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127132RECLASSIFY CONTINGENCY19/05/2025 02:34:02 AM
Cancellation 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
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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 19/05/2025 02:33
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 127131
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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 19/05/2025 02:33
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 127131
Auto-generated on behalf of Manager NEM Real Time Operations
127131RECLASSIFY CONTINGENCY19/05/2025 01:33:11 AM
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: 19/05/2025 01:33 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: 19/05/2025 01:33 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
127129RECLASSIFY CONTINGENCY18/05/2025 05:49:04 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: 18/05/2025 17:48
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 127128
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: 18/05/2025 17:48
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 127128
Auto-generated on behalf of Manager NEM Real Time Operations
127128RECLASSIFY CONTINGENCY18/05/2025 04:46:31 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: 18/05/2025 16:46 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: 18/05/2025 16:46 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
127116INTER-REGIONAL TRANSFER18/05/2025 10:10:14 AM
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
At 0916 hrs 18/05/2025 there was an unplanned outage of Black Range No.1 275 kV Series Capacitor.
The following constraint set(s) invoked at 0955 hrs 18/05/2025
S-BC_CP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Black Range No.1 275 kV Series Capacitor - SA region - 18/05/2025
At 0916 hrs 18/05/2025 there was an unplanned outage of Black Range No.1 275 kV Series Capacitor.
The following constraint set(s) invoked at 0955 hrs 18/05/2025
S-BC_CP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127027INTER-REGIONAL TRANSFER13/05/2025 04:10:07 PM
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
At 1555 hrs 13/05/2025 there was an unplanned outage of North West Bend to Monash No. 2 132 kV Line.
The following constraint set(s) invoked at 1555 hrs 13/05/2025
S-NWCB6022+6023
S-MH_CB6153
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - North West Bend to Monash No. 2 132 kV Line - SA region - 13/05/2025
At 1555 hrs 13/05/2025 there was an unplanned outage of North West Bend to Monash No. 2 132 kV Line.
The following constraint set(s) invoked at 1555 hrs 13/05/2025
S-NWCB6022+6023
S-MH_CB6153
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
127008RESERVE NOTICE12/05/2025 08:39:09 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 15/05/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127006 is cancelled at 2035 hrs 12/05/2025
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127006 is cancelled at 2035 hrs 12/05/2025
AEMO Operations
127006RESERVE NOTICE12/05/2025 05:12:44 PM
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 15/05/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127003 has been updated at 1600 hrs 12/05/2025 to the following:
1. From 1130 hrs to 1200 hrs 15/05/2025.
The forecast capacity reserve requirement is 459 MW.
The minimum capacity reserve available is 457 MW.
2. From 1430 hrs to 1530 hrs 15/05/2025.
The forecast capacity reserve requirement is 467 MW.
The minimum capacity reserve available is 456 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127003 has been updated at 1600 hrs 12/05/2025 to the following:
1. From 1130 hrs to 1200 hrs 15/05/2025.
The forecast capacity reserve requirement is 459 MW.
The minimum capacity reserve available is 457 MW.
2. From 1430 hrs to 1530 hrs 15/05/2025.
The forecast capacity reserve requirement is 467 MW.
The minimum capacity reserve available is 456 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
127003RESERVE NOTICE12/05/2025 04:00:44 PM
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 15/05/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 126998 has been updated at 1500 hrs 12/05/2025 to the following:
From 1430 hrs to 1500 hrs 15/05/2025.
The forecast capacity reserve requirement is 461 MW.
The minimum capacity reserve available is 453 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 126998 has been updated at 1500 hrs 12/05/2025 to the following:
From 1430 hrs to 1500 hrs 15/05/2025.
The forecast capacity reserve requirement is 461 MW.
The minimum capacity reserve available is 453 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations