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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: 14/12/2024 12:19 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202412141200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2024 12:00
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 14 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2024.
Refer to market notice: 121891
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 1200 hrs on 14 December 2024.
This is an AEMO autogenerated Market Notice.
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121888 has been updated at 1120 hrs 14/12/2024 to the following:
From 1530 hrs 17/12/2024 to 2000 hrs 17/12/2024.
The forecast capacity reserve requirement is 894 MW.
The minimum capacity reserve available is 15 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121889 has been updated at 1120 hrs 14/12/2024 to the following:
From 1630 hrs 16/12/2024 to 1830 hrs 16/12/2024.
The forecast capacity reserve requirement is 864 MW.
The minimum capacity reserve available is 710 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
[EventId:202412140905_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2024 09:05
Issued by Australian Energy Market Operator Ltd at 0905 hrs on 14 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 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 0905 hrs on 14 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 - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121876 has been updated at 0510 hrs 14/12/2024 to the following:
From 1600 hrs to 2100 hrs 16/12/2024.
The forecast capacity reserve requirement is 1048 MW.
The minimum capacity reserve available is 517 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121839 has been updated at 0510 hrs 14/12/2024 to the following:
From 1600 hrs to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1058 MW.
The minimum capacity reserve available is 355 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV
Cancellation time: 14/12/2024 04:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 121884
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation 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.
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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line
Cancellation time: 14/12/2024 02:19
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 121843
Auto-generated on behalf of Manager NEM Real Time Operations