Filter by:
Filter by category
Filter by Date
From
To
112003INTER-REGIONAL TRANSFER04/12/2023 04:44:47 PM
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.
Murraylink power transfer limit has been reduced based on APA advice, consistent with the high ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe).
Constraint sets I-SVML_165 and I-VSML_165 invoked from 1640 hrs.
The constraint set contains equations with the following interconnector on the LHS:
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.
Murraylink power transfer limit has been reduced based on APA advice, consistent with the high ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe).
Constraint sets I-SVML_165 and I-VSML_165 invoked from 1640 hrs.
The constraint set contains equations with the following interconnector on the LHS:
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
111971INTER-REGIONAL TRANSFER03/12/2023 04:38:17 PM
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.
The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_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 - H2 South Pine 275kV SVC - QLD region - 03/12/2023
At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.
The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_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
111848POWER SYSTEM EVENTS29/11/2023 03:22:48 PM
Non-credible contingency event - QLD region - 29/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 29/11/2023
At 1421 hrs the R2 Braemar No.4 275 kV Busbar and R2 Braemar - S5 Western Downs No.8820 275 kV Line 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 - 29/11/2023
At 1421 hrs the R2 Braemar No.4 275 kV Busbar and R2 Braemar - S5 Western Downs No.8820 275 kV Line 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
111796POWER SYSTEM EVENTS28/11/2023 01:52:36 PM
Update - Non-credible contingency event - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 28/11/2023
Refer AEMO Electricity Market Notice 111779
Based on revised information, at 0534 hrs the Tungkillo- Robertstown No.1 and No.2 275kV lines tripped simultaneously. At 0536 hrs the Robertstown No.1 and No.2 synchronous condensers tripped simultaneously as a result.
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
Update - Non-credible contingency event - SA region - 28/11/2023
Refer AEMO Electricity Market Notice 111779
Based on revised information, at 0534 hrs the Tungkillo- Robertstown No.1 and No.2 275kV lines tripped simultaneously. At 0536 hrs the Robertstown No.1 and No.2 synchronous condensers tripped simultaneously as a result.
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
111785INTER-REGIONAL TRANSFER28/11/2023 09:14:27 AM
Inter-regional transfer limit variation - North West Bend - Roberstown No.1 132 kV line - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - North West Bend - Roberstown No.1 132 kV line - SA region - 28/11/2023
At 0743 hrs 28/11/2023 there was an unplanned outage of North West Bend - Roberstown No,1 132 kV line .
Constraint set(s) invoked: S-NWRB
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 - Roberstown No.1 132 kV line - SA region - 28/11/2023
At 0743 hrs 28/11/2023 there was an unplanned outage of North West Bend - Roberstown No,1 132 kV line .
Constraint set(s) invoked: S-NWRB
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
111780INTER-REGIONAL TRANSFER28/11/2023 05:59:14 AM
Update - Inter-regional transfer limit variation - Tungkillo- Robertstown No.1 275kV line - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE
Update - Inter-regional transfer limit variation - Tungkillo- Robertstown No.1 275kV line - SA region - 28/11/2023
At 0547 hrs 28/11/2023 the Tungkillo- Robertstown No.1 275kV line was returned to service.
The following constraint set(s) was revoked at 0600hrs 28/11/2023
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation - Tungkillo- Robertstown No.1 275kV line - SA region - 28/11/2023
At 0547 hrs 28/11/2023 the Tungkillo- Robertstown No.1 275kV line was returned to service.
The following constraint set(s) was revoked at 0600hrs 28/11/2023
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Manager NEM Real Time Operations
111779POWER SYSTEM EVENTS28/11/2023 05:53:09 AM
Non-credible contingency event - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 28/11/2023
At 0536 hrs the Robertstown No1 syncon and the Robertstown No2 syncon tripped simultaneously.
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 - SA region - 28/11/2023
At 0536 hrs the Robertstown No1 syncon and the Robertstown No2 syncon tripped simultaneously.
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
111778INTER-REGIONAL TRANSFER28/11/2023 05:52:04 AM
Inter-regional transfer limit variation - Tungkillo- Robertstown 275kV line - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Tungkillo- Robertstown 275kV line - SA region - 28/11/2023
At 0535 hrs 28/11/2023 there was an unplanned outage of Tungkillo- Robertstown 275kV line.
The following constraint set(s) invoked at 0545 hrs 28/11/2023
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
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 - Tungkillo- Robertstown 275kV line - SA region - 28/11/2023
At 0535 hrs 28/11/2023 there was an unplanned outage of Tungkillo- Robertstown 275kV line.
The following constraint set(s) invoked at 0545 hrs 28/11/2023
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
111777INTER-REGIONAL TRANSFER28/11/2023 05:19:04 AM
Inter-regional transfer limit variation - Templers-Waterloo 132kV line - SA region - 28/11/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Templers-Waterloo 132kV line - SA region - 28/11/2023
At 0501 hrs 28/11/2023 there was an unplanned outage of Templers-Waterloo 132kV line.
The following constraint set(s) invoked at 0510 hrs 28/11/2023
S-X_WTTP+CB
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 - Templers-Waterloo 132kV line - SA region - 28/11/2023
At 0501 hrs 28/11/2023 there was an unplanned outage of Templers-Waterloo 132kV line.
The following constraint set(s) invoked at 0510 hrs 28/11/2023
S-X_WTTP+CB
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