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Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV LINE 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 11/12/2024 19:50 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: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 11/12/2024 19:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202412111920_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 December 2024 19:20
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 11 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 December 2024.
Refer to market notice: 121724
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 1920 hrs on 11 December 2024.
This is an AEMO autogenerated Market Notice.
Reclassification of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line 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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line
Duration: 11/12/2024 17:08 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
[EventId:202412111700_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 December 2024 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 11 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 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 1700 hrs on 11 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.
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121693 is cancelled at 1400 hrs 11/12/2024.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121692 has been updated at 1400 hrs 11/12/2024 to the following:
1. From 1500 hrs to 1700 hrs 16/12/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 700 MW.
2. From 1900 hrs to 2030 hrs 16/12/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 700 MW.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 13/12/2024
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 to 1900 hrs 13/12/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1336 MW.
AEMO Operations
[EventId:202412111300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 December 2024 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 11 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 December 2024.
Refer to market notice: 121712
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 11 December 2024.
This is an AEMO autogenerated Market Notice.