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125278INTER-REGIONAL TRANSFER05/03/2025 04:48:22 PM
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/03/2025 to 1600 hrs 06/03/2025.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1635 hrs 05/03/2025
Constraint set(s) revoked: N-LDTM_82
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/03/2025 to 1600 hrs 06/03/2025.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1635 hrs 05/03/2025
Constraint set(s) revoked: N-LDTM_82
Manager NEM Real Time Operations
125277INTER-REGIONAL TRANSFER05/03/2025 04:18:40 PM
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
At 1603 hrs 05/03/2025 there was an unplanned outage of Ewingsdale-Mullumbimby 9G5 132kV line.
The following constraint set(s) invoked at 1615 hrs 05/03/2025
N-BAMB_132_OPEN
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
At 1603 hrs 05/03/2025 there was an unplanned outage of Ewingsdale-Mullumbimby 9G5 132kV line.
The following constraint set(s) invoked at 1615 hrs 05/03/2025
N-BAMB_132_OPEN
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
125275MARKET INTERVENTION05/03/2025 04:30:11 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125259
TORRB2 TORRENS ISLAN at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1630 hrs 05/03/2025.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125259
TORRB2 TORRENS ISLAN at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1630 hrs 05/03/2025.
Manager NEM Real Time Operations
125274MARKET INTERVENTION05/03/2025 04:00:26 PM
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125258
PPCCGT PELICAN POINT at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1600 hrs 05/03/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125258
PPCCGT PELICAN POINT at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1600 hrs 05/03/2025.
Manager NEM Real Time Operations
125273POWER SYSTEM EVENTS05/03/2025 02:03:49 PM
Update - Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was 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 - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was 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
125271MARKET SYSTEMS05/03/2025 01:11:21 PM
CHG0101704 - As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane
Change Number: CHG0101704
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.
Change Start Date & Time: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.
Change Start Date & Time: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
125270MARKET SYSTEMS05/03/2025 01:08:11 PM
CHG0101291 - There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage.
Change Number: CHG0101291
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: STTM - Scheduling & Dispatch - SPI
Change Title: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: STTM - Scheduling & Dispatch - SPI
Change Title: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
125268POWER SYSTEM EVENTS05/03/2025 11:57:45 AM
Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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 - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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
125267INTER-REGIONAL TRANSFER05/03/2025 10:51:27 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 the No 1 Leg of Directlink .
The following constraint set was invoked at 1040 hrs 05/03/2025
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 1 Leg of Directlink .
The following constraint set was invoked at 1040 hrs 05/03/2025
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