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119031RECLASSIFY CONTINGENCY18/10/2024 04:19:15 PM
Cancellation 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.
AEMO ELECTRICITY MARKET NOTICE
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 18/10/2024 16:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119022
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 18/10/2024 16:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119022
Auto-generated on behalf of Manager NEM Real Time Operations
119030RECLASSIFY CONTINGENCY18/10/2024 03:58:05 PM
Update - Non-credible contingency event - VIC region - 18/10/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 18/10/2024
Refer AEMO Electricity Market Notice 119029
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Duration: 1600 hrs 18/10/2024 until further notice
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 18/10/2024
Refer AEMO Electricity Market Notice 119029
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Duration: 1600 hrs 18/10/2024 until further notice
Manager NEM Real Time Operations
119029POWER SYSTEM EVENTS18/10/2024 03:48:56 PM
Non-credible contingency event - VIC region - 18/10/2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
119022RECLASSIFY CONTINGENCY18/10/2024 12:16:20 PM
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.
AEMO ELECTRICITY MARKET NOTICE
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: 18/10/2024 12:16 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 18/10/2024 12:16 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
119017RECLASSIFY CONTINGENCY18/10/2024 06:09:10 AM
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.
AEMO ELECTRICITY MARKET NOTICE
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: 18/10/2024 06:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119016
Auto-generated on behalf of Manager NEM Real Time Operations
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: 18/10/2024 06:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119016
Auto-generated on behalf of Manager NEM Real Time Operations
119016RECLASSIFY CONTINGENCY18/10/2024 05:06:08 AM
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.
AEMO ELECTRICITY MARKET NOTICE
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: 18/10/2024 05:05 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 18/10/2024 05:05 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
119015RECLASSIFY CONTINGENCY17/10/2024 10:39:37 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 119000
Manager NEM Real Time Operations
Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 119000
Manager NEM Real Time Operations
119014RECLASSIFY CONTINGENCY17/10/2024 10:38:41 PM
Cancellation of the 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 .
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 118937
Manager NEM Real Time Operations
Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 118937
Manager NEM Real Time Operations
119013RECLASSIFY CONTINGENCY17/10/2024 10:37:33 PM
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 118994 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 2230 hrs 17/10/2024.
Constraint set(s) revoked:
I-VS_250
Manager NEM Real Time Operations
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 118994 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 2230 hrs 17/10/2024.
Constraint set(s) revoked:
I-VS_250
Manager NEM Real Time Operations