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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: 18/12/2023 22:38 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 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: 18/12/2023 20:29
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 112491
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312181810_confirmed] Prices for interval 18-Dec-2023 18:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:10.
In accordance with Market Notice 112497 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202312181830_confirmed] Prices for interval 18-Dec-2023 18:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:30.
In accordance with Market Notice 112501 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202312181825_confirmed] Prices for interval 18-Dec-2023 18:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:25.
In accordance with Market Notice 112500 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202312181820_confirmed] Prices for interval 18-Dec-2023 18:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:20.
In accordance with Market Notice 112499 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202312181815_confirmed] Prices for interval 18-Dec-2023 18:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:15.
In accordance with Market Notice 112498 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202312181805_confirmed] Prices for interval 18-Dec-2023 18:05 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 18 December 2023
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2023 18:05.
In accordance with Market Notice 112496 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Direction - SA region 18/12/2023
Direction - SA region 18/12/2023
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1635 hrs on 18/12/2023.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations