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127329SETTLEMENTS RESIDUE28/05/2025 06:45:16 PM
[EventId:202505281845_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 28 May 2025 18:45
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1845 hrs on 28 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
Refer to market notice: 127328
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 1845 hrs on 28 May 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1845 hrs on 28 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
Refer to market notice: 127328
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 1845 hrs on 28 May 2025.
This is an AEMO autogenerated Market Notice.
127328SETTLEMENTS RESIDUE28/05/2025 06:30:27 PM
[EventId:202505281830_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 28 May 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 28 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
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 1830 hrs on 28 May 2025.
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 1830 hrs on 28 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
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 1830 hrs on 28 May 2025.
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.
127327SETTLEMENTS RESIDUE28/05/2025 06:00:26 PM
[EventId:202505281800_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 28 May 2025 18:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 28 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
Refer to market notice: 127323
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 1800 hrs on 28 May 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 28 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
Refer to market notice: 127323
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 1800 hrs on 28 May 2025.
This is an AEMO autogenerated Market Notice.
127323SETTLEMENTS RESIDUE28/05/2025 04:35:16 PM
[EventId:202505281635_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 28 May 2025 16:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1635 hrs on 28 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
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 1635 hrs on 28 May 2025.
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 1635 hrs on 28 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 May 2025.
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 1635 hrs on 28 May 2025.
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.
127320SETTLEMENTS RESIDUE27/05/2025 06:00:25 PM
[EventId:202505271800_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 27 May 2025 18:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 2025.
Refer to market notice: 127307
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1800 hrs on 27 May 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 27 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 2025.
Refer to market notice: 127307
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1800 hrs on 27 May 2025.
This is an AEMO autogenerated Market Notice.
127307SETTLEMENTS RESIDUE27/05/2025 04:40:21 PM
[EventId:202505271640_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 27 May 2025 16:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1640 hrs on 27 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 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 1640 hrs on 27 May 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 1640 hrs on 27 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 27 May 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 1640 hrs on 27 May 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.
127304POWER SYSTEM EVENTS27/05/2025 12:30:40 PM
Update - Non-credible contingency event - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 07/03/2025
Refer AEMO Electricity Market Notice 125536
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will no longer reclassify this event as a credible contingency event.
Region: NSW
Elements:
- Lismore132 - Mullumbimby 9U6 132kV Line
- Lismore132 - Mullumbimby 9U7 132kV Line
- Ewingsdale - Mullumbimby 9G5 132kV Line
Duration: 1730 hrs 11/03/2025 until 1230 hrs 27/05/2025
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 07/03/2025
Refer AEMO Electricity Market Notice 125536
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will no longer reclassify this event as a credible contingency event.
Region: NSW
Elements:
- Lismore132 - Mullumbimby 9U6 132kV Line
- Lismore132 - Mullumbimby 9U7 132kV Line
- Ewingsdale - Mullumbimby 9G5 132kV Line
Duration: 1730 hrs 11/03/2025 until 1230 hrs 27/05/2025
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
127303RECLASSIFY CONTINGENCY27/05/2025 11:55:36 AM
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 1150 hrs 27/05/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127230
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 1150 hrs 27/05/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127230
Manager NEM Real Time Operations
127300RECLASSIFY CONTINGENCY27/05/2025 12:33:55 AM
Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 27/05/2025 00:33
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 127295
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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 27/05/2025 00:33
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 127295
Auto-generated on behalf of Manager NEM Real Time Operations