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112844RECLASSIFY CONTINGENCY28/12/2023 03:03:15 PM
Cancellation of a Non-Credible Contingency Event: Tarong - Halys No.8868 and No.8869 275 kV lines in QLD1 due to Bushfire.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tarong - Halys No.8868 and No.8869 275 kV lines
Cancellation time: 28/12/2023 15:00
Constraint set(s) revoked:
Nil
Refer AEMO Electricity Market Notice 112837
Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tarong - Halys No.8868 and No.8869 275 kV lines
Cancellation time: 28/12/2023 15:00
Constraint set(s) revoked:
Nil
Refer AEMO Electricity Market Notice 112837
Manager NEM Real Time Operations
112843MARKET INTERVENTION28/12/2023 05:13:34 PM
Update - Direction - SA Region - 27/12/2023
AEMO ELECTRICITY MARKET NOTICE
Update - Direction - SA Region - 27/12/2023
Refer Market Notice 112823
The AEMO intervention event that commenced from interval ending 1505 hrs on 27/12/2023 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Update - Direction - SA Region - 27/12/2023
Refer Market Notice 112823
The AEMO intervention event that commenced from interval ending 1505 hrs on 27/12/2023 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
112840RECLASSIFY CONTINGENCY28/12/2023 02:46:20 PM
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Duration: 28/12/2023 14:46 until further notice
Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Duration: 28/12/2023 14:46 until further notice
Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
112838RECLASSIFY CONTINGENCY28/12/2023 02:20:43 PM
Reclassification of Non-Credible Contingency Event : Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers in SA region 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 be more likely and reasonably possible. Accordingly AEMO has reclassified it as credible contingency event.
Region: SA1
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers
Duration: 28/12/2023 14:25 hrs until further notice
Constraint set(s) revoked: S-RBTU+SCON_N-2
Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
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 be more likely and reasonably possible. Accordingly AEMO has reclassified it as credible contingency event.
Region: SA1
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers
Duration: 28/12/2023 14:25 hrs until further notice
Constraint set(s) revoked: S-RBTU+SCON_N-2
Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
Manager NEM Real Time Operations
112837RECLASSIFY CONTINGENCY28/12/2023 02:07:12 PM
Reclassification of a Non-Credible Contingency Event: Tarong - Halys No.8868 and No.8869 275kV lines in QLD due to bushfire.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event 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: QLD
Lines: Tarong - Halys No.8868 and No.8869 275kV lines in QLD
Duration: 28/12/2023 1400hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Reclassification of a non-credible contingency event as a credible contingency event 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: QLD
Lines: Tarong - Halys No.8868 and No.8869 275kV lines in QLD
Duration: 28/12/2023 1400hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
112836RECLASSIFY CONTINGENCY28/12/2023 02:06:03 PM
Reclassification of a Non-Credible Contingency Event: Tarong - Halys No.8870 and No.8871 275kV lines in QLD due to bushfire.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event 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: QLD
Lines: Tarong - Halys No.8870 and No.8871 275kV lines in QLD
Duration: 28/12/2023 1400hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Reclassification of a non-credible contingency event as a credible contingency event 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: QLD
Lines: Tarong - Halys No.8870 and No.8871 275kV lines in QLD
Duration: 28/12/2023 1400hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
112835RECLASSIFY CONTINGENCY28/12/2023 12:35:05 PM
Reclassification 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.
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 28/12/2023 12:35 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 28/12/2023 12:35 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
112834RECLASSIFY CONTINGENCY28/12/2023 12:35:14 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: 28/12/2023 12:35 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: 28/12/2023 12:35 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
112832RECLASSIFY CONTINGENCY27/12/2023 09:09:30 PM
Cancellation 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
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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Cancellation time: 27/12/2023 21:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112830
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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Cancellation time: 27/12/2023 21:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112830
Auto-generated on behalf of Manager NEM Real Time Operations