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Non-credible contingency event - NSW region - 15/01/2025
Non-credible contingency event - NSW region - 15/01/2025
At 2019 hrs the Tomago - Taree (963) 132kV line and the Tomago - Brandy Hill (96C) 132kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 80 MW of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
[EventId:202501151800_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 January 2025 18:00
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 15 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 January 2025.
Refer to market notice: 123319
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 1800 hrs on 15 January 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202501151630_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 January 2025 16:30
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 15 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 January 2025.
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 1630 hrs on 15 January 2025.
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:202501151600_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 January 2025 16:00
Issued by Australian Energy Market Operator Ltd at 1600 hrs on 15 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 January 2025.
Refer to market notice: 123270
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 1600 hrs on 15 January 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202501151405_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 January 2025 14:05
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 15 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 January 2025.
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 1405 hrs on 15 January 2025.
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:202501141925_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 January 2025 19:25
Issued by Australian Energy Market Operator Ltd at 1925 hrs on 14 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 January 2025.
Refer to market notice: 123223
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 1925 hrs on 14 January 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202501141805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 January 2025 18:05
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 14 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 January 2025.
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 1805 hrs on 14 January 2025.
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:202501141300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 January 2025 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 14 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 January 2025.
Refer to market notice: 123198
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 1300 hrs on 14 January 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202501141135_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 January 2025 11:35
Issued by Australian Energy Market Operator Ltd at 1135 hrs on 14 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 January 2025.
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 1135 hrs on 14 January 2025.
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.