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115958SETTLEMENTS RESIDUE04/04/2024 12:35:29 PM
[EventId:202404041235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 April 2024 12:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 4 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 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 1235 hrs on 4 April 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.
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 4 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 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 1235 hrs on 4 April 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.
115948POWER SYSTEM EVENTS03/04/2024 11:45:55 PM
Non-credible contingency event - QLD region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 03/04/2024
At 2322 hrs the Kareeya PS units 1, 2, 3 and 4 tripped.
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
Non-credible contingency event - QLD region - 03/04/2024
At 2322 hrs the Kareeya PS units 1, 2, 3 and 4 tripped.
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
115947POWER SYSTEM EVENTS03/04/2024 11:16:35 PM
Update - Non-credible contingency event - NSW region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 03/04/2024
Refer AEMO Electricity Market Notice 115944
At 2301 hrs the Eraring Power Station Unit 1 and Unit 2 were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 03/04/2024
Refer AEMO Electricity Market Notice 115944
At 2301 hrs the Eraring Power Station Unit 1 and Unit 2 were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
115944POWER SYSTEM EVENTS03/04/2024 02:21:43 PM
Non-credible contingency event - NSW region - 03/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 03/04/2024
At 1322 hrs the Eraring Power Station Unit 1 and the Eraring Power Station Unit 2 tripped.
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
Non-credible contingency event - NSW region - 03/04/2024
At 1322 hrs the Eraring Power Station Unit 1 and the Eraring Power Station Unit 2 tripped.
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
115939MARKET SYSTEMS03/04/2024 09:13:24 AM
CHG0087334 | Completed | Production | Brisbane MarketNet Firewall Refresh
Change Number: CHG0087334
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115938MARKET SYSTEMS03/04/2024 08:55:44 AM
CHG0087775 | Completed | Pre-Production | Pre-Prod MSATS Lifecycle Maintenance
Change Number: CHG0087775
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115932SETTLEMENTS RESIDUE02/04/2024 01:55:34 PM
[EventId:202404021355_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 02 April 2024 13:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1355 hrs on 2 April 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 2024.
Refer to market notice: 115929
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 1355 hrs on 2 April 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1355 hrs on 2 April 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 2024.
Refer to market notice: 115929
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 1355 hrs on 2 April 2024.
This is an AEMO autogenerated Market Notice.
115929SETTLEMENTS RESIDUE02/04/2024 01:10:22 PM
[EventId:202404021310_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 02 April 2024 13:10
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 2 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 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 1310 hrs on 2 April 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.
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 2 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 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 1310 hrs on 2 April 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.
115870MARKET SYSTEMS28/03/2024 05:11:15 PM
CHG0087932 | Completed | Pre-Production | Planned System Maintenance in Preproduction for Web Exchanger
Change Number: CHG0087932
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance in Preproduction for Web Exchanger
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance in Preproduction for Web Exchanger
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.