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125543INTER-REGIONAL TRANSFER12/03/2025 07:03:39 AM
Inter-regional transfer limit variation - Waterloo - Hummocks 132kV Line - SA region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Waterloo - Hummocks 132kV Line - SA region - 12/03/2025
At 0641 hrs 12/03/2025 there was an unplanned outage of Waterloo - Hummocks 132kV Line.
The following constraint set(s) invoked at 0650 hrs 12/03/2025
S-HUWT
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 - Waterloo - Hummocks 132kV Line - SA region - 12/03/2025
At 0641 hrs 12/03/2025 there was an unplanned outage of Waterloo - Hummocks 132kV Line.
The following constraint set(s) invoked at 0650 hrs 12/03/2025
S-HUWT
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
125519MARKET SYSTEMS11/03/2025 10:38:45 AM
Inital - CHG0101808 - Pre-production EMMS database Maintainence activity
Change Number: CHG0101808
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.
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: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.
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 .
125518INTER-REGIONAL TRANSFER11/03/2025 10:05:53 AM
Inter-regional transfer limit variation - Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line - SA region - 11/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line - SA region - 11/03/2025
At 0917 hrs 11/03/2025 there was an unplanned outage of Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line.
The following constraint set(s) invoked at 0925 hrs 11/03/2025
S-KNPW and S-PWSE.
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 - Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line - SA region - 11/03/2025
At 0917 hrs 11/03/2025 there was an unplanned outage of Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line.
The following constraint set(s) invoked at 0925 hrs 11/03/2025
S-KNPW and S-PWSE.
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
125517POWER SYSTEM EVENTS11/03/2025 10:05:23 AM
Non-credible contingency event - SA region - 11/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 11/03/2025
At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.
AEMO did not instruct load shedding.
Approximately 3 MW of electrical load has been disconnected.
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 - 11/03/2025
At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.
AEMO did not instruct load shedding.
Approximately 3 MW of electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125366MARKET SYSTEMS07/03/2025 03:01:51 PM
Inital - CHG0101876 - Pre-Prod eMDM Hotfix Maintenance Release
Change Number: CHG0101876
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM Hotfix Maintenance Release
Change Start Date & Time: 12/03/2025 13:00:00
Change End Date & Time: 12/03/2025 17:00:00
Outage Start Date & Time: 12/03/2025 13:00:00
Outage End Date & Time: 12/03/2025 17:00:00
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM Hotfix Maintenance Release
Change Start Date & Time: 12/03/2025 13:00:00
Change End Date & Time: 12/03/2025 17:00:00
Outage Start Date & Time: 12/03/2025 13:00:00
Outage End Date & Time: 12/03/2025 17:00:00
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
125357INTER-REGIONAL TRANSFER07/03/2025 07:27:37 AM
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.
The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_VC1
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 - Lismore SVC - NSW region - 07/03/2025
At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.
The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_VC1
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
125356INTER-REGIONAL TRANSFER07/03/2025 06:44:20 AM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Refer to Market Notice 125355.
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 and 2 cables of Directlink .
The following constraint set was invoked at 0620 hrs 07/03/2025
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
Refer to Market Notice 125355.
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 and 2 cables of Directlink .
The following constraint set was invoked at 0620 hrs 07/03/2025
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
125355POWER SYSTEM EVENTS07/03/2025 06:40:37 AM
Non-credible contingency event - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 07/03/2025
At 0612 hrs the following plant tripped.
Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink
AEMO did not instruct load shedding.
Approximately 7MW of bulk electrical load has been disconnected.
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 - 07/03/2025
At 0612 hrs the following plant tripped.
Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink
AEMO did not instruct load shedding.
Approximately 7MW of bulk electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125312INTER-REGIONAL TRANSFER06/03/2025 11:29:23 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 and 2 Legs of Directlink.
The following constraint set was invoked at 1125 hrs 06/03/2025.
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 the No. 1 and 2 Legs of Directlink.
The following constraint set was invoked at 1125 hrs 06/03/2025.
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