Filter by:
Filter by category
Filter by Date
From
To
128160POWER SYSTEM EVENTS18/07/2025 08:49:29 AM
Non-credible contingency event - QLD region - 18/07/2025
AEMO ELECTRICITY MARKET NOTICE.
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
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
128151INTER-REGIONAL TRANSFER17/07/2025 03:15:24 PM
Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
128134INTER-REGIONAL TRANSFER16/07/2025 01:32:26 PM
Inter-regional transfer limit variation - Heywood M1 Transformer - VIC region - 16/07/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
128105INTER-REGIONAL TRANSFER12/07/2025 10:59:10 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
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
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
128104INTER-REGIONAL TRANSFER12/07/2025 09:47:24 PM
Inter-regional transfer limit variation - Braemar (R2) No.1 330/275 kV Transformer - QLD region - 12/07/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Braemar (R2) No.1 330/275 kV Transformer - QLD region - 12/07/2025
At 2145 hrs 12/07/2025 there was an unplanned outage of Braemar (R2) No.1 330/275 kV Transformer.
The following constraint set(s) invoked at 2145 hrs 12/07/2025
Q-BRTX1
This constraint set(s) 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
Inter-regional transfer limit variation - Braemar (R2) No.1 330/275 kV Transformer - QLD region - 12/07/2025
At 2145 hrs 12/07/2025 there was an unplanned outage of Braemar (R2) No.1 330/275 kV Transformer.
The following constraint set(s) invoked at 2145 hrs 12/07/2025
Q-BRTX1
This constraint set(s) 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
128098INTER-REGIONAL TRANSFER12/07/2025 01:52:13 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 2 Leg of Directlink .
The following constraint set was invoked at 1350 hrs 12/07/2025
N-X_MBTE_2
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
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 2 Leg of Directlink .
The following constraint set was invoked at 1350 hrs 12/07/2025
N-X_MBTE_2
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
127875INTER-REGIONAL TRANSFER27/06/2025 08:07:05 AM
Inter-regional transfer limit variation - Taree to Pt Macquarie 964 132kV Line- NSW region - 27/06/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Taree to Pt Macquarie 964 132kV Line - NSW region - 27/06/2025
At 0800 hrs 27/06/2025 there was a short notice outage of Taree to Pt Macquarie 964 132kV Line.
The following constraint set(s) invoked at 0755 hrs 27/06/2025
N-TAPM_964
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 - Taree to Pt Macquarie 964 132kV Line - NSW region - 27/06/2025
At 0800 hrs 27/06/2025 there was a short notice outage of Taree to Pt Macquarie 964 132kV Line.
The following constraint set(s) invoked at 0755 hrs 27/06/2025
N-TAPM_964
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
127743INTER-REGIONAL TRANSFER23/06/2025 05:44:44 PM
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
At 1719 hrs 23/06/2025 there was an unplanned outage of Darlington Point - Wagga No.63 330 kV line. The Darlington Point - Balranald No. X5 220 kV line consequently tripped due to a control scheme for the trip of the above line as per design.
The following constraint set(s) invoked at 1725 hrs 23/06/2025
N-DPWG_63_X5
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Darlington Point - Wagga No.63 330 kV line - NSW region - 23/06/2025
At 1719 hrs 23/06/2025 there was an unplanned outage of Darlington Point - Wagga No.63 330 kV line. The Darlington Point - Balranald No. X5 220 kV line consequently tripped due to a control scheme for the trip of the above line as per design.
The following constraint set(s) invoked at 1725 hrs 23/06/2025
N-DPWG_63_X5
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127676INTER-REGIONAL TRANSFER20/06/2025 08:17:01 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink .
The following constraint set was invoked at 2020 hrs 20/06/2025
N-MBTE_1
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
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink .
The following constraint set was invoked at 2020 hrs 20/06/2025
N-MBTE_1
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