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Non-credible contingency event - QLD region - 16/04/2025
Refer market notice: 126577
Non-credible contingency event - QLD region - 16/04/2025
At 2110 hrs the Greenbank - Molendinar 8825 275kV line tripped at the Molendinar 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 is not known at this stage.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025
Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126559 is cancelled at 1811 hrs 14/04/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs
The capacity reserve requirement is 1588 MW
The minimum capacity reserve available is 1553 MW
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025
Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126487 is cancelled at 1910 hrs 10/04/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs
The capacity reserve requirement is 1585 MW
The minimum capacity reserve available is 1337 MW
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025
Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126458 is cancelled at 1845 hrs 09/04/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs
The capacity reserve requirement is 1549 MW
The minimum capacity reserve available is 1164 MW
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV line in QLD1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: QLD1
Lines: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV
Cancellation time: 06/04/2025 13:59
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 126379
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV line in QLD1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: QLD1
Lines: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV
Duration: 06/04/2025 12:55 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations