Primary Frequency Response Requirements Consultation 2024

08/05/2024
Market National Electricity Market
StageFirst Stage
ConvenorAEMO NEM
Initiated08/05/2024
Accepting submissions?Yes
Submissions close24/05/2024

Matters under consultation 

Following an AEMC rule change made on 7 March 2024 (Clarifying mandatory primary frequency response obligations for bidirectional plant), AEMO is consulting on required updates to the Primary Frequency Response Requirements in accordance with clause 4.4.2A of the National Electricity Rules.   

The changes are to update terminology to include terms “Affected Provider”, “Affected Unit”, “Deadband” and “IRP” to align with the rule change, the first part of which will take effect from 3 June 2024 alongside the commencement of the Integrated Energy Storage Systems (IESS) Rule.

AEMO has also revised Section 2.3 to reflect further changes that will come into effect from 8 June 2025 and has specifically clarified in section 6.6 that Affected Units will not be required to provide PFR when managing plant within State of Charge (SOC) limits.

Consultation process 

Under NER 4.4.2A(e) AEMO may make minor or administrative changes to the Primary Frequency Response Requirements. The proposed changes are considered to be minor or administrative in nature and are primarily required to ensure the Primary Frequency Response Requirements are consistent with the National Electricity Rules, as amended by the Clarifying mandatory primary frequency response obligations for bidirectional plant rule.

AEMO is making these changes available for feedback and comment by stakeholders for 10 business days. The changes will be effective from 3 June 2024 to align with the IESS Rules, unless otherwise specified in the document.

AEMO invites stakeholders to: 

  • provide feedback and comments on the accompanying change-marked documents; and  
  • identify any unintended adverse consequences of the changes. 

Stakeholders are invited to submit written responses via email to pfr@aemo.com.au, by 5.00pm (AEST) on 24 May 2024. 

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