2020 GBB (WA) Zones review

Market GBB
StageDraft Report
ConvenorAEMO GSI
Accepting submissions?Yes
Submissions close23/10/2020


The Australian Energy Market Operator (AEMO) is required to undertake a review of the Western Australian Gas Bulletin Board (GBB) Zones at least once every five years. The last review under sub-rule 82(10) of the GSI Rules was undertaken in 2015. AEMO has commenced the 2020 GBB Zones review.

AEMO has developed a draft report presents the preliminary outcomes of the 2020 GBB Zones review and looks at what changes may be required to the current Zones, and whether the information presented by Zones promotes the Gas Services Information objectives (GSI Objectives).

AEMO’s preliminary findings are that the current GBB Zones List meets the requirements of the GSI Rules and does not require any changes to improve effectiveness. AEMO recommends the current GBB Zones List be retained until the next five yearly review, or until there is a material change in the WA gas market that warrants reconsideration of the Zones under sub-Rule 82(10) of the GSI Rules.

AEMO is seeking feedback from stakeholders on the preliminary findings of this review in accordance with sub-rule 82(11) of the GSI Rules before it is finalised.

Public Consultation and Submissions

To help inform the final report and test the preliminary findings, AEMO invites all interested parties to submit their views on the appropriateness of the current GBB Zones List, and any reasons why changes to the current Zones may be required. Stakeholders are asked to consider the following questions:

  • Does the information aggregation/segregation of the current Zones provide meaningful information?
  • How could the presentation of Zones data be improved?
  • Are there any future gas developments that may impact the future accuracy and/or granularity of information provided by the current Zones?

AEMO welcomes feedback on the level of analysis provided in the draft report, and any other analysis stakeholders consider would be useful as part of this review and future GBB Zones List reviews.

Written submissions should be submitted by email to wa.operations@aemo.com.au by 5:00PM (AWST) Friday 23/10/2020.

Public Workshop

AEMO invites all interested parties to attend a public workshop on the draft report to be held by teleconference from 2:00 PM to 3:00 PM (AWST) on Thursday 15/10/2020. The objective of the workshop is to discuss the draft report and preliminary findings.

If you would like to register for this workshop, please RSVP to wa.operations@aemo.com.au by 5:00 PM (AWST) on Tuesday 13/10/2020. Details of how to join the teleconference will be provided once registration is confirmed.

Final Report

Feedback from consultation, stakeholder submissions and any additional analysis conducted by AEMO will be considered and included in a final report. AEMO expects to publish its final report in November 2020 and present the findings at the November WA Gas Consultative Forum.

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