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116276POWER SYSTEM EVENTS23/04/2024 12:09:41 PM
Non-credible contingency event - VIC region - 23/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 23/04/2024
At 1056 hrs the MOPS 11 Gen TX 2 Bus 500kV CB and the Dundonnell WF 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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 23/04/2024
At 1056 hrs the MOPS 11 Gen TX 2 Bus 500kV CB and the Dundonnell WF 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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
116275INTER-REGIONAL TRANSFER23/04/2024 08:52:22 AM
Inter-regional transfer limit variation - Para No 1 SVC - SA region - 23/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Para No 1 SVC - SA region - 23/04/2024
At 0837 hrs 23/04/2024 there was an unplanned outage of Para No 1 SVC.
Constraint set(s) invoked: S-PA_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Para No 1 SVC - SA region - 23/04/2024
At 0837 hrs 23/04/2024 there was an unplanned outage of Para No 1 SVC.
Constraint set(s) invoked: S-PA_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
116273MARKET SYSTEMS22/04/2024 02:59:52 PM
CHG0088831 | Completed | Production | Identity Service Config Update in Production.
Change Number: CHG0088831
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Identity Service (IDS)
Change Title: Identity Service Config Update in Production.
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: Identity Service (IDS)
Change Title: Identity Service Config Update in Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
116272INTER-REGIONAL TRANSFER22/04/2024 02:55:17 PM
Inter-regional transfer limit variation -Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1700 hrs 22/04/2024.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1450 hrs 22/04/2024
Constraint set(s) revoked: N-LDTM_82_OPEN
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1700 hrs 22/04/2024.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1450 hrs 22/04/2024
Constraint set(s) revoked: N-LDTM_82_OPEN
Manager NEM Real Time Operations
116270INTER-REGIONAL TRANSFER22/04/2024 01:32:54 PM
Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024
At 1315 hrs 22/04/2024 there was an unplanned outage of Farrell - Sheffield Nos 1 and 2 220kV Lines.
The following constraint set(s) invoked at 1315 hrs 22/04/2024
T-X_FASH_C
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 - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024
At 1315 hrs 22/04/2024 there was an unplanned outage of Farrell - Sheffield Nos 1 and 2 220kV Lines.
The following constraint set(s) invoked at 1315 hrs 22/04/2024
T-X_FASH_C
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
116267MARKET SYSTEMS22/04/2024 11:44:45 AM
CHG0088138 | Completed | Production | Brisbane MarketNet Firewall Refresh
Change Number: CHG0088138
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
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: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
116259MARKET SYSTEMS22/04/2024 10:28:16 AM
Change Number: CHG0088121
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Production MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0088121 | Completed | Production | Production MSATS Lifecycle Maintenance
Change Number: CHG0088121
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Production MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
116209INTER-REGIONAL TRANSFER20/04/2024 12:10:41 AM
Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024
At 2341 hrs 19/04/2024 there was an unplanned outage of the Tailem Bend 275 kV Capacitor.
The following constraint set(s) invoked at 0005 hrs 20/04/2024
S-TBCP1
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 - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024
At 2341 hrs 19/04/2024 there was an unplanned outage of the Tailem Bend 275 kV Capacitor.
The following constraint set(s) invoked at 0005 hrs 20/04/2024
S-TBCP1
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
116208INTER-REGIONAL TRANSFER19/04/2024 05:09:45 PM
Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024
A planned outage of Murraylink interconnector was scheduled from 0800 hrs 24/03/2024 to 1700 hrs 27/04/2024.
The outage has been completed and Murraylink interconnector returned to service at 1710 hrs 19/04/2024
Constraint set(s) revoked: I-MURRAYLINK
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024
A planned outage of Murraylink interconnector was scheduled from 0800 hrs 24/03/2024 to 1700 hrs 27/04/2024.
The outage has been completed and Murraylink interconnector returned to service at 1710 hrs 19/04/2024
Constraint set(s) revoked: I-MURRAYLINK
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations