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[EventId:202503161345_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 16 March 2025 13:45
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 16 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 March 2025.
Refer to market notice: 125703
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 1345 hrs on 16 March 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202503161305_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 16 March 2025 13:05
Issued by Australian Energy Market Operator Ltd at 1305 hrs on 16 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 March 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 1305 hrs on 16 March 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.
Update - Non-credible contingency event - QLD region - 16/03/2025
Update - Non-credible contingency event - QLD region - 16/03/2025
Refer AEMO Electricity Market Notice 125701
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: QLD
Elements: H35 Strathmore No 2 132 kV bus
Duration: 1300 hrs 16/03/2025 until further notice
Constraint set(s) invoked: NIL
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125698 has been updated at1045 hrs to the following:
[1.] From 1600 hrs 16/03/2025 to 1700 hrs 16/03/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 725 MW.
[2.] From 1830 hrs 16/03/2025 to 2000 hrs 16/03/2025.
The forecast capacity reserve requirement is 1817 MW.
The minimum capacity reserve available is 1159 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125696 has been updated to the following:
[1.] From 1600 hrs 16/03/2025 to 1730 hrs 16/03/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 774 MW.
[2.] From 1800 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1844 MW.
The minimum capacity reserve available is 1154 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125671 has been updated to the following:
From 1630 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 880 MW.
Manager NEM Real Time Operations
[EventId:202503152000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 March 2025 20:00
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 15 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 2025.
Refer to market notice: 125680
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 2000 hrs on 15 March 2025.
This is an AEMO autogenerated Market Notice.
Cancellation 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.
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 - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line
Cancellation time: 15/03/2025 17:33
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 125672
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202503151635_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 March 2025 16:35
Issued by Australian Energy Market Operator Ltd at 1635 hrs on 15 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 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 15 March 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.