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112922RECLASSIFY CONTINGENCY30/12/2023 03:12:44 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: 30/12/2023 15:12 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: 30/12/2023 15:12 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
112913RECLASSIFY CONTINGENCY30/12/2023 04:43:14 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers in Qld Region due to lighting
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the 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 elements. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD
Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers
Cancellation time: 1645 hrs 30/12/2023
Constraint set(s) revoked: Q-MR_TX2_3_N-2
Refer AEMO Electricity Market Notice 112911
Manager NEM Real Time Operations
Cancellation of the 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 elements. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD
Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers
Cancellation time: 1645 hrs 30/12/2023
Constraint set(s) revoked: Q-MR_TX2_3_N-2
Refer AEMO Electricity Market Notice 112911
Manager NEM Real Time Operations
112911RECLASSIFY CONTINGENCY30/12/2023 09:09:04 AM
Reclassification of a Non-Credible Contingency Event: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers in Qld Region due to lighting
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to lightning.
AEMO considers the simultaneous trip of the following elements to now be reasonably possible. Accordingly AEMO has reclassified it as a non-credible contingency event.
Region: QLD1
Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers
Duration: 30/12/2023 08:50 until further notice
Constraint set(s) invoked: Q-MR_TX2_3_N-2
Constraint set contains the following interconnector(s) on the left hand side : Nil
Manager NEM Real Time Operations
AEMO considers the simultaneous trip of the following elements to now be reasonably possible. Accordingly AEMO has reclassified it as a non-credible contingency event.
Region: QLD1
Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers
Duration: 30/12/2023 08:50 until further notice
Constraint set(s) invoked: Q-MR_TX2_3_N-2
Constraint set contains the following interconnector(s) on the left hand side : Nil
Manager NEM Real Time Operations
112910RECLASSIFY CONTINGENCY29/12/2023 08:29:30 PM
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 29/12/2023 20:29
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 112908
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 29/12/2023 20:29
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 112908
Auto-generated on behalf of Manager NEM Real Time Operations
112909RECLASSIFY CONTINGENCY29/12/2023 07:54:30 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: 29/12/2023 19:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112881
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: 29/12/2023 19:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112881
Auto-generated on behalf of Manager NEM Real Time Operations
112908RECLASSIFY CONTINGENCY29/12/2023 07:23:55 PM
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 29/12/2023 19:23 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 29/12/2023 19:23 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
112907RECLASSIFY CONTINGENCY29/12/2023 07:09:30 PM
Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 29/12/2023 19:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112889
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 North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 29/12/2023 19:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112889
Auto-generated on behalf of Manager NEM Real Time Operations
112892RECLASSIFY CONTINGENCY29/12/2023 05:19:30 PM
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.
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 29/12/2023 17:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112887
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 29/12/2023 17:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112887
Auto-generated on behalf of Manager NEM Real Time Operations
112891RECLASSIFY CONTINGENCY29/12/2023 05:19:30 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: 29/12/2023 17:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112886
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: 29/12/2023 17:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112886
Auto-generated on behalf of Manager NEM Real Time Operations