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INC0138395 - P1 - Electricity Market Management System service- RESOLVED
This incident has been uplifted to a P1.
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
[EventId:202411191400_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 19 November 2024 14:00
Issued by Australian Energy Market Operator Ltd at 1423 hrs on 19 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 November 2024.
Refer to market notice: 120655
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 1400 hrs on 19 November 2024.
This is an AEMO autogenerated Market Notice.
INC0138395 - Electricity Market Management System service- RESOLVED
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
[EventId:202411191220_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 19 November 2024 12:20
Issued by Australian Energy Market Operator Ltd at 1220 hrs on 19 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 November 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 1220 hrs on 19 November 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.
[EventId:202411182100_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 18 November 2024 21:00
Issued by Australian Energy Market Operator Ltd at 2100 hrs on 18 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 November 2024.
Refer to market notice: 120620
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 2100 hrs on 18 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411181600_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 18 November 2024 16:00
Issued by Australian Energy Market Operator Ltd at 1600 hrs on 18 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 November 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 1600 hrs on 18 November 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.
[EventId:202411181530_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 18 November 2024 15:30
Issued by Australian Energy Market Operator Ltd at 1530 hrs on 18 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 November 2024.
Refer to market notice: 120613
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 1530 hrs on 18 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411181400_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 18 November 2024 14:00
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 18 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 November 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 1400 hrs on 18 November 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.
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.
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: 18/11/2024 06:03
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 120589
Auto-generated on behalf of Manager NEM Real Time Operations