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122962INTER-REGIONAL TRANSFER08/01/2025 12:20:09 PM
Inter-regional transfer limit variation - Hummocks - Bungama - Snowtown 132kV Line - SA region - 08/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hummocks - Bungama - Snowtown 132kV Line - SA region - 08/01/2025
At 1210 hrs 08/01/2025 there was a short notice outage of Hummocks - Bungama - Snowtown 132kV Line.
The following constraint set(s) invoked at 1210 hrs 08/01/2025
S-HUBG
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 - Hummocks - Bungama - Snowtown 132kV Line - SA region - 08/01/2025
At 1210 hrs 08/01/2025 there was a short notice outage of Hummocks - Bungama - Snowtown 132kV Line.
The following constraint set(s) invoked at 1210 hrs 08/01/2025
S-HUBG
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
122961INTER-REGIONAL TRANSFER08/01/2025 12:09:21 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 08/01/2025
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_56906542 from 1155 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_56906542 from 1155 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
122920INTER-REGIONAL TRANSFER07/01/2025 03:36:39 AM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 07/01/2025
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_BRIS_5687999A from 0330 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
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 VIC region, AEMO has invoked automated constraint set CA_BRIS_5687999A from 0330 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
122699RECALL GEN CAPACITY02/01/2025 08:36:19 AM
Request for Generator Recall Information for the period 06/01/2025 for Region NSW
AEMO ELECTRICITY MARKET NOTICE
Refer to AEMO Electricity Market Notice no. 122697.
Please provide Generator Recall Information for the period 06/01/2025, by 1200 hrs on 03/01/2025 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf
Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf
AEMO Operations
Refer to AEMO Electricity Market Notice no. 122697.
Please provide Generator Recall Information for the period 06/01/2025, by 1200 hrs on 03/01/2025 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf
Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf
AEMO Operations
122515INTER-REGIONAL TRANSFER27/12/2024 03:03:14 PM
Inter-regional transfer limit variation - South East SVC - SA region - 27/12/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - South East SVC - SA region - 27/12/2024
At 1452 hrs 27/12/2024 there was an unplanned outage of the South East SVC.
The following constraint set(s) invoked at 1500 hrs 27/12/2024
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South East SVC - SA region - 27/12/2024
At 1452 hrs 27/12/2024 there was an unplanned outage of the South East SVC.
The following constraint set(s) invoked at 1500 hrs 27/12/2024
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
122487INTER-REGIONAL TRANSFER26/12/2024 08:50:33 AM
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 all of Directlink.
The following constraint set was invoked at 0840 hrs 26/12/2024
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 all of Directlink.
The following constraint set was invoked at 0840 hrs 26/12/2024
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
122444POWER SYSTEM EVENTS23/12/2024 08:40:02 PM
Update - Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
122442POWER SYSTEM EVENTS23/12/2024 04:44:55 PM
Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV 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 - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV 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
122326MARKET SYSTEMS20/12/2024 04:16:29 PM
INC0139532 | Impact to Prudentials
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - ALERT
The service interruption relating to Prudentials & Settlements have now been resolved.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
SERVICE INTERRUPTION - ALERT
The service interruption relating to Prudentials & Settlements have now been resolved.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager