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[EventId:202411231815_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 23 November 2024 18:15
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 23 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 November 2024.
Refer to market notice: 120869
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1815 hrs on 23 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411231800_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 23 November 2024 18:00
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 23 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 November 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1800 hrs on 23 November 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 27/11/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 120852 has been updated at 1700 hrs on 23/11/2024 to the following:
[1.] From 1300 hrs 27/11/2024 to 1700 hrs 27/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 640 MW at 1430 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 27/11/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 120851 has been updated at 0800 hrs on 23/11/2024 to the following:
[1.] From 1400 hrs 27/11/2024 to 1500 hrs 27/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 387 MW at 1430 hrs.
[2.] From 1530 hrs 27/11/2024 to 1900 hrs 27/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 246 MW at 1800 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 27/11/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 120841 has been updated at 0400 hrs on 23/11/2024 to the following:
[1.] From 1730 hrs 27/11/2024 to 1830 hrs 27/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 186 MW at 1800 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/11/2024 22:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 120843
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/11/2024 22:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 120842
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 22/11/2024 21:24 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 22/11/2024 21:24 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations