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Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: 28/10/2024 15:39
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 119561
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Minimum System Load 1 (MSL1) in the VIC Region on 03/11/2024
Cancellation - MSL1- VIC Region at 1400 hrs 28/10/2024.
Refer to Market Notice 119497 for Forecast MSL1.
AEMO Operations
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 02/11/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 02/11/2024.
Minimum regional demand is forecast to be 1491 MW at 1230 hrs, and the advisory threshold is:
MSL1 = 1695 MW
MSL2 = 1195 MW
MSL3 = 695 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1100 hrs to 1330 hrs 02/11/2024.
AEMO Operations
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: 28/10/2024 11:33 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
Cancellation - MSL1- VIC Region at 1315 hrs 26/10/2024.
Cancellation - MSL1- VIC Region at 1315 hrs 26/10/2024.
Refer to Market Notice 119423 for MSL1.
Manager NEM Real Time Operations
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 26/10/2024
Update to Market Notice 119236 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 26/10/2024.
Minimum regional demand is forecast to be 1302 MW at 1230 hrs, and the advisory threshold is:
MSL1 - 1685 MW
MSL2 - 1185 MW
MSL3 - 685 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1000 hrs to 1400 hrs 26/10/2024.
AEMO Operations
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.
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: 25/10/2024 18:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119418
Auto-generated on behalf of Manager NEM Real Time Operations
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.
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: 25/10/2024 16:19 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 27/10/2024
Update to Market Notice 119315 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 27/10/2024.
Minimum regional demand is forecast to be 1732 MW at 1230 hrs, and the advisory threshold is:
MSL1 = 1795 MW
MSL2 = 1295 MW
MSL3 = 795 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1130 hrs to 1330 hrs 26/10/2024.
AEMO Operations