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123770RECLASSIFY CONTINGENCY27/01/2025 04:14:40 PM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 27/01/2025 16:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 123765
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 27/01/2025 16:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 123765
Auto-generated on behalf of Manager NEM Real Time Operations
123769RECLASSIFY CONTINGENCY27/01/2025 03:54:30 PM
Reclassification of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 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: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 27/01/2025 15:54 until further notice
Constraint set(s) invoked:
V-ROYP78_R_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: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 27/01/2025 15:54 until further notice
Constraint set(s) invoked:
V-ROYP78_R_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
123767SETTLEMENTS RESIDUE27/01/2025 03:31:46 PM
[EventId:202501271520_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 January 2025 15:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1520 hrs on 27 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 January 2025.
Refer to market notice: 123759
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 1520 hrs on 27 January 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1520 hrs on 27 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 January 2025.
Refer to market notice: 123759
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 1520 hrs on 27 January 2025.
This is an AEMO autogenerated Market Notice.
123766RECLASSIFY CONTINGENCY27/01/2025 03:09:40 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: 27/01/2025 15:09 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: 27/01/2025 15:09 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
123765RECLASSIFY CONTINGENCY27/01/2025 03:09:35 PM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 27/01/2025 15:09 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 27/01/2025 15:09 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
123763SETTLEMENTS RESIDUE27/01/2025 03:07:19 PM
[EventId:202501271505_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 27 January 2025 15:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1505 hrs on 27 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 January 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1505 hrs on 27 January 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
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 1505 hrs on 27 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 January 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1505 hrs on 27 January 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
123762MARKET INTERVENTION27/01/2025 03:00:58 PM
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 123746
PPCCGT PELICAN POINT at 0100 hrs 27/01/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 29/01/2025.
The direction update is issued at 1500 hrs 27/01/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 123746
PPCCGT PELICAN POINT at 0100 hrs 27/01/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 29/01/2025.
The direction update is issued at 1500 hrs 27/01/2025.
Manager NEM Real Time Operations
123761MARKET INTERVENTION27/01/2025 02:51:36 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 123747
TORRB2 TORRENS ISLAN at 0030 hrs 27/01/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 29/01/2025.
The direction update is issued at 1500 hrs 27/01/2025.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 123747
TORRB2 TORRENS ISLAN at 0030 hrs 27/01/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 29/01/2025.
The direction update is issued at 1500 hrs 27/01/2025.
Manager NEM Real Time Operations
123760RECLASSIFY CONTINGENCY27/01/2025 02:29:25 PM
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 27/01/2025 14:29 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 27/01/2025 14:29 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations