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Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 04/10/2024 20:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS due to bushfire.
AEMO no longer considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has cancelled the reclassification as a credible contingency event.
Region: TAS
Lines: Farrell - Reece No. 1 and No. 2 220kV lines
Cancellation time: 17:40 hrs 03/10/2024
Constraint set(s) invoked: F-T-FARE_N-2
Refer AEMO Electricity Market Notice 118589
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS due to bushfire.
Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS due to bushfire.
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: TAS
Lines: Farrell - Reece No. 1 and No. 2 220kV lines
Duration: 03/10/2024 1445 hrs until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
Cancellation of Reclassification of a Non-Credible Contingency Event: Glenrowan No1 66kV Bus- Vic region - 18/06/2024.
Cancellation of Reclassification of a Non-Credible Contingency Event: Glenrowan No1 66kV Bus- Vic region - 18/06/2024.
Refer AEMO Electricity Market Notice 117043
Based on advice from the asset owner, AEMO considers the trip of the following element is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: Vic
Equipment: Glenrowan No1 66kV Bus
Cancellation time: 1215 hrs 03/10/2024
Constraint set(s) revoked: Nil
Manager NEM Real Time Operations
Cancellation: Reclassification of a Non-Credible Contingency Event: Biloela -Biloela Tee 7110/2 132kV line and Biloela -Biloela Tee 7109/2 132kV line in QLD due to Other Threats.
AEMO considers the occurrence of a non-credible contingency event due to other threats advised in AEMO Electricity Market Notice 118563 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1930 hrs 02/10/2024.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Biloela -Biloela Tee 7110/2 132kV line and Biloela -Biloela Tee 7109/2 132kV line in QLD due to Other Threats.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Other Threats. 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: QLD
Lines: Biloela -Biloela Tee 7110/2 132kV line and Biloela -Biloela Tee 7109/2 132kV line
Duration:15:00 hrs 02/10/2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 30/09/2024 03:43
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118526
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2024 01:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 27/09/2024 17:53
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118485
Auto-generated on behalf of Manager NEM Real Time Operations