The Coordinator of Energy has published an Exposure Draft of proposed Electricity System and Market (ESM) Amending Rules for consultation.
The Coordinator of Energy has published an Exposure Draft of proposed Electricity System and Market (ESM) Amending Rules for consultation. These Amending Rules implement the Review Outcomes from the Capability Class 2 Technologies Review Information Paper that was published on 30 September 2026.
The Review Outcomes include:
- allowing AEMO to accurately measure ESR performance in a Reserve Capacity Test;
- changes to DSP availability obligation intervals to 8:00am to 12:00pm and 2:00pm to 10:00pm on Business days;
- allowing the reduction in DSP Capacity Credits and the return of the relevant Reserve Capacity Security, if large associated loads cease operations; and
- specific ESR state of charge obligations during Lack of Reserve events, and additional Capacity Credit Refund provisions during periods when these specific obligations apply.
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