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Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 16/04/2024
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_BRIS_55306556 from 1150 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Tamworth No1 SVC Protection system- NSW region - 15/04/2024
Inter-regional transfer limit variation - Tamworth No1 SVC Protection system - NSW region - 15/04/2024
At 1635 hrs 15/04/2024 there was a short notice outage of Tamworth No1 SVC protection system.
The following constraint set(s) invoked at 1650 hrs 15/04/2024
N-TW_SVC
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 - Tamworth No1 SVC - NSW region - 15/04/2024
Inter-regional transfer limit variation - Tamworth No1 SVC - NSW region - 15/04/2024
At 1155 hrs 15/04/2024 there was an unplanned outage of Tamworth No1 SVC.
The following constraint set(s) invoked at 1200 hrs 15/04/2024
N-TW_SVC
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 - Armidale 1 330kV SVC - NSW region - 15/04/2024
Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024
A planned outage of Armidale 1 330kV SVC in the NSW region was scheduled from 0700 hrs 15/04/2024 to 1500 hrs 20/04/2024.
The outage has been cancelled at 0700 hrs 15/04/2024
Constraint set(s) revoked: N-AR_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024
Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024
A planned outage of Hazelwood - South Morang No. 1 500 kV Line in the Vic region was scheduled from 0630 hrs 11/04/2024 to 1830 hrs 11/04/2024.
The outage has been completed and Hazelwood - South Morang No. 1 500 kV Line returned to service at 1450 hrs 11/04/2024.
Constraint set revoked: V-HWSM
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 Leg of Directlink .
The following constraint set was invoked at 0225 hrs 11/04/2024
N-X_MBTE_2
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
[EventId:202404041330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 April 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 4 April 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2024.
Refer to market notice: 115958
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 1330 hrs on 4 April 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202404041235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 April 2024 12:35
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 4 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2024.
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 1235 hrs on 4 April 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:202404021355_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 02 April 2024 13:55
Issued by Australian Energy Market Operator Ltd at 1355 hrs on 2 April 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 2024.
Refer to market notice: 115929
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 1355 hrs on 2 April 2024.
This is an AEMO autogenerated Market Notice.