The Coordinator of Energy has undertaken a Review of the MAC (Review) under clause 2.2D.1(h) of the Electricity System and Market (ESM) Rules.
During Stage 1 of the Review, stakeholder engagement was undertaken by ACIL Allen through a survey, one-on-one interviews with current and former MAC members, interviews with selected stakeholders and a public consultation paper.
During Stage 2, Energy Policy WA (EPWA) consulted with stakeholders through a public Consultation Paper on the recommendations made by ACIL Allen that were accepted in principle by the Coordinator.
EPWA considered all stakeholder submissions on the Consultation Paper and revised its initial proposals to address the stakeholder feedback. The Review Outcomes were published in an Information Paper on 6 October 2025.
The proposed amendments were the subject of a final Public Consultation through an Exposure Draft of proposed ESM Amending Rules, conducted from 6 October to 27 October 2025.
EPWA received 3 stakeholder submissions to the Exposure Draft.
- Submissions received from the Expert Consumer Panel and Synergy provided their general support for the proposed amendments. One submission from Alinta Energy provided additional feedback and is available below.
The Electricity System and Market Amendment (Tranche 9) Rules 2025 were approved by the Minister for Energy on 19 December 2025, published in the Government Gazette on 23 December 2025 and commenced on 1 January 2026, are available here.
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