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[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.
[EventId:202312161145_confirmed] Prices for interval 16-Dec-2023 11:45 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 11:45.
In accordance with Market Notice 112403 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:202312161140_confirmed] Prices for interval 16-Dec-2023 11:40 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 11:40.
In accordance with Market Notice 112402 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.
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: 16/12/2023 11:45 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
[EventId:202312161035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 December 2023 10:35
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 16 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1035 hrs on 16 December 2023.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
[EventId:202312161030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 16 December 2023 10:30
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 16 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
Refer to market notice: 112397
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1030 hrs on 16 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312160935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 December 2023 09:35
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 16 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 December 2023.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0935 hrs on 16 December 2023.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
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: 15/12/2023 21:59
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 112379
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312151745_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 December 2023 17:45
Issued by Australian Energy Market Operator Ltd at 1745 hrs on 15 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.
Refer to market notice: 112393
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1745 hrs on 15 December 2023.
This is an AEMO autogenerated Market Notice.