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Inter-regional transfer limit variation - [outage element] - NSW region - 04/07/2024
Inter-regional transfer limit variation - Lismore - Dunoon 9U7 132 kV line - NSW region - 04/07/2024
A planned outage of Lismore - Dunoon 9U7 132 kV line in the NSW region was scheduled from 0732 hrs 02/07/2024 to 1700 hrs 19/07/2024.
The outage has been completed and Lismore - Dunoon 9U7 132 kV line returned to service at 1105 hrs 04/07/2024
Constraint set(s) revoked: N-LSDU_9U6
This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 03/07/2024
Cancellation of Actual (LOR1) condition in the NSW region - 03/07/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.117284 is cancelled at 2010 hrs 03/07/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/07/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/07/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 766 MW
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC - NSW region - 28/06/2024
Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC- NSW region - 28/06/2024
At 1649 hrs 28/06/2024 there was a short notice outage of the Dumaresq No. 1 330kV SVC.
The following constraint set invoked at 1650 hrs 28/06/2024
N-DM_SVC
This constraint set 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
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
Refer AEMO Electricity Market Notice 117239.
Constraint set CA_SYDS_5590C0E2 revoked 1530 hrs.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024
Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024
At 1407 hrs 28/06/2024 there was an unplanned outage of Liddell to Tomago 82 330kV Line.
The following constraint set invoked at 1415 hrs 28/06/2024
N-LDTM_82_OPEN
This constraint set 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
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_5590C0E2 from 1355hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 27/06/2024
Non-credible contingency event - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Heywood - South East No 2 275 kV Line - SA region - 26/06/2024
Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/06/2024
A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0815 hrs 26/06/2024 to 1930 hrs 26/06/2024.
The outage has been completed and Heywood - South East No 2 275 kV Line returned to service at 1410 hrs 26/06/2024
Constraint set(s) revoked:
I-HYSE
I-VS_050
I-VS+LKB_050
Manager NEM Real Time Operations