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Non-credible contingency event - VIC region - 28/08/2024
Non-credible contingency event - VIC region - 28/08/2024
At 0001 hrs the APD No1 Potline and the APD No 2 Potline tripped.
AEMO did not instruct load shedding.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 27/08/2024 23:50 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Network Augmentation Commissioned - VIC Region - 27/08/2024
Network Augmentation Commissioned - VIC Region - 27/08/2024
Cressy - Golden Plains No. 1 220 kV Line has been commissioned.
Golden Plains Terminal Station has been commissioned.
Manager NEM Real Time Operations
CHG0095127 | Completed | Pre-Production | Pre-Prod NEM Reform - RMI (Retail Market Improvements) MSATS and eMDM Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod NEM Reform - RMI (Retail Market Improvements) MSATS and eMDM Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0096175 | Production | EMMS Production Bay transfer
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer
Change Start Date & Time: 02/09/2024 09:00:00 AEST
Change End Date & Time: 04/09/2024 16:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: EMMS Bay transfer is scheduled for 3rd September is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.
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.
Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Cancellation - Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Refer AEMO Electricity Market Notice 117831
To manage power system security in the Victoria region, AEMO invoked the following network constraint.
Constraint Set invoked from 10:40 hrs 27/08/2024 to 11:00 hrs 27/08/2024
I:SVML_120
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink 27/08/2024
Inter-Regional Transfer limit variation - Murraylink 27/08/2024
To manage power system security in the Victoria region, AEMO has invoked the following network constraint.
Constraint Set invoked at 10:40 HRS 27/08/2024
I:SVML_120
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 0530 hrs 27 Aug 2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible Contingency Event: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Cancellation of the reclassification of a Non-Credible Contingency Event: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Refer AEMO Electricity Market Notice 117212
AEMO considers the simultaneous trip of the following elements no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: NSW
Elements: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Cancellation time:: 1400 hrs 26/08/2024
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations