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Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV line in QLD1 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: QLD1
Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Cancellation time: 17/12/2023 03:15
Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 112430
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV line in QLD1 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: QLD1
Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Duration: 17/12/2023 01:35 until further notice
Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Update to the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 19/12/2023
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112385 has been updated at 1500 hrs 16/12/2023 to the following:
From 1200 hrs to 1330 hrs 19/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1335 MW.
Manager NEM RTO
STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112392 has been updated at 1530 hrs 16/12/2023 to the following:
From 1330 hrs to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 685 MW.
The minimum capacity reserve available is 128 MW.
AEMO is seeking a market response.
AEMO estimates that the latest time at which permission can be given for a planned outage to proceed is 0530 hrs on 19/12/2023.
Manager NEM RTO
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: 16/12/2023 14:49
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 112405
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312161135_confirmed] Prices for interval 16-Dec-2023 11:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:35.
In accordance with Market Notice 112401 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:202312161200_confirmed] Prices for interval 16-Dec-2023 12:00 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 12:00.
In accordance with Market Notice 112407 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:202312161155_confirmed] Prices for interval 16-Dec-2023 11:55 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:55.
In accordance with Market Notice 112406 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:202312161150_confirmed] Prices for interval 16-Dec-2023 11:50 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:50.
In accordance with Market Notice 112404 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.