2016 Access Undertaking (UT4)

  • Approved Access Undertaking
  • Variations
  • Ongoing Compliance

Aurizon Network's 2016 access undertaking is no longer in force, following the QCA's approval of Aurizon Network's 2017 access undertaking.

The undertaking was subject to amendment through a draft amending access undertaking (DAAU) process under the QCA Act.

The most recent 2016 access undertaking was based on the approvals listed below.

Date approved

Approved undertaking and DAAUs

11 October 2016

2014 DAU (amended), which became the 2016 access undertaking

24 May 2017

April 2017 Extension DAAU

16 June 2017

EC Tariff DAAU

9 November 2017

September 2017 Extension DAAU

23 May 2018

April 2018 Extension DAAU

15 November 2018

October 2018 Extension DAAU

Aurizon Network's 2016 access undertaking and relevant standard agreements, as approved by the QCA, are found below.

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Since the 2016 access undertaking was approved, Aurizon Network had proposed amendments through various DAAUs under the QCA Act.

The QCA can approve or refuse to approve a DAAU. Each DAAU that was approved had amended the 2016 access undertaking.



Extension DAAUs

October 2018 Extension DAAU approved on 15 November 2018

EC Tariff DAAU

Approved on 16 June 2017


Refused approval on 14 December 2017

Moura system DAAU (2015 flood claim)

Refused approval on 24 May 2017

Minerva Pricing DAAU

Withdrawn on 30 January 2018

Electric Traction (AT5) DAAUs

2018 DAAU refused approval on 21 March 2019

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We monitored Aurizon Network's ongoing compliance with its 2016 access undertaking.

Aurizon Network was obliged to undertake a number of activities in accordance with its undertaking, some of which require the QCA's approval (e.g. annual approval of capital expenditure, revenue cap adjustments and reference tariff variations).

The QCA also assessed ad hoc requests from Aurizon Network for approval of matters required by the undertaking.

Compliance activities

Revenue Adjustment Amounts

Capacity Assessments

Reference Tariff Adjustments

Adjustment Charges

System Rules

Condition Based Assessment

Capital Expenditure

March 2018 Compliance Notice - Maintenance

Regulatory Asset Base Roll-forward

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