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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: 03/06/2025 00:30 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 of Actual (LOR1) condition in the NSW region - 02/06/2025
Cancellation of Actual (LOR1) condition in the NSW region - 02/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127357 is cancelled at 1815 hrs 02/06/2025.
Manager NEM Real Time Operations
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - All NEM regions.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127343 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1750 hrs 02/06/2025
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/06/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1740 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1773 MW.
The minimum capacity reserve available is 1559 MW.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 02/06/2025 to 1800 hrs 02/06/2025.
The forecast capacity reserve requirement is 1719 MW.
The minimum capacity reserve available is 1655 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127353 is cancelled at 1540 hrs 02/06/2025.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127352 has been updated at 1515 hrs to the following:
From 1730 hrs 02/06/2025 to 1830 hrs 02/06/2025.
The forecast capacity reserve requirement is 1713 MW.
The minimum capacity reserve available is 1436 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127350 has been updated at 1045 hrs to the following:
From 1700 hrs 02/06/2025 to 1900 hrs 02/06/2025.
The forecast capacity reserve requirement is 1713 MW.
The minimum capacity reserve available is 1262 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127344 has been updated at 2030 hrs to the following:
[1.] From 1730 hrs 02/06/2025 to 1830 hrs 02/06/2025.
The forecast capacity reserve requirement is 1611 MW.
The minimum capacity reserve available is 1395 MW.
Manager NEM Real Time Operations