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CHG0082105 | Completed | Production | BAU Retail Maintenance Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: BAU Retail Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Non-credible contingency event - SA region - 11/12/2023
Non-credible contingency event - SA region - 11/12/2023
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
[EventId:202312081550_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 December 2023 15:50
Issued by Australian Energy Market Operator Ltd at 1550 hrs on 8 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.
Refer to market notice: 112094
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 1550 hrs on 8 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312081450_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 December 2023 14:50
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 8 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.
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 1450 hrs on 8 December 2023.
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:202312081120_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 December 2023 11:20
Issued by Australian Energy Market Operator Ltd at 1120 hrs on 8 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.
Refer to market notice: 112063
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 1120 hrs on 8 December 2023.
This is an AEMO autogenerated Market Notice.
[EventId:202312081015_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 December 2023 10:15
Issued by Australian Energy Market Operator Ltd at 1015 hrs on 8 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.
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 1015 hrs on 8 December 2023.
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.
CHG0082118 | Completed | Production | Planned System Maintenance activity.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Network Outage Scheduler
Change Title: Planned System Maintenance activity.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0082190 | Completed | Pre-Production | Pre-Prod MSATS Mertering Exemption Release #2
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS Mertering Exemption Release #2
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
[EventId:202312041700_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 December 2023 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 4 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 December 2023.
Refer to market notice: 112001
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 1700 hrs on 4 December 2023.
This is an AEMO autogenerated Market Notice.