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Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Manager NEM Real Time Operations
CHG0100111 | Completed | Pre-Production | Pre-Prod eMDM February Maintenance Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM February Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
INC0140978 - ALERT - Frequency Performance Payments (FPP) System
ALERT - Frequency Performance Payments (FPP) System
AEMO experienced service interruption relating to Frequency Performance Payments (FPP) System. The FPP System was unable to calculate & publish Contribution Factors (CFs) from 14:36 Hrs AEST on 9/02/2025 till 09:34 Hrs AEST on 10/02/2025.
The service interruption relating to Frequency Performance Payments (FPP) System has now been resolved.
Default Contribution Factors (DCFs) will be applicable for the trading intervals where CFs were not calculated.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.
The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 09/02/2025
Cancellation of Actual (LOR1) condition in the NSW region - 09/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124399 is cancelled at 1749 hrs 09/02/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/02/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/02/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1630 hrs.
The Actual LOR1 condition is forecast to exist until 1730 hrs
The capacity reserve requirement is 1320 MW
The minimum capacity reserve available is 1171 MW
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 07/02/2025
Cancellation of Actual (LOR1) condition in the NSW region - 07/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124305 is cancelled at 1940 hrs 07/02/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 07/02/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 07/02/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 2000 hrs
The capacity reserve requirement is 1370 MW
The minimum capacity reserve available is 936 MW
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 23/01/2025
Update - Non-credible contingency event - NSW region - 23/01/2025
Refer AEMO Electricity Market Notice 123615
At 0240 hrs on the 23/01/2025 there was a trip and auto reclose of the Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines
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