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PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 29/11/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121150 has been updated at 1415 hrs to the following:
[1.] From 0630 hrs 29/11/2024 to 0800 hrs 29/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1028 MW.
[2.] From 0930 hrs 29/11/2024 to 1500 hrs 29/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1002 MW.
Manager NEM Real Time Operations
[EventId:202411281400_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 28 November 2024 14:00
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 28 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 November 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 1400 hrs on 28 November 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 - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 28/11/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121140 is cancelled at 1345 hrs 28/11/2024.
Manager NEM Real Time Operations
[EventId:202411281330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 28 November 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 28 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 November 2024.
Refer to market notice: 121143
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 1330 hrs on 28 November 2024.
This is an AEMO autogenerated Market Notice.
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 29/11/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Periods:
[1.] From 0600 hrs 29/11/2024 to 0800 hrs 29/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 992 MW.
[2.] From 1000 hrs 29/11/2024 to 1330 hrs 29/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1110 MW.
[3.] From 1500 hrs 29/11/2024 to 1530 hrs 29/11/2024.
The forecast capacity reserve requirement is 1705 MW.
The minimum capacity reserve available is 1371 MW.
[4.] From 1700 hrs 29/11/2024 to 1730 hrs 29/11/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1258 MW.
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: 28/11/2024 11:42 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: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 28/11/2024 11:22 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202411281005_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 28 November 2024 10:05
Issued by Australian Energy Market Operator Ltd at 1005 hrs on 28 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 November 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 1005 hrs on 28 November 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.
Cancellation 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.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 28/11/2024 09:59
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 121137
Auto-generated on behalf of Manager NEM Real Time Operations