Overview

Initiation
Proposal
Draft decision
Revised proposal
Final decision

Final decision

On 14 May 2025, we released our final decision on Jemena Gas Networks (NSW) ('JGN') access arrangement proposal for the 2025–30 period commencing 1 July 2025.

Our final decision is set out in the Overview and accompanying attachments. For issues that were settled at the draft decision stage or required only minor updates, our draft decision reasons form part of this final decision.

AER - Final decision - JGN access arrangement 2025–30 - Overview - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 2 - Capital base - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 4 - Regulatory depreciation - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 5 - Capital expenditure -May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 6 - Operating expenditure - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 7 - Corporate income tax - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 9 - Reference tariff setting - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 10 - Reference tariff variation mechanism - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 12 -Demand - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Attachment 13 - Capital expenditure sharing scheme - May 2025
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JGN - 2025-30 RSA FINAL
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Jemena Gas Networks (NSW) Ltd (JGN)
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JGN - 2025-2030 AA FINAL clean
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Jemena Gas Networks (NSW) Ltd (JGN)
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JGN - Mark up of 2020-25 RSA FINAL
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Jemena Gas Networks (NSW) Ltd (JGN)
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JGN - Mark up of 2020-2025 AA FINAL mark up
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Jemena Gas Networks (NSW) Ltd (JGN)
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Models

Our models relating to JGN's final decision.

AER - JGN 2025–30 - Final decision - ECM model - May 2025
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AER - JGN 2025–30 - Final decision - Operating expenditure model - May 2025
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AER - JGN 2025-30 - Final Decision - PTRM - Step 2 - May 2025
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AER - JGN 2025-30 - Final Decision - RFM - May 2025
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AER - JGN 2025-30 - Final Decision - RFM Depreciation module - May 2025
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AER - Final decision - JGN access arrangement 2025–30 - Capital expenditure sharing scheme model - May 2025
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Consultant reports

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

ACIL Allen - final decision - Review of Jemena Gas Network's revised demand forecasts - April 2025
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Deloitte Access Economics - AER Final Decision - JGN access arrangement 2025-30 - DAE - Labour price growth forecasts - March 2025
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Deloitte Access Economics (DAE)
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