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Inter-regional transfer limit variation - Heywood - South East 1 275 kV Line - SA region - 22/07/2024
Inter-regional transfer limit variation - Heywood - South East 1 275 kV Line - SA region - 22/07/2024
A planned outage of Heywood - South East 1 275 kV Line in the SA region was scheduled from 0930 hrs 22/07/2024 to 1700 hrs 22/07/2024.
The outage has been cancelled.
Constraint set(s) revoked:
I-HYSE
I-VS+LKB_050
I-VS_050
S-SECB6611_10
S-SE_1CP
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale Coffs Harbour 96C 132kV LINE - NSW region - 20/07/2024
Inter-regional transfer limit variation - Armidale Coffs Harbour 96C 132kV LINE - NSW region - 20/07/2024
At 1422 hrs 20/07/2024 there was an unplanned outage of Armidale Coffs Harbour 96C 132kV LINE.
The following constraint set(s) invoked at 1430 hrs 20/07/2024
N-ARCH_96C
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
[EventId:202407201430_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 20 July 2024 14:30
Issued by Australian Energy Market Operator Ltd at 1430 hrs on 20 July 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 20 July 2024.
Refer to market notice: 117382
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 1430 hrs on 20 July 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202407201330_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 20 July 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 20 July 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 20 July 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 1330 hrs on 20 July 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.
Inter-regional transfer limit variation - Mitchell Singleton 95X 132kV LINE- NSW region - 20/07/2024
Inter-regional transfer limit variation - Mitchell Singleton 95X 132kV LINE- NSW region - 20/07/2024
At 1117 hrs 20/07/2024 there was an unplanned outage of Mitchell Singleton 95X 132kV LINE.
The following constraint set(s) invoked at 1250 hrs 20/07/2024
N-NIL_RBKU_CLOSED
N-LDTM_82_CL
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Refer AEMO Electricity Market Notice 117372
AEMO has been notified that the controls to vary Directlink output are now available.
Constraint set I-CTRL_ISSUE_TE revoked at 1835 hrs.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Heywood interconnector - SA and Vic regions - 19/07/2024
Inter-regional transfer limit variation - Heywood interconnector - SA and Vic regions- 19/07/2024
Refer to reclassification Market notice 117373
The following constraint set(s) invoked at 1740 hrs 19/07/2024
I-SV_250 , I-VS_250
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_TE invoked from 1640 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Refer AEMO Electricity Market Notice 117368
AEMO has been notified that the controls to vary Directlink output are now available.
Constraint set I-CTRL_ISSUE_TE revoked at 1620 hrs.
Manager NEM Real Time Operations