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PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region beginning on 21/01/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 113527 has been updated at 1330 hrs to the following:
[1.] From 1830 hrs 21/01/2024 to 1930 hrs 21/01/2024.
The forecast capacity reserve requirement is 1240 MW.
The minimum capacity reserve available is 1005 MW.
[2.] From 1800 hrs 22/01/2024 to 1830 hrs 22/01/2024.
The forecast capacity reserve requirement is 1020 MW.
The minimum capacity reserve available is 886 MW.
[3.] From 1930 hrs 22/01/2024 to 2030 hrs 22/01/2024.
The forecast capacity reserve requirement is 1020 MW.
The minimum capacity reserve available is 625 MW.
Manager NEM Real Time Operations
[EventId:202401211230_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 21 January 2024 12:30
Issued by Australian Energy Market Operator Ltd at 1230 hrs on 21 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 January 2024.
Refer to market notice: 113546
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 1230 hrs on 21 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401211105_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 21 January 2024 11:05
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 21 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 January 2024.
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 1105 hrs on 21 January 2024.
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.
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 21/01/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 113527 has been updated at 0920 hrs to the following:
[1.] From 1800 hrs 21/01/2024 to 1930 hrs 21/01/2024.
The forecast capacity reserve requirement is 1240 MW.
The minimum capacity reserve available is 946 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 21/01/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 113538 has been updated at 0650 hrs to the following:
[1.] From 1800 hrs 21/01/2024 to 1930 hrs 21/01/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1182 MW.
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: 20/01/2024 19:14
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 113540
Auto-generated on behalf of Manager NEM Real Time Operations
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: 20/01/2024 17:19
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 113541
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: 20/01/2024 15:48 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
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: 20/01/2024 15:11 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