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[EventId:202503081500_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 08 March 2025 15:00
Issued by Australian Energy Market Operator Ltd at 1500 hrs on 8 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.
Refer to market notice: 125380
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 1500 hrs on 8 March 2025.
This is an AEMO autogenerated Market Notice.
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 08/03/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125374 is cancelled at 1345 hrs 08/03/2025.
Manager NEM Real Time Operations
[EventId:202503081310_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 08 March 2025 13:10
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 8 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.
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 1310 hrs on 8 March 2025.
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:202503081300_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 08 March 2025 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 8 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.
Refer to market notice: 125373
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 1300 hrs on 8 March 2025.
This is an AEMO autogenerated Market Notice.
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 09/03/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1830 hrs 09/03/2025 to 1930 hrs 09/03/2025.
The forecast capacity reserve requirement is 650 MW.
The minimum capacity reserve available is 593 MW.
Manager NEM Real Time Operations
[EventId:202503081210_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 08 March 2025 12:10
Issued by Australian Energy Market Operator Ltd at 1210 hrs on 8 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.
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 1210 hrs on 8 March 2025.
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.
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.
The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
Refer to Market Notice 125355.
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 and 2 cables of Directlink .
The following constraint set was invoked at 0620 hrs 07/03/2025
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 07/03/2025
Non-credible contingency event - NSW region - 07/03/2025
At 0612 hrs the following plant tripped.
Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink
AEMO did not instruct load shedding.
Approximately 7MW of bulk electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations