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Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025
Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025
At 1207 hrs 18/07/2025 there was an unplanned outage of S3 Greenbank 275 kV SVC.
The following constraint set(s) invoked at 1215 hrs 18/07/2025
Q-GB_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 18/07/2025
Non-credible contingency event - QLD region - 18/07/2025
At 0825 hrs the H11_Nebo 275/132 kV No.1 Transformer was switched out on a planned outage and the H11_Nebo 275 kV SVC tripped.
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 - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025
Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025
A planned outage of Calvale-Halys 8810 275kV LINE in the QLD region was scheduled from 2300 hrs 15/07/2025 to 1600 hrs 18/07/2025.
The outage has been completed and Calvale-Halys 8810 275kV LINE returned to service at 1500 hrs 17/07/2025
Constraint set(s) revoked: Q-HACL
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/07/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1800 hrs 16/07/2025 to 1900 hrs 16/07/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1343 MW.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Heywood M1 Transformer - VIC region - 16/07/2025
Inter-regional transfer limit variation - Heywood M1 Transformer- VIC region - 16/07/2025
A planned outage of Heywood M1 Transformer in the VIC region was scheduled from 0700 hrs 16/07/2025 to 1800 hrs 16/07/2025.
The outage has been completed and Heywood M1 Transformer returned to service at 1335 hrs 16/07/2025
Constraint set(s) revoked: V-HYTX_M12
Manager NEM Real Time Operations
Network Augmentation Commissioned - NSW Region - 14/07/2025
Network Augmentation Commissioned - NSW Region - 14/07/2025
Commissioned:
Buronga No. 1 330 kV/330 kV phase shifting transformer
Buronga No. 2 330 kV/330 kV phase shifting transformer
Buronga No. 3 330 kV/330 kV phase shifting transformer
Buronga No. 4 330 kV/330 kV phase shifting transformer
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 128118 is cancelled at 1338 hrs 13/07/2025.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025
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 0800 hrs 14/07/2025 to 0930 hrs 14/07/2025.
The forecast capacity reserve requirement is 436 MW.
The minimum capacity reserve available is 325 MW.
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 2255 hrs 12/07/2025
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