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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: 04/11/2024 13:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119855
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202411041300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 November 2024 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 4 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 November 2024.
Refer to market notice: 119856
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 1300 hrs on 4 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411041135_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 November 2024 11:35
Issued by Australian Energy Market Operator Ltd at 1135 hrs on 4 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1135 hrs on 4 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.
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: 04/11/2024 11:08 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 04/11/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119834 has been updated at 0800 hrs to the following:
[1.] From 1730 hrs 04/11/2024 to 1930 hrs 04/11/2024.
The forecast capacity reserve requirement is 1120 MW.
The minimum capacity reserve available is 788 MW.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/11/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 119829 has been updated at 2300 hrs 03/11/2024 to the following:
[1.] From 1500 hrs 07/11/2024 to 1930 hrs 07/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 885 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 04/11/2024
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 119824 has been updated at 1630 hrs to the following:
[1.] From 1800 hrs 04/11/2024 to 1900 hrs 04/11/2024.
The forecast capacity reserve requirement is 1120 MW.
The minimum capacity reserve available is 937 MW.
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/11/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period[s]:
[1.] From 1800 hrs to 1830 hrs 06/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1263 MW.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/11/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 119789 has been updated at 1400 hrs 03/11/2024 to the following:
1. From 1300 hrs to 1800 hrs 07/11/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 807 MW.
2. From 1830 hrs to 2000 hrs 07/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 835 MW.
Manager NEM Real Time Operations