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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: 03/06/2025 01:33
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 127361
Auto-generated on behalf of Manager NEM Real Time 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: 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
NON-CONFORMANCE Region NSW1 Monday, 2 June 2025
NON-CONFORMANCE NSW1 Region Monday, 2 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 02/06/2025 21:40 to 02/06/2025 21:45
Amount: 9 MW
Constraint: NC-N_WTAHB1
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
NON-CONFORMANCE Region QLD1 Sunday, 1 June 2025
NON-CONFORMANCE QLD1 Region Sunday, 1 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TARONG#1
Duration: 01/06/2025 23:50 to 01/06/2025 23:55
Amount: -11 MW
Constraint: NC-Q_TARONG#1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 01/06/2025
Cancellation of Actual (LOR1) condition in the NSW region - 01/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127348 is cancelled at 1910 hrs 01/06/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs
The capacity reserve requirement is 1666 MW
The minimum capacity reserve available is 1646 MW
Manager NEM Real Time Operations