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Non-credible contingency event - SA region - 11/12/2023
Non-credible contingency event - SA region - 11/12/2023
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Network Augmentation Commissioned - SA Region - 10/12/2023
Network Augmentation Commissioned - SA Region - 10/12/2023
Commissioned: Robertstown - Bundey No. 1 275 kV Line
Bundey 275 kV Swtichyard
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 10/12/2023 15:45 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023.
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112042 has been updated at 1530 hrs 10/12/2023 to the following:
From 1600 hrs 14/12/2023 to 1830 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1076 MW.
Manager NEM Real Time Operations
Update - Direction - SA Region - 08/12/2023
Update - Direction - SA Region - 08/12/2023
Refer Market Notice 112113
The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.
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.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 10/12/2023 12:30 hrs until further notice
Constraint set(s) invoked: Nil
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: 09/12/2023 22:59
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 112136
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023
Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112137 is cancelled at 1850 hrs 09/12/2023.
Manager NEM Real Time Operations
[EventId:202312091805_confirmed] Prices for interval 09-Dec-2023 18:05 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1825 hrs on 9 December 2023
PRICES ARE NOW CONFIRMED for trading interval 09-Dec-2023 18:05.
In accordance with Market Notice 112141 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.