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117340RECLASSIFY CONTINGENCY13/07/2024 03:41:56 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: 13/07/2024 15:41 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: 13/07/2024 15:41 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
117339INTER-REGIONAL TRANSFER12/07/2024 09:00:58 PM
Inter-regional transfer limit variation - Robertstown - Tungkillo No.1 275 kV line - SA region - 12/07/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Robertstown - Tungkillo No.1 275 kV line - SA region - 12/07/2024
A planned outage of Robertstown - Tungkillo No.1 275 kV line in the SA region was scheduled to be completed at 1730 hrs 14/07/2024.
The outage has been completed and Robertstown - Tungkillo No.1 275 kV line returned to service at 2043 hrs 12/07/2024
Constraint set(s) revoked: S-RBTU
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Robertstown - Tungkillo No.1 275 kV line - SA region - 12/07/2024
A planned outage of Robertstown - Tungkillo No.1 275 kV line in the SA region was scheduled to be completed at 1730 hrs 14/07/2024.
The outage has been completed and Robertstown - Tungkillo No.1 275 kV line returned to service at 2043 hrs 12/07/2024
Constraint set(s) revoked: S-RBTU
Manager NEM Real Time Operations
117337NON-CONFORMANCE12/07/2024 07:55:20 AM
NON-CONFORMANCE Region QLD1 Friday, 12 July 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Friday, 12 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 12/07/2024 07:05 to 12/07/2024 07:55
Amount: -74 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Friday, 12 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 12/07/2024 07:05 to 12/07/2024 07:55
Amount: -74 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
117334INTER-REGIONAL TRANSFER10/07/2024 04:53:47 PM
Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
AEMO ELECTRICITY MARKET NOTICE
Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
Refer AEMO Electricity Market Notice 117333
AEMO has been notified that the controls to vary Murraylink output are now available.
Constraint set I-CTRL_ISSUE_ML revoked at 1655 hrs.
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
Refer AEMO Electricity Market Notice 117333
AEMO has been notified that the controls to vary Murraylink output are now available.
Constraint set I-CTRL_ISSUE_ML revoked at 1655 hrs.
Manager NEM Real Time Operations
117333INTER-REGIONAL TRANSFER10/07/2024 04:31:32 PM
Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_ML invoked from 1625 hrs.
The constraint set contains equations with the following interconnector on the LHS:
V-S-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_ML invoked from 1625 hrs.
The constraint set contains equations with the following interconnector on the LHS:
V-S-MNSP1
Manager NEM Real Time Operations
117332INTER-REGIONAL TRANSFER10/07/2024 03:51:45 PM
Inter-regional transfer limit variation - Coffs Harbour - Lismore (89) 330kV line - NSW region - 10/07/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Coffs Harbour - Lismore (89) 330kV line - NSW region - 10/07/2024
A planned outage of Coffs Harbour - Lismore (89) 330kV line in the NSW region was scheduled to return to service 0514 hrs 12/07/2024.
The outage has been completed and Coffs Harbour - Lismore (89) 330kV line returned to service at 1540 hrs 10/07/2024
Constraint set(s) revoked: N-CHLS_89 and N-DLETS_OS
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Coffs Harbour - Lismore (89) 330kV line - NSW region - 10/07/2024
A planned outage of Coffs Harbour - Lismore (89) 330kV line in the NSW region was scheduled to return to service 0514 hrs 12/07/2024.
The outage has been completed and Coffs Harbour - Lismore (89) 330kV line returned to service at 1540 hrs 10/07/2024
Constraint set(s) revoked: N-CHLS_89 and N-DLETS_OS
Manager NEM Real Time Operations
117331INTER-REGIONAL TRANSFER10/07/2024 12:24:27 PM
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
AEMO ELECTRICITY MARKET NOTICE
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Refer AEMO Electricity Market Notice 117330
AEMO has been notified that the controls to vary Directlink output are now available.
Constraint set I-CTRL_ISSUE_TE revoked at 1220 hrs.
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).
Refer AEMO Electricity Market Notice 117330
AEMO has been notified that the controls to vary Directlink output are now available.
Constraint set I-CTRL_ISSUE_TE revoked at 1220 hrs.
Manager NEM Real Time Operations
117330INTER-REGIONAL TRANSFER10/07/2024 11:17:51 AM
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_TE invoked from 1120 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_TE invoked from 1120 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
Manager NEM Real Time Operations
117325INTER-REGIONAL TRANSFER08/07/2024 08:01:41 PM
Inter-regional transfer limit variation - Eraring - Newcastle 90 330kV Line - NSW region - 08/07/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Eraring - Newcastle 90 330kV Line - NSW region - 08/07/2024
At 1940 hrs 08/07/2024 there was an unplanned outage of Eraring - Newcastle 90 330kV Line
The following constraint set(s) invoked at 1950 hrs 08/07/2024
N-ERNC_90
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 - Eraring - Newcastle 90 330kV Line - NSW region - 08/07/2024
At 1940 hrs 08/07/2024 there was an unplanned outage of Eraring - Newcastle 90 330kV Line
The following constraint set(s) invoked at 1950 hrs 08/07/2024
N-ERNC_90
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