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123406POWER SYSTEM EVENTS17/01/2025 02:46:41 PM
Update Non-credible contingency event - NSW region - 17/01/2025
AEMO ELECTRICITY MARKET NOTICE.
Update Non-credible contingency event - NSW region - 17/01/2025
Refer AEMO Electricity Market Notice 123404
At 0825 hrs the Buronga 330 kV B Bus 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
Update Non-credible contingency event - NSW region - 17/01/2025
Refer AEMO Electricity Market Notice 123404
At 0825 hrs the Buronga 330 kV B Bus 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
123404POWER SYSTEM EVENTS17/01/2025 10:11:09 AM
Non-credible contingency event - NSW region - 17/01/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 17/01/2025
At 0825 hrs the Buronga 330 kV B Bus 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 17/01/2025
At 0825 hrs the Buronga 330 kV B Bus 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
123382INTER-REGIONAL TRANSFER16/01/2025 02:40:39 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 16/01/2025
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_BRIS_569B1432 from 1425 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_BRIS_569B1432 from 1425 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
123354POWER SYSTEM EVENTS15/01/2025 10:45:07 PM
Non-credible contingency event - NSW region - 15/01/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 15/01/2025
At 2019 hrs the Tomago - Taree (963) 132kV line and the Tomago - Brandy Hill (96C) 132kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 80 MW 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 - NSW region - 15/01/2025
At 2019 hrs the Tomago - Taree (963) 132kV line and the Tomago - Brandy Hill (96C) 132kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 80 MW of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
123334INTER-REGIONAL TRANSFER15/01/2025 05:12:38 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 15/01/2025
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5699E75F from 1655 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
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5699E75F from 1655 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
123276INTER-REGIONAL TRANSFER15/01/2025 02:21:49 PM
Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025
At 1400 hrs 15/01/2025 there was an unplanned outage of Murray - Lower Tumut 330 kV 66 line.
The following constraint set(s) invoked at 1415 hrs 15/01/2025
I-LTMS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,V-S-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025
At 1400 hrs 15/01/2025 there was an unplanned outage of Murray - Lower Tumut 330 kV 66 line.
The following constraint set(s) invoked at 1415 hrs 15/01/2025
I-LTMS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,V-S-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123273INTER-REGIONAL TRANSFER15/01/2025 02:28:14 PM
Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025
At 1358 hrs 15/01/2025 there was an unplanned outage of Lower Tumut - Yass 330 kV 03 Line.
The following constraint set(s) invoked at 1400 hrs 15/01/2025
N-X_LTYS_MNYS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025
At 1358 hrs 15/01/2025 there was an unplanned outage of Lower Tumut - Yass 330 kV 03 Line.
The following constraint set(s) invoked at 1400 hrs 15/01/2025
N-X_LTYS_MNYS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123269INTER-REGIONAL TRANSFER15/01/2025 02:25:37 PM
Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025
At 1337 hrs 15/01/2025 there was an unplanned outage of Muswellbrook 330/132 kV Transformer 1.
The following constraint set(s) invoked at 1355 hrs 15/01/2025
N-MUTW_88
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025
At 1337 hrs 15/01/2025 there was an unplanned outage of Muswellbrook 330/132 kV Transformer 1.
The following constraint set(s) invoked at 1355 hrs 15/01/2025
N-MUTW_88
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123178RESERVE NOTICE13/01/2025 06:15:43 PM
Cancellation of Actual (LOR2) condition in the NSW region - 13/01/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR2) condition in the NSW region - 13/01/2025
The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.123176 is cancelled at 1815 hrs 13/01/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR2) condition in the NSW region - 13/01/2025
The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.123176 is cancelled at 1815 hrs 13/01/2025.
Manager NEM Real Time Operations