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67779RECLASSIFY CONTINGENCY16/03/2019 04:29:15 PM
Reclassification of a Non-Credible Contingency Event: Moranbah - Goonyella No.7370 132 kV line and Moranbah - Goonyella No.7369 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Duration: 16/03/2019 16:29 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Duration: 16/03/2019 16:29 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
67778RECLASSIFY CONTINGENCY16/03/2019 04:14:40 PM
Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 16/03/2019 16:14
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 67777
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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 16/03/2019 16:14
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 67777
Auto-generated on behalf of Manager NEM Real Time Operations
67777RECLASSIFY CONTINGENCY16/03/2019 02:12:50 PM
Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 16/03/2019 14:12 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 16/03/2019 14:12 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
67776GENERAL NOTICE16/03/2019 11:06:46 AM
Update - Lightning vulnerable lines in Tas region
AEMO ELECTRICITY MARKET NOTICE
Update - Lightning vulnerable lines in Tas region
At 0059 hrs 18/02/2019 the Sheffield - Devonport and the Sheffield - Wesley Vale 110kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715 section 11, AEMO now considers tthe Sheffield - Devonport and the Sheffield - Wesley Vale 110kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable lines in Tas region
At 0059 hrs 18/02/2019 the Sheffield - Devonport and the Sheffield - Wesley Vale 110kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715 section 11, AEMO now considers tthe Sheffield - Devonport and the Sheffield - Wesley Vale 110kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
67775INTER-REGIONAL TRANSFER16/03/2019 07:11:52 AM
Inter-Regional Transfer limit variation Greenbank SVC Qld region - 16/03/2019
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation Greenbank SVC Qld region - 16/03/2019
At 0700 hrs there was an unplanned outage of the Greenbank SVC in the Queensland region.
Constraint set Q-GB_VC invoked from 0710 hrs until further notice.
This constraint set contains equations with the following interconnectors on the LHS.
NSW1-QLD1
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation Greenbank SVC Qld region - 16/03/2019
At 0700 hrs there was an unplanned outage of the Greenbank SVC in the Queensland region.
Constraint set Q-GB_VC invoked from 0710 hrs until further notice.
This constraint set contains equations with the following interconnectors on the LHS.
NSW1-QLD1
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
67774RECLASSIFY CONTINGENCY15/03/2019 07:54:40 PM
Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 15/03/2019 19:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 67767
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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 15/03/2019 19:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 67767
Auto-generated on behalf of Manager NEM Real Time Operations
67773RECLASSIFY CONTINGENCY15/03/2019 06:49:40 PM
Cancellation of a Non-Credible Contingency Event: Moranbah - Goonyella No.7370 132 kV line and Moranbah - Goonyella No.7369 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Cancellation time: 15/03/2019 18:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 67771
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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Cancellation time: 15/03/2019 18:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 67771
Auto-generated on behalf of Manager NEM Real Time Operations
67772RECLASSIFY CONTINGENCY15/03/2019 06:34:41 PM
Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 15/03/2019 18:34
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 67768
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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 15/03/2019 18:34
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 67768
Auto-generated on behalf of Manager NEM Real Time Operations
67771RECLASSIFY CONTINGENCY15/03/2019 05:46:26 PM
Reclassification of a Non-Credible Contingency Event: Moranbah - Goonyella No.7370 132 kV line and Moranbah - Goonyella No.7369 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Duration: 15/03/2019 17:46 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV
Duration: 15/03/2019 17:46 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations