Overview

Revenue Proposal

On 22 April 2026, Transgrid submitted a compliant hybrid revenue proposal for the System Strength Project for a proposed regulatory period commencing 1 October 2026 and ending 30 September 2031 (2026–31). 

The proposal and supporting materials, as well as a call for submissions, are provided below.

Transgrid - System Strength Project 2026-31 - Revenue Proposal - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.2 - System Strength Project 2026-31 - Revenue Proposal Overview - April 2026

Authors
Transgrid (T)
Content type
Document

Submissions

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Interested stakeholders are invited to make submissions on Transgrid’s revenue proposal by close of business 18 May 2026. Submissions should be emailed to REZataer [dot] gov [dot] au (subject: Submission%20on%20SSP%20revenue%20proposal) (REZ[at]aer[dot]gov[dot]au), with the subject line ‘Submission on System Strength revenue proposal’.

REZataer [dot] gov [dot] au (subject: Submission%20on%20SSP%20revenue%20proposal) (Email your submission)

We prefer that all submissions are made publicly available to facilitate an informed and transparent consultative process. We will treat submissions as public documents unless otherwise requested. All non-confidential submissions will be placed on our website. For further information regarding our use and disclosure of information provided to us, see the ACCC/AER Information Policy.

Confidentiality claims

Transgrid - A.8 - System Strength Project 2026-31 - Confidentiality (Non-disclosure) Claims - April 2026

Authors
Transgrid (T)
Content type
Document

Information notice response

Transgrid - A.6 - System Strength Project 2026-31 - Information notice response - June Year (financial year)(Workbook 1) - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.7 - System Strength Project 2026-31 - Information notice response - September Year (regulatory year)(Workbook 2) - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.9 - System Strength Project 2026-31 - Statutory Declaration - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.10 - System Strength Project 2026-31 - Key Capex and Opex Assumptions Certification - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - PwC - S.4 - System Strength Project 2026-31 - Audit Report - April 2026

Authors
Transgrid (T)
Price Waterhouse Coopers (PWC)
Content type
Document

Models

Transgrid - M.1 - System Strength Project 2026-31 - Capex Forecast Model - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - M.2 - System Strength Project 2026-31 - Labour and Overhead Cost Model - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - M.3 - System Strength Project 2026-31 - Opex Forecast Model - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - M.4 - System Strength Project 2026-31 - Direct Non-Labour Model - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - M.5 - System Strength Project 2026-31 - Rate of Return Model - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - M.6 - System Strength Project 2026-31 - EII Post Tax Revenue Model (PTRM) - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - Oxford Economics - M.7 - System Strength Project 2026-31 - Escalator Summary Table - April 2026

Authors
Transgrid (T)
Content type
Document

Supporting information - Attachments

Transgrid - A.3 - System Strength Project 2026-31 - Non-Contestable Labour and Indirect Capex Forecasting Methodology - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.4 - System Strength Project 2026-31 - Non-Contestable Opex Forecasting Methodology - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.5 - System Strength Project 2026-31 - Non-Contestable Risk Cost Allowance Forecasting Methodology - April 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - A.11 - System Strength Project 2026-31 - Cost Allocation Methodology - May 2023

Authors
Transgrid (T)
Content type
Document

Transgrid - A.12 - System Strength Project 2026-31 - Expenditure Capitalisation Policy - April 2025

Authors
Transgrid (T)
Content type
Document

Transgrid - DCCEEW - A.14 - System Strength Project 2026-31 - Supporting letter - March 2026

Authors
Transgrid (T)
DCCEEW
Content type
Document

Transgrid - North Projects - S.1 - System Strength Project 2026-31 - Project Owner’s Cost Assessment Report - March 2026

Authors
Transgrid (T)
Content type
Document

Transgrid - Oxford Economics - S.5 - System Strength Project 2026-31 - Labour Escalation Forecasts to 2031 - February 2026

Authors
Transgrid (T)
BIS Oxford Economics
Content type
Document

Transgrid - GHD - S.6 - System Strength Project 2026-31 - Accelerated Syncon Project - March 2026

Authors
Transgrid (T)
GHD
Content type
Document