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127304POWER SYSTEM EVENTS27/05/2025 12:30:40 PM
Update - Non-credible contingency event - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 07/03/2025
Refer AEMO Electricity Market Notice 125536
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will no longer reclassify this event as a credible contingency event.
Region: NSW
Elements:
- Lismore132 - Mullumbimby 9U6 132kV Line
- Lismore132 - Mullumbimby 9U7 132kV Line
- Ewingsdale - Mullumbimby 9G5 132kV Line
Duration: 1730 hrs 11/03/2025 until 1230 hrs 27/05/2025
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 07/03/2025
Refer AEMO Electricity Market Notice 125536
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will no longer reclassify this event as a credible contingency event.
Region: NSW
Elements:
- Lismore132 - Mullumbimby 9U6 132kV Line
- Lismore132 - Mullumbimby 9U7 132kV Line
- Ewingsdale - Mullumbimby 9G5 132kV Line
Duration: 1730 hrs 11/03/2025 until 1230 hrs 27/05/2025
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
127301INTER-REGIONAL TRANSFER27/05/2025 03:50:02 AM
Inter-regional transfer limit variation - Brinkworth - Templers West 275 kV line - SA region - 27/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Brinkworth - Templers West 275 kV line - SA region - 27/05/2025
At 0337 hrs 27/05/2025 there was an unplanned outage of Brinkworth - Templers West 275 kV line.
The following constraint set(s) invoked at 0340 hrs 27/05/2025
S-BRTW
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Brinkworth - Templers West 275 kV line - SA region - 27/05/2025
At 0337 hrs 27/05/2025 there was an unplanned outage of Brinkworth - Templers West 275 kV line.
The following constraint set(s) invoked at 0340 hrs 27/05/2025
S-BRTW
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127264INTER-REGIONAL TRANSFER26/05/2025 08:24:35 AM
Inter-regional transfer limit variation - Woolooga No. 4 275 kV SVC - QLD region - 26/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Woolooga No. 4 275 kV SVC - QLD region - 26/05/2025
At 0808 hrs 26/05/2025 there was an unplanned outage of Woolooga No. 4 275 kV SVC.
The following constraint set(s) invoked at 0815 hrs 26/05/2025
Q-WO_VC
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 - Woolooga No. 4 275 kV SVC - QLD region - 26/05/2025
At 0808 hrs 26/05/2025 there was an unplanned outage of Woolooga No. 4 275 kV SVC.
The following constraint set(s) invoked at 0815 hrs 26/05/2025
Q-WO_VC
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
127116INTER-REGIONAL TRANSFER18/05/2025 10:10:14 AM
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
At 0916 hrs 18/05/2025 there was an unplanned outage of Black Range No.1 275 kV Series Capacitor.
The following constraint set(s) invoked at 0955 hrs 18/05/2025
S-BC_CP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
At 0916 hrs 18/05/2025 there was an unplanned outage of Black Range No.1 275 kV Series Capacitor.
The following constraint set(s) invoked at 0955 hrs 18/05/2025
S-BC_CP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127027INTER-REGIONAL TRANSFER13/05/2025 04:10:07 PM
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
At 1555 hrs 13/05/2025 there was an unplanned outage of North West Bend to Monash No. 2 132 kV Line.
The following constraint set(s) invoked at 1555 hrs 13/05/2025
S-NWCB6022+6023
S-MH_CB6153
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
At 1555 hrs 13/05/2025 there was an unplanned outage of North West Bend to Monash No. 2 132 kV Line.
The following constraint set(s) invoked at 1555 hrs 13/05/2025
S-NWCB6022+6023
S-MH_CB6153
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
126930INTER-REGIONAL TRANSFER07/05/2025 02:33:00 PM
Inter-regional transfer limit variation - Newcastle - Eraring (90) 330 kV line - NSW region - 07/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Newcastle - Eraring (90) 330 kV line - NSW region - 07/05/2025
A planned outage of Newcastle - Eraring (90) 330 kV line in the NSW region was scheduled from 0700 hrs 07/05/2025 to 1700 hrs 10/05/2025.
The outage has been completed and Newcastle - Eraring (90) 330 kV line returned to service at 1335 hrs 07/05/2025
Constraint set(s) revoked: N-ERNC_90
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Newcastle - Eraring (90) 330 kV line - NSW region - 07/05/2025
A planned outage of Newcastle - Eraring (90) 330 kV line in the NSW region was scheduled from 0700 hrs 07/05/2025 to 1700 hrs 10/05/2025.
The outage has been completed and Newcastle - Eraring (90) 330 kV line returned to service at 1335 hrs 07/05/2025
Constraint set(s) revoked: N-ERNC_90
Manager NEM Real Time Operations
126903INTER-REGIONAL TRANSFER06/05/2025 12:59:40 PM
Inter-regional transfer limit variation - South East - Tailem Bend No. 2 275 kV Line - SA region - 06/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - South East - Tailem Bend No. 2 275 kV Line - SA region - 06/05/2025
At 1300 hrs 06/05/2025 there was a short notice outage of South East - Tailem Bend No. 2 275 kV Line .
The following constraint set(s) invoked at 1300 hrs 06/05/2025
S-TBSE
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,NSW1-QLD1,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South East - Tailem Bend No. 2 275 kV Line - SA region - 06/05/2025
At 1300 hrs 06/05/2025 there was a short notice outage of South East - Tailem Bend No. 2 275 kV Line .
The following constraint set(s) invoked at 1300 hrs 06/05/2025
S-TBSE
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,NSW1-QLD1,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
126871INTER-REGIONAL TRANSFER05/05/2025 01:52:26 PM
Inter-regional transfer limit variation - Greenbank - Mudgeeraba No. 836 275 kV Line - QLD region - 05/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Greenbank - Mudgeeraba No. 836 275 kV Line - QLD region - 05/05/2025
At 1336 hrs 05/05/2025 there was an unplanned outage of Greenbank - Mudgeeraba No. 836 275 kV Line.
The following constraint set(s) invoked at 1340 hrs 05/05/2025
Q-GBMU_835_836
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Greenbank - Mudgeeraba No. 836 275 kV Line - QLD region - 05/05/2025
At 1336 hrs 05/05/2025 there was an unplanned outage of Greenbank - Mudgeeraba No. 836 275 kV Line.
The following constraint set(s) invoked at 1340 hrs 05/05/2025
Q-GBMU_835_836
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
126853INTER-REGIONAL TRANSFER03/05/2025 04:11:50 PM
Inter-regional transfer limit variation - South Morang - Thomastown No 2 220 kV Line - VIC region - 03/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation -South Morang - Thomastown No 2 220 kV Line - VIC region - 03/05/2025
A planned outage of South Morang - Thomastown No 2 220 kV Line in the VIC region was scheduled from 0629 hrs 03/05/2025 to 1830 hrs 03/05/2025.
The outage has been completed and South Morang - Thomastown No 2 220 kV Line returned to service at 1615 hrs 03/05/2025
Constraint set(s) revoked: V-SMTT2
Manager NEM Real Time Operations
Inter-regional transfer limit variation -South Morang - Thomastown No 2 220 kV Line - VIC region - 03/05/2025
A planned outage of South Morang - Thomastown No 2 220 kV Line in the VIC region was scheduled from 0629 hrs 03/05/2025 to 1830 hrs 03/05/2025.
The outage has been completed and South Morang - Thomastown No 2 220 kV Line returned to service at 1615 hrs 03/05/2025
Constraint set(s) revoked: V-SMTT2
Manager NEM Real Time Operations