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CHG0098837 | Pre-Production | EMMS-Pre-Production Bay transfer for Core switch Refresh
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: EMMS-Pre-Production Bay transfer for Core switch Refresh
Change Start Date & Time: 22/10/2024 07:00:00 AEST
Change End Date & Time: 22/10/2024 19:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: A Bay transfer is scheduled for 22nd October 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 .
Inter-regional transfer limit variation - Tamworth No 1 330 kV bus and Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/10/2024
Tamworth No 1 330 kV bus and Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/10/2024
A planned outage of Tamworth No 1 330 kV bus in the NSW region was scheduled from 1100 hrs 18/10/2024 to 1700 hrs 20/10/2024.
A planned outage of Tamworth - Armidale No. 86 330 kV Line in the NSW region was scheduled from 0500 hrs 09/10/2024 to 1700 hrs 20/10/2024.
The outage has been completed by 1250 hrs 19/10/2024.
Constraint set(s) invoked:
N-ARTW_86
N-LDTW_84
N-TW_SVC
N-TW_330_BUS1
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 18/10/2024
Non-credible contingency event - VIC region - 18/10/2024
At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
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
CHG0099243 | Pre-Production | Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Start Date & Time: 23/10/2024 07:00:23 AEST
Change End Date & Time: 23/10/2024 17:30:33 AEST
Outage Start Date & Time: 23/10/2024 08:00:00 AEST
Outage End Date & Time: 23/10/2024 12:30:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.
Pre-Production Declared Wholesale Gas Market Systems (DWGM)
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 .
CHG0098658 | Completed | Production | Planned System Maintenance - Declared Wholesale Gas Market (DWGM)
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024
Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024
At 1846 hrs 17/10/2024 there was an unplanned outage of Brinkworth- Red Hill- Bungama 132kV lines.
The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BRBG
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
At 1842 hrs 17/10/2024 there was an unplanned outage of Hummocks - Bungama 132kV line.
The following constraint set(s) invoked at 1850 hrs 17/10/2024
S-HUBG
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line- SA region - 17/10/2024
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line - SA region - 17/10/2024
At 1848 hrs 17/10/2024 there was an unplanned outage of Blyth West - Munno Para 275kV line.
The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the QLD region - 17/10/2024
Cancellation of Actual (LOR1) condition in the QLD region - 17/10/2024
The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.118993 is cancelled at 1839 hrs 17/10/2024.
Manager NEM Real Time Operations