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Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 09/01/2026
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_BRIS_58730C07 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Mt England Tarong (8812) 275kV Line - QLD region - 08/01/2026
Inter-regional transfer limit variation - Mt England Tarong (8812) 275kV Line - QLD region - 08/01/2026
At 0240 hrs 08/01/2026 there was a short notice outage of Mt England Tarong (8812) 275kV Line.
The following constraint set(s) invoked at 0240 hrs 08/01/2026
Q-TRME
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 - Liverpool - Sydney South No. 12 330 kV Line - NSW region - 24/12/2025
Inter-regional transfer limit variation - Liverpool - Sydney South No. 12 330 kV Line - NSW region - 24/12/2025
At 1314 hrs 24/12/2025 there was a short notice outage of Liverpool - Sydney South No. 12 330 kV Line.
The following constraint set(s) invoked at 1315 hrs 24/12/2025
N-LPSS_12
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,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 - [outage element] - NSW region - 23/12/2025
Inter-regional transfer limit variation - [outage element] - NSW region - 23/12/2025
A planned outage of Tamworth 1 330kV SVC in the NSW region was scheduled from 0640 hrs 16/12/2025 to 1640 hrs 31/12/2025.
The outage has been completed and Tamworth 1 330kV SVC returned to service at 0845 hrs 23/12/2025
Constraint set(s) revoked: N-TW_SVC
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Directlnk DC2 80kV LINE- NSW region - 22/12/2025
Inter-regional transfer limit variation - Directlnk DC2 80kV LINE- NSW region - 22/12/2025
A planned outage of Directlnk DC2 80kV LINE in the NSW region was scheduled from 1520 hrs 21/12/2025 to 1700 hrs 22/12/2025.
The outage has been completed and Directlnk DC2 80kV LINE returned to service at 0910 hrs 22/12/2025
Constraint set(s) revoked: N-X_MBTE_1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Kemps Creek 500/330 kV #3 Transformer - NSW region - 20/12/2025
Inter-regional transfer limit variation - Kemps Creek 500/330 kV #3 Transformer - NSW region - 20/12/2025
At 2104 hrs 20/12/2025 there was an unplanned outage of Kemps Creek 500/330 kV #3 Transformer.
The following constraint set(s) invoked at 2115 hrs 20/12/2025
N-KC_TX
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
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 18/12/2025
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 131762 is cancelled at 1040 hrs 18/12/2025
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 18/12/2025
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1830 hrs 18/12/2025 to 1930 hrs 18/12/2025.
The maximum load (other than interruptible loads) forecast to be interrupted is 50 MW at approximately 1900 hrs.
AEMO is seeking a market response.
AEMO estimates the latest time at which it would need to intervene through an AEMO intervention event is 1300 hrs on 18/12/2025.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Halys-Braemar 8814 275kV LINE - QLD region - 18/12/2025
Inter-regional transfer limit variation - Halys-Braemar 8814 275kV LINE - QLD region - 18/12/2025
At 0759 hrs 18/12/2025 there was an unplanned outage of Halys-Braemar 8814 275kV LINE.
The following constraint set invoked at 0805 hrs 18/12/2025
Q-BRHA
This constraint set contains equations with the following interconnectors on the LHS.
NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations