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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
123164INTER-REGIONAL TRANSFER13/01/2025 03:13:49 PM
Inter-regional transfer limit variation - Kemps Creek No.3 Transformer - NSW region - 13/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Kemps Creek No.3 Transformer - NSW region - 13/01/2025
A planned outage of Kemps Creek No.3 Transformer in the NSW region was scheduled from 1330 hrs 23/12/2024 to 1330 hrs 15/01/2025.
The outage has been completed and Kemps Creek No.3 Transformer returned to service at 1419 hrs 13/01/2025
Constraint set(s) revoked: N-KC_TX
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Kemps Creek No.3 Transformer - NSW region - 13/01/2025
A planned outage of Kemps Creek No.3 Transformer in the NSW region was scheduled from 1330 hrs 23/12/2024 to 1330 hrs 15/01/2025.
The outage has been completed and Kemps Creek No.3 Transformer returned to service at 1419 hrs 13/01/2025
Constraint set(s) revoked: N-KC_TX
Manager NEM Real Time Operations
123079INTER-REGIONAL TRANSFER12/01/2025 10:18:12 AM
Inter-regional transfer limit variation - Armidale-Sapphire 8E 330 kV line - NSW region - 12/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale-Sapphire 8E 330 kV line - NSW region - 12/01/2025
A planned outage of Armidale-Sapphire 8E 330 kV line in the NSW region was scheduled from 0500 hrs 12/01/2025 to 1700 hrs 12/01/2025.
The outage has been completed and Armidale-Sapphire 8E 330kV line returned to service at 1015 hrs 12/01/2025
Constraint set(s) revoked:
N-ARSR_8E
N-DM_SVC
N-TW_SVC
N-X_8E+DM+TW+LS_SVC
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale-Sapphire 8E 330 kV line - NSW region - 12/01/2025
A planned outage of Armidale-Sapphire 8E 330 kV line in the NSW region was scheduled from 0500 hrs 12/01/2025 to 1700 hrs 12/01/2025.
The outage has been completed and Armidale-Sapphire 8E 330kV line returned to service at 1015 hrs 12/01/2025
Constraint set(s) revoked:
N-ARSR_8E
N-DM_SVC
N-TW_SVC
N-X_8E+DM+TW+LS_SVC
Manager NEM Real Time Operations
123036INTER-REGIONAL TRANSFER11/01/2025 01:11:48 PM
Inter-regional transfer limit variation - [outage element] - TAS region - 11/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - [outage element] - TAS region - 11/01/2025
At 1233 hrs 11/01/2025 there was an unplanned outage of Gordon - Chapel St No 1 220 kV line. There was approximately 52 MW of load reduction at Nyrstar.
The following constraint set(s) were invoked at 1240 hrs
F-T-CSGO
T-CSGO
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - [outage element] - TAS region - 11/01/2025
At 1233 hrs 11/01/2025 there was an unplanned outage of Gordon - Chapel St No 1 220 kV line. There was approximately 52 MW of load reduction at Nyrstar.
The following constraint set(s) were invoked at 1240 hrs
F-T-CSGO
T-CSGO
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
122985INTER-REGIONAL TRANSFER09/01/2025 12:50:38 PM
Inter-regional transfer limit variation - Armidale-Uralla 8U 330kV Line - NSW region - 09/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale-Uralla 8U 330kV Line - NSW region - 09/01/2025
A planned outage of Armidale-Uralla 8U 330kV Line in the NSW region was scheduled from 0500 hrs 09/01/2025 to 1700 hrs 09/01/2025.
The outage has been completed and Armidale-Uralla 8U 330kV Line returned to service at 1250 hrs 09/01/2025
Constraint set revoked: N-ARUL_8U
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale-Uralla 8U 330kV Line - NSW region - 09/01/2025
A planned outage of Armidale-Uralla 8U 330kV Line in the NSW region was scheduled from 0500 hrs 09/01/2025 to 1700 hrs 09/01/2025.
The outage has been completed and Armidale-Uralla 8U 330kV Line returned to service at 1250 hrs 09/01/2025
Constraint set revoked: N-ARUL_8U
Manager NEM Real Time Operations