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111978RECLASSIFY CONTINGENCY03/12/2023 07:00:15 PM
Cancellation of a Non-Credible Contingency Event: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line
Cancellation time: 03/12/2023 19:00
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notice 111960
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: QLD1
Lines: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line
Cancellation time: 03/12/2023 19:00
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notice 111960
Manager NEM Real Time Operations
111977RECLASSIFY CONTINGENCY03/12/2023 06:48:55 PM
Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 03/12/2023 18:48
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 111975
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 03/12/2023 18:48
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 111975
Auto-generated on behalf of Manager NEM Real Time Operations
111975RECLASSIFY CONTINGENCY03/12/2023 05:47:10 PM
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 03/12/2023 17:47 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 03/12/2023 17:47 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
111974RECLASSIFY CONTINGENCY03/12/2023 05:30:10 PM
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 03/12/2023 17:30 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 03/12/2023 17:30 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
111972RECLASSIFY CONTINGENCY03/12/2023 05:08:55 PM
Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 03/12/2023 17:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 111958
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 03/12/2023 17:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 111958
Auto-generated on behalf of Manager NEM Real Time Operations
111971INTER-REGIONAL TRANSFER03/12/2023 04:38:17 PM
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.
The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1 - QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.
The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1 - QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
111965RECLASSIFY CONTINGENCY03/12/2023 03:28:22 PM
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 03/12/2023
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 03/12/2023
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Units 1,2,3 and 4 at Kareeya Power Station as a credible contingency event.
AEMO considers the simultaneous trip of Units 1,2,3 and 4 to now be more likely.
AEMO has reclassified this as a credible contingency event from 1500 hrs 03/12/2023 until further notice.
Constraint set(s) invoked: None
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 03/12/2023
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Units 1,2,3 and 4 at Kareeya Power Station as a credible contingency event.
AEMO considers the simultaneous trip of Units 1,2,3 and 4 to now be more likely.
AEMO has reclassified this as a credible contingency event from 1500 hrs 03/12/2023 until further notice.
Constraint set(s) invoked: None
Manager NEM Real Time Operations
111963RECLASSIFY CONTINGENCY03/12/2023 01:55:35 PM
Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV LINE line in QLD1 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: QLD1
Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 03/12/2023 13:55 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: QLD1
Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 03/12/2023 13:55 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
111960RECLASSIFY CONTINGENCY03/12/2023 01:35:23 PM
Reclassification of a Non-Credible Contingency Event: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line
Duration: 03/12/2023 13:30 until further notice
Constraint set(s) invoked: None
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: QLD1
Lines: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line
Duration: 03/12/2023 13:30 until further notice
Constraint set(s) invoked: None
Manager NEM Real Time Operations