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[EventId:202403151200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 March 2024 12:00
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 15 March 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 2024.
Refer to market notice: 115629
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 1200 hrs on 15 March 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202403151005_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 March 2024 10:05
Issued by Australian Energy Market Operator Ltd at 1005 hrs on 15 March 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 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 1005 hrs on 15 March 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.
Non-credible contingency event - SA region - 14/03/2024
Non-credible contingency event - SA region - 14/03/2024
At 2307 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus 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
CHG0086023 | Completed | Production | Planned System Maintenance - STTM Production Systems
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market
Change Title: Planned System Maintenance - STTM Production Systems
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0085909 | Cancelled | Production | Brisbane MarketNet Firewall Refresh
Notification issued to: Market Notice
Notification Type: Cancelled
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
CHG0086078 | Production | EMMS Production Bay transfer
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer
Change Start Date & Time: 18/03/2024 08:00:00 AEST
Change End Date & Time: 20/03/2024 17:30:00 AEST
Environment: Production
Participant Impact and Requirements:
EMMS Bay transfer is scheduled for 19th March is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.
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
CHG0086280 | Completed | Pre-Production | Pre-Prod NEM Reform IESS Retail MSATS 53.0 Rlease
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod NEM Reform IESS Retail MSATS 53.0 Rlease
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0086187 | Completed | Pre-Production | Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Declared Wholesale Gas Market
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Non-credible contingency event - QLD region - 12/03/2024
Non-credible contingency event - QLD region - 12/03/2024
At 0249 hrs the Strathmore - Clare South No 7208 132KV Line opened at Strathmore 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