases - Distribution_0.xlsx
XLSX (24.81KB)
Annual Information Orders 2026-28 - Data use cases - Transmission and Interconnector_0.xlsx
XLSX (26.52KB)
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