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Request for Generator Recall Information for the period from 25/11/2024 to 26/11/2024 for NSW Region
Refer to AEMO Electricity Market Notice no. 120700, 120699 and 120698.
Please provide Generator Recall Information for the period from 25/11/2024 to 26/11/2024, by 1200 hrs on 21/11/2024 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf
Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 26/11/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 120671 has been updated at 2230 hrs on 19/11/2024 to the following:
[1.] From 1530 hrs 26/11/2024 to 1900 hrs 26/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 397 MW at 1800 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 26/11/2024
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1600 hrs to 1900 hrs 26/11/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 199 MW at 1730 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
Update - Non-credible contingency event - VIC region - 12/11/2024
Update - Non-credible contingency event - VIC region - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 kV bus 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
Non-credible contingency event - VIC region - 12/11/2024
Non-credible contingency event - VIC region - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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
Update - Non-credible contingency event - NSW region - 31/10/2024
Update - Non-credible contingency event - NSW region - 31/10/2024
Refer AEMO Electricity Market Notice 119689
At 0345 hrs the Wagga B 330 kV bus 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
Non-credible contingency event - NSW region - 31/10/2024
Non-credible contingency event - NSW region - 31/10/2024
At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.
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 - VIC region - 18/10/2024
Non-credible contingency event - VIC region - 18/10/2024
At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
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
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
Refer AEMO Electricity Market Notice 118321
At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.
This non-credible contingency event was caused by lightning. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Manager NEM Real Time Operations