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[EventId:202312091815_confirmed] Prices for interval 09-Dec-2023 18:15 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 18:15.
In accordance with Market Notice 112143 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:202312091810_confirmed] Prices for interval 09-Dec-2023 18:10 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 18:10.
In accordance with Market Notice 112142 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:202312091800_confirmed] Prices for interval 09-Dec-2023 18:00 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 18:00.
In accordance with Market Notice 112139 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.
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1344 MW.
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: 09/12/2023 15:57 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 - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/12/2023
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112130 has been updated at 1515 hrs to the following:
From 1600 hrs 09/12/2023 to 1830 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1132 MW.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Loss of Sheffield 220 kV switchyard (all 220 kV buses) in Tas due to planned work
Cancellation of the reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to planned work. AEMO considers the simultaneous trip of the following plant is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Plant: Sheffield 220 kV switchyard (all 220 kV buses)
Cancellation time: 09/12/2023 13:20 hrs
Constraint set revoked:
T-SH_220_N-2
Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Refer AEMO Electricity Market Notice 112089
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/12/2023
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112083 has been updated at 0945 hrs to the following:
From 1530 hrs 09/12/2023 to 1900 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 804 MW.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Loss of Sheffield 220 kV switchyard (all 220 kV buses) in Tas due to planned work
Reclassification of a non-credible contingency event as a credible contingency event due to planned work.
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: TAS
Plant: Sheffield 220 kV switchyard (all 220 kV buses)
Duration: 09/12/2023 : 0900 hrs until further notice
Constraint set(s) invoked: T-SH_220_N-2
Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Manager NEM Real Time Operations