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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: 11/12/2024 03:49
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 121706
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Wednesday, 11 December 2024
NON-CONFORMANCE QLD1 Region Wednesday, 11 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 11/12/2024 02:00 to 11/12/2024 02:20
Amount: -10 MW
Constraint: NC-Q_MPP_2
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: 11/12/2024 01:45 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
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region beginning on 10/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121702 is cancelled at 1840 hrs 10/12/2024.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Tuesday, 10 December 2024
NON-CONFORMANCE QLD1 Region Tuesday, 10 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 10/12/2024 17:55 to 10/12/2024 18:25
Amount: -18 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 10/12/2024
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 1830 hrs 10/12/2024 to 1900 hrs 10/12/2024.
The forecast capacity reserve requirement is 1320 MW.
The minimum capacity reserve available is 1197 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region beginning on 10/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121698 is cancelled at 1745 hrs 10/12/2024.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 10/12/2024
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 1830 hrs 10/12/2024 to 1900 hrs 10/12/2024.
The forecast capacity reserve requirement is 1385 MW.
The minimum capacity reserve available is 1336 MW.
Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/12/2024
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/12/2024
Refer Market Notice 121685
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1615 hrs 10/12/2024.
Manager NEM Real Time Operations