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[EventId:202408271230_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 27 August 2024 12:30
Issued by Australian Energy Market Operator Ltd at 1230 hrs on 27 August 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 27 August 2024.
Refer to market notice: 117834
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 1230 hrs on 27 August 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202408271135_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 27 August 2024 11:35
Issued by Australian Energy Market Operator Ltd at 1135 hrs on 27 August 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 27 August 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1135 hrs on 27 August 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Refer AEMO Electricity Market Notice 117831
To manage power system security in the Victoria region, AEMO invoked the following network constraint.
Constraint Set invoked from 10:40 hrs 27/08/2024 to 11:00 hrs 27/08/2024
I:SVML_120
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Inter-Regional Transfer limit variation - Murraylink 27/08/2024
To manage power system security in the Victoria region, AEMO has invoked the following network constraint.
Constraint Set invoked at 10:40 HRS 27/08/2024
I:SVML_120
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 0530 hrs 27 Aug 2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible Contingency Event: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Cancellation of the reclassification of a Non-Credible Contingency Event: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Refer AEMO Electricity Market Notice 117212
AEMO considers the simultaneous trip of the following elements no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: NSW
Elements: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Cancellation time:: 1400 hrs 26/08/2024
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 22/08/2024
Cancellation - AEMO Intervention Event - SA region 22/08/2024
Refer to Market Notice 117756
The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 26/08/2024.
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 117791
Direction is cancelled from: 1500 hrs 26/08/2024
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 117790
Direction is cancelled from: 1500 hrs 26/08/2024
Manager NEM Real Time Operations