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Correction - Non-credible contingency event - QLD region - 27/07/2024
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
Non-credible contingency event - QLD region - 27/07/2024
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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
Cancellation - Load Restoration Direction in the NSW Region - 08/07/2024
Cancellation - Load Restoration Direction in the NSW Region - 08/07/2024
Refer to AEMO Electricity Market Notice 117322
Load restoration as directed is complete. Direction cancelled from 2200 hrs 08/07/2024
Manager NEM Real Time Operations
Load Restoration Direction in the NSW Region
Load Restoration Direction in the NSW Region
AEMO has directed load restoration commencing at 1930 hrs 08/07/2024
in the NSW region
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 27/06/2024
Non-credible contingency event - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV 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 - NSW region - 25/06/2024
Non-credible contingency event - NSW region - 25/06/2024
At 0901 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV 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 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 - 18/06/2024
Non-credible contingency event - VIC region - 18/06/2024
At 0839 hrs the Glenrowan No1 66kV Bus 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
Non-credible contingency event - NSW region - 26/04/2024
Non-credible contingency event - NSW region - 26/04/2024
At 1112 hrs the Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS disconnected.
AEMO did not instruct load shedding.
AEMO observed 5 MW of electrical load lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 24/04/2024
Non-credible contingency event - QLD region - 24/04/2024
At 0855 hrs the Ross - Guybal Munjan 8916 275 kV line tripped at the Guybal Munjan end only.
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.
Manager NEM Real Time Operations