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PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region [beginning] on 06/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121529 is cancelled at 1645 hrs 06/12/2024.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121527 has been updated at 1620 hrs to the following:
[1.] From 1730 hrs 06/12/2024 to 1800 hrs 06/12/2024.
The forecast capacity reserve requirement is 1643 MW.
The minimum capacity reserve available is 1610 MW.
Manager NEM Real Time Operations
[EventId:202412061555_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 06 December 2024 15:55
Issued by Australian Energy Market Operator Ltd at 1555 hrs on 6 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 December 2024.
Refer to market notice: 121510
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 1555 hrs on 6 December 2024.
This is an AEMO autogenerated Market Notice.
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/12/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1630 hrs 06/12/2024 to 1830 hrs 06/12/2024.
The forecast capacity reserve requirement is 1626 MW.
The minimum capacity reserve available is 1296 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: 06/12/2024 15:32 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:202412061435_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 06 December 2024 14:35
Issued by Australian Energy Market Operator Ltd at 1435 hrs on 6 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 December 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 1435 hrs on 6 December 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 - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/12/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1730 hrs 06/12/2024 to 1830 hrs 06/12/2024.
The forecast capacity reserve requirement is 1724 MW.
The minimum capacity reserve available is 1675 MW.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 06/12/2024 10:46 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 06/12/2024 10:09 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations