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[EventId:202402132005_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 13 February 2024 20:05
Issued by Australian Energy Market Operator Ltd at 2005 hrs on 13 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 13 February 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 2005 hrs on 13 February 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.
[EventId:202402131900_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 13 February 2024 19:00
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 13 February 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 February 2024.
Refer to market notice: 114659
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1900 hrs on 13 February 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202402131730_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 13 February 2024 17:30
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 13 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 February 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1730 hrs on 13 February 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
[EventId:202402131630_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 13 February 2024 16:30
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 13 February 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 February 2024.
Refer to market notice: 114616
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1630 hrs on 13 February 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202402131630_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 13 February 2024 16:30
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 13 February 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 13 February 2024.
Refer to market notice: 114615
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1630 hrs on 13 February 2024.
This is an AEMO autogenerated Market Notice.
Significant power system event - Victoria Region - Hazelwood transformers -13/02/2024
At 1543 hrs 13/02/2024 At Hazelwood terminal station in the Victoria region the following plant tripped.
The No1 500 kV / 220 kV transformer
The No2 500 kV / 220 kV transformer
The No3 500 kV / 220 kV transformer
The No4 500 kV / 220 kV transformer
The Jeeralang Hazelwood No2 220kV line.
Refer Market notice 114641
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 13/02/2024
Non-credible contingency event - TAS region - 13/02/2024
At 1602 hrs the Norwood -Scottsdale 110kV line and the Norwood - Scottsdale -Derby 110kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised 8MW of electrical load and 24MW of generation has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024
Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024
The Actual LOR3 Condition in the VIC region advised in AEMO Electricity Market Notice No.114604 is cancelled at 1515 hrs 13/02/2024.
Manager NEM Real Time Operations
Significant power system event - Victoria region - 13/02/2024
At 1308 hrs 13/02/2024 the Moorabool Sydenham No1 and No2 500 kV lines tripped.
There have been reports of towers on the ground.
In the Victorian region
1000 MW of customer load lost during the fault has been restored
2690 Generation tripped
The AEMO instructed loadshed of 300 MW is being progressively restored.
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations