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122399MINIMUM SYSTEM LOAD22/12/2024 11:16:27 AM
Actual Minimum System Load MSL1 condition in the VIC Region on 22/12/2024
AEMO ELECTRICITY MARKET NOTICE
Actual Minimum System Load MSL1 condition in the VIC Region on 22/12/2024
Update to Market Notice 122377 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 22/12/2024.
Minimum regional demand is forecast to be 1409 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1760 MW
- MSL2 - 1260 MW
- MSL3 - 760 MW
The regional demand is below the MSL1 threshold. The actual MSL1 condition is forecast to exist until 1430 hrs.
Manager NEM Real Time Operations
Actual Minimum System Load MSL1 condition in the VIC Region on 22/12/2024
Update to Market Notice 122377 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 22/12/2024.
Minimum regional demand is forecast to be 1409 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1760 MW
- MSL2 - 1260 MW
- MSL3 - 760 MW
The regional demand is below the MSL1 threshold. The actual MSL1 condition is forecast to exist until 1430 hrs.
Manager NEM Real Time Operations
122398RECLASSIFY CONTINGENCY22/12/2024 10:34:25 AM
Cancellation 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
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/12/2024 10:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122394
Auto-generated on behalf of 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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/12/2024 10:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122394
Auto-generated on behalf of Manager NEM Real Time Operations
122397RECLASSIFY CONTINGENCY22/12/2024 10:34:20 AM
Cancellation 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
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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/12/2024 10:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122393
Auto-generated on behalf of 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 22/12/2024 10:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122393
Auto-generated on behalf of Manager NEM Real Time Operations
122396SETTLEMENTS RESIDUE22/12/2024 10:20:34 AM
[EventId:202412221020_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 December 2024 10:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1020 hrs on 22 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 December 2024.
Refer to market notice: 122392
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 1020 hrs on 22 December 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1020 hrs on 22 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 December 2024.
Refer to market notice: 122392
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 1020 hrs on 22 December 2024.
This is an AEMO autogenerated Market Notice.
122395MINIMUM SYSTEM LOAD22/12/2024 10:21:55 AM
Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.
Cancellation - Forecast MSL2- VIC Region at 1015 hrs 22/12/2024.
Refer to Market Notice 122385 for MSL2.
Manager NEM Real Time Operations
Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.
Cancellation - Forecast MSL2- VIC Region at 1015 hrs 22/12/2024.
Refer to Market Notice 122385 for MSL2.
Manager NEM Real Time Operations
122394RECLASSIFY CONTINGENCY22/12/2024 08:33:40 AM
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: 22/12/2024 08:33 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: 22/12/2024 08:33 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
122393RECLASSIFY CONTINGENCY22/12/2024 08:33:36 AM
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: 22/12/2024 08:33 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: 22/12/2024 08:33 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
122392SETTLEMENTS RESIDUE22/12/2024 07:40:25 AM
[EventId:202412220740_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 22 December 2024 07:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0740 hrs on 22 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 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 0740 hrs on 22 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 0740 hrs on 22 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 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 0740 hrs on 22 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.
122391RECLASSIFY CONTINGENCY22/12/2024 01:44:51 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: 22/12/2024 01:40
Constraint set(s) invoked: Nil
Refer AEMO Electricity Market Notice 122383
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: 22/12/2024 01:40
Constraint set(s) invoked: Nil
Refer AEMO Electricity Market Notice 122383
Manager NEM Real Time Operations