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132754RECLASSIFY CONTINGENCY13/01/2026 01:34:55 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: 13/01/2026 13:34 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: 13/01/2026 13:34 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
132753MARKET SYSTEMS13/01/2026 01:41:07 PM
Initial - CHG0108394 - DWGM Planned outage for maintenance.
Change Number: CHG0108394
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market
Change Title: DWGM Planned outage for maintenance.
Change Start Date & Time: 13/01/2026 18:30:00
Change End Date & Time: 13/01/2026 19:30:00
Outage Start Date & Time: 13/01/2026 18:30:00
Outage End Date & Time: 13/01/2026 19:30:00
Environment: Production
Participant Impact and Requirements: The DWGM MIBB, WEX and CC auction portal may be disrupted briefly during the window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market
Change Title: DWGM Planned outage for maintenance.
Change Start Date & Time: 13/01/2026 18:30:00
Change End Date & Time: 13/01/2026 19:30:00
Outage Start Date & Time: 13/01/2026 18:30:00
Outage End Date & Time: 13/01/2026 19:30:00
Environment: Production
Participant Impact and Requirements: The DWGM MIBB, WEX and CC auction portal may be disrupted briefly during the window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
132752SETTLEMENTS RESIDUE13/01/2026 11:40:20 AM
[EventId:202601131140_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 13 January 2026 11:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1140 hrs on 13 January 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
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 1140 hrs on 13 January 2026.
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 1140 hrs on 13 January 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
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 1140 hrs on 13 January 2026.
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.
132751SETTLEMENTS RESIDUE13/01/2026 11:30:30 AM
[EventId:202601131130_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 13 January 2026 11:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1130 hrs on 13 January 2026
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
Refer to market notice: 132750
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 1130 hrs on 13 January 2026.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1130 hrs on 13 January 2026
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
Refer to market notice: 132750
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 1130 hrs on 13 January 2026.
This is an AEMO autogenerated Market Notice.
132750SETTLEMENTS RESIDUE13/01/2026 10:35:28 AM
[EventId:202601131035_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 13 January 2026 10:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 13 January 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
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 1035 hrs on 13 January 2026.
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 1035 hrs on 13 January 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 13 January 2026.
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 1035 hrs on 13 January 2026.
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.
132749NON-CONFORMANCE13/01/2026 04:20:24 AM
NON-CONFORMANCE Region QLD1 Tuesday, 13 January 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Tuesday, 13 January 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: KPP_1
Duration: 13/01/2026 04:15 to 13/01/2026 04:20
Amount: -82 MW
Constraint: NC-Q_KPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Tuesday, 13 January 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: KPP_1
Duration: 13/01/2026 04:15 to 13/01/2026 04:20
Amount: -82 MW
Constraint: NC-Q_KPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
132748RECLASSIFY CONTINGENCY13/01/2026 02:24:25 AM
Cancellation of a Non-Credible Contingency Event: Ross - Townsville South 7156 132kV line and Ross - Townsville South 7249 132kV 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: Ross - Townsville South 7156 132kV and Ross - Townsville South 7249 132kV
Cancellation time: 13/01/2026 02:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 132747
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: Ross - Townsville South 7156 132kV and Ross - Townsville South 7249 132kV
Cancellation time: 13/01/2026 02:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 132747
Auto-generated on behalf of Manager NEM Real Time Operations
132747RECLASSIFY CONTINGENCY13/01/2026 12:23:05 AM
Reclassification of a Non-Credible Contingency Event: Ross - Townsville South 7156 132kV line and Ross - Townsville South 7249 132kV 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 - Townsville South 7156 132kV and Ross - Townsville South 7249 132kV
Duration: 13/01/2026 00:23 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: Ross - Townsville South 7156 132kV and Ross - Townsville South 7249 132kV
Duration: 13/01/2026 00:23 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
132746INTER-REGIONAL TRANSFER12/01/2026 07:45:19 PM
Inter-regional transfer limit variation - Woolooga 275kV SVC- QLD region - 12/01/2026
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Woolooga 275 kV SVC- QLD region - 12/01/2026
At 1925 hrs 12/01/2026 there was an unplanned outage of Woolooga 275 kV SVC
The following constraint set(s) invoked at 1935 hrs 12/01/2026
Q-WO_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Woolooga 275 kV SVC- QLD region - 12/01/2026
At 1925 hrs 12/01/2026 there was an unplanned outage of Woolooga 275 kV SVC
The following constraint set(s) invoked at 1935 hrs 12/01/2026
Q-WO_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations