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[EventId:202312161035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 December 2023 10:35
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 16 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
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 1035 hrs on 16 December 2023.
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.
[EventId:202312161030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 16 December 2023 10:30
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 16 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
Refer to market notice: 112397
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 1030 hrs on 16 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312160935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 December 2023 09:35
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 16 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
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 0935 hrs on 16 December 2023.
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.
QNI Minor testing (NSW to Qld) 16th December 2023
Refer to market notice 110640
There is an opportunity for testing QNI Minor for flows from NSW to Qld up to 750 MW on Tuesday 16th December from 0930 to 1800hrs.
This test includes a trip and reclose of a line in northern NSW.
Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade
Ben Blake
AEMO Operations
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 15/12/2023 21:59
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 112379
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312151745_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 December 2023 17:45
Issued by Australian Energy Market Operator Ltd at 1745 hrs on 15 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.
Refer to market notice: 112393
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 1745 hrs on 15 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312151705_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 December 2023 17:05
Issued by Australian Energy Market Operator Ltd at 1705 hrs on 15 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.
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 1705 hrs on 15 December 2023.
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.
Cancellation of a Reclassification of a Non-Credible Contingency Event: Ross No.1 275 kV SVC and Ross No.4 275/132 kV transformer in QLD Region
Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event in the Qld region.
Based on the advice from the asset owner, AEMO considers the trip of the Ross No.1 275 kV SVC and Ross No.4 275/132 kV transformer is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.
Region: QLD
Elements: Ross No.1 275 kV SVC and Ross No.4 275/132 kV transformer.
Cancellation time: 1630 hrs 15/12/2023
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 109794
Manager NEM Real Time Operations
[EventId:202312151430_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 December 2023 14:30
Issued by Australian Energy Market Operator Ltd at 1430 hrs on 15 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.
Refer to market notice: 112378
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 1430 hrs on 15 December 2023.
This is an AEMO autogenerated Market Notice.