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122368RECLASSIFY CONTINGENCY21/12/2024 02:28:51 PM
Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 21/12/2024 14:28 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 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 21/12/2024 14:28 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
122367RECLASSIFY CONTINGENCY21/12/2024 02:23:46 PM
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 21/12/2024 14:23 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 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 21/12/2024 14:23 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
122366SETTLEMENTS RESIDUE21/12/2024 01:30:17 PM
[EventId:202412211330_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 21 December 2024 13:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 21 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 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 1330 hrs on 21 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.
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 21 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 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 1330 hrs on 21 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.
122358RECLASSIFY CONTINGENCY21/12/2024 01:06:16 PM
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.
AEMO ELECTRICITY MARKET NOTICE
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: 21/12/2024 13:06 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
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: 21/12/2024 13:06 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
122349RECLASSIFY CONTINGENCY21/12/2024 12:41:55 PM
Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line
Duration: 21/12/2024 12:41 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 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line
Duration: 21/12/2024 12:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
122346SETTLEMENTS RESIDUE21/12/2024 12:30:25 PM
[EventId:202412211230_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 21 December 2024 12:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1230 hrs on 21 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2024.
Refer to market notice: 122343
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 1230 hrs on 21 December 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1230 hrs on 21 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2024.
Refer to market notice: 122343
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 1230 hrs on 21 December 2024.
This is an AEMO autogenerated Market Notice.
122344MINIMUM SYSTEM LOAD21/12/2024 08:57:33 AM
Cancellation of Forecast Minimum System Load (MSL) MSL1 event in the VIC Region on 21/12/2024.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Forecast Minimum System Load (MSL) MSL1 event in the VIC Region on 21/12/2024.
Cancellation - Forecast MSL1- VIC Region at 0900 hrs 21/12/2024.
Refer to Market Notice 122109 for MSL1.
Manager NEM Real Time Operations
Cancellation of Forecast Minimum System Load (MSL) MSL1 event in the VIC Region on 21/12/2024.
Cancellation - Forecast MSL1- VIC Region at 0900 hrs 21/12/2024.
Refer to Market Notice 122109 for MSL1.
Manager NEM Real Time Operations
122343SETTLEMENTS RESIDUE21/12/2024 08:00:20 AM
[EventId:202412210800_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 21 December 2024 08:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0800 hrs on 21 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 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 0800 hrs on 21 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.
Issued by Australian Energy Market Operator Ltd at 0800 hrs on 21 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 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 0800 hrs on 21 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.
122342RECLASSIFY CONTINGENCY21/12/2024 05:38:01 AM
Cancellation of a Non-Credible Contingency Event: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines in QLD due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
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: QLD
Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines
Cancellation time: 21/12/2024 05:30
Constraint set(s) invoked: Nil
Refer AEMO Electricity Market Notice 122339
Manager NEM Real Time Operations
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: QLD
Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines
Cancellation time: 21/12/2024 05:30
Constraint set(s) invoked: Nil
Refer AEMO Electricity Market Notice 122339
Manager NEM Real Time Operations