Final decision

On 30 April 2025, we released our final decision on Directlink’s electricity transmission determination for the 2025–30 regulatory control period. 

Our final decision is set out in the Overview and accompanying attachments. As a number of issues were settled at the draft decision stage or required only minor updates, we have not prepared all attachments.

In these circumstances our draft decision reasons form part of this final decision.

AER - Final Decision Overview - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 1 - Maximum allowed revenue - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 2 - Regulatory asset base - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 4 - Regulatory depreciation - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 5 - Capital expenditure - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 6 - Operating expenditure - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision Attachment 7 - Corporate income tax - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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AER - Final Decision - Approved pricing methodology - Directlink - 2025-30 Transmission determination revenue proposal - April 2025

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AER
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Models

The following models relate to Directlink’s final decision.

AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - Capex Model - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - CESS Model - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - CESS True-up Model - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - Depreciation Tracking Module - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - EBSS Model - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - Opex Model - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - PTRM - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - RFM - April 2025

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AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - STPIS Model Workbook - April 2025

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Consultant reports

We commissioned the following report, which we took into account when making our final decision for Directlink. 

AER - Final Decision - Directlink - 2025-30 Transmission determination revenue proposal - DAE - Labour price growth forecasts - March 2025

Authors
Deloitte Access Economics (DAE)
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