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119845MARKET SYSTEMS04/11/2024 07:46:34 AM
CHG0099569 | Production | Maintenance on Gas B2B Hub databases
Change Number: CHG0099569
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Maintenance on Gas B2B Hub databases
Change Start Date & Time: 17/11/2024 10:00:00 AEST
Change End Date & Time: 17/11/2024 10:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected during this maintenance:
- Brief 5 to 10 seconds loss of connectivity to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) during the outage window.
- Users are not required to take any action due to this change.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Maintenance on Gas B2B Hub databases
Change Start Date & Time: 17/11/2024 10:00:00 AEST
Change End Date & Time: 17/11/2024 10:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected during this maintenance:
- Brief 5 to 10 seconds loss of connectivity to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) during the outage window.
- Users are not required to take any action due to this change.
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 .
119826INTER-REGIONAL TRANSFER03/11/2024 01:10:08 PM
Inter-regional transfer limit variation - three poles of Directlink - NSW region - 03/11/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - three poles of Directlink - NSW region - 03/11/2024
At 1330 hrs 03/11/2024 there will be a short notice outage of all three poles of Directlink.
The following constraint set(s) to be invoked at 1330 hrs 03/11/2024
N-X_MBTE_3
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - three poles of Directlink - NSW region - 03/11/2024
At 1330 hrs 03/11/2024 there will be a short notice outage of all three poles of Directlink.
The following constraint set(s) to be invoked at 1330 hrs 03/11/2024
N-X_MBTE_3
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
119698GENERAL NOTICE31/10/2024 12:47:07 PM
Network Augmentation Commissioned - NSW Region - 31/10/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - NSW Region - 31/10/2024
At 1200 hrs 31/10/2024, the Buronga No.4 330kV synchronous condenser has been commissioned.
Manager NEM Real Time Operations
Network Augmentation Commissioned - NSW Region - 31/10/2024
At 1200 hrs 31/10/2024, the Buronga No.4 330kV synchronous condenser has been commissioned.
Manager NEM Real Time Operations
119694GENERAL NOTICE31/10/2024 10:29:13 AM
Fast Frequency Response Market - Increase in R1 FCAS dispatch caps from 4th November 2024
AEMO ELECTRICITY MARKET NOTICE
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 4th November AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 350 MW to 375 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 4th November AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 350 MW to 375 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
119690INTER-REGIONAL TRANSFER31/10/2024 01:00:29 AM
Inter-regional transfer limit variation - Wagga B 330 kV Bus - NSW region - 31/10/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Wagga B 330 kV bus- NSW region - 31/10/2024
At 0028 hrs 31/10/2024 there was an unplanned outage of Wagga B 330 kV bus.
The following constraint set(s) invoked at 0045 hrs 31/10/2024
N-WAGGA_330_BUSB, N-JNWG_RADIAL, V-DBUSS_L and V-DBUSS_T
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Wagga B 330 kV bus- NSW region - 31/10/2024
At 0028 hrs 31/10/2024 there was an unplanned outage of Wagga B 330 kV bus.
The following constraint set(s) invoked at 0045 hrs 31/10/2024
N-WAGGA_330_BUSB, N-JNWG_RADIAL, V-DBUSS_L and V-DBUSS_T
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
119688INTER-REGIONAL TRANSFER30/10/2024 06:15:38 PM
Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024
A planned outage of Moorabool - Sydenham No.1 500 kV line in the VIC region was scheduled from 0500 hrs 22/10/2024 to 1930 hrs 01/11/2024.
The outage has been completed and Moorabool - Sydenham No.1 500 kV line returned to service at 1815 hrs 30/10/2024
Constraint set revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024
A planned outage of Moorabool - Sydenham No.1 500 kV line in the VIC region was scheduled from 0500 hrs 22/10/2024 to 1930 hrs 01/11/2024.
The outage has been completed and Moorabool - Sydenham No.1 500 kV line returned to service at 1815 hrs 30/10/2024
Constraint set revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
119668GENERAL NOTICE30/10/2024 12:29:13 PM
Update - Lightning vulnerable lines in Vic region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable lines in Vic region
Refer to AEMO Electricity Market Notice 119029
At 1525 hrs on 18/10/2024 the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable lines in Vic region
Refer to AEMO Electricity Market Notice 119029
At 1525 hrs on 18/10/2024 the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations
119667GENERAL NOTICE29/10/2024 09:02:13 PM
Update - Pre dispatch demand forecast - Qld region
AEMO ELECTRICITY MARKET NOTICE
Update - Pre dispatch demand forecast - Qld region
Refer market notice: 119666
The issue relating to the Queensland Pre dispatch demand forecast has been resolved.
Manager NEM Real Time Operations
Update - Pre dispatch demand forecast - Qld region
Refer market notice: 119666
The issue relating to the Queensland Pre dispatch demand forecast has been resolved.
Manager NEM Real Time Operations
119666GENERAL NOTICE29/10/2024 07:43:09 PM
Pre dispatch demand forecast - Qld region
AEMO ELECTRICITY MARKET NOTICE
Pre dispatch demand forecast - Qld region
AEMO is aware of an error in the Queensland pre dispatch demand forecast.
AEMO is currently working to resolve the issue.
Dispatch results are not impacted.
Manager NEM Real Time Operations
Pre dispatch demand forecast - Qld region
AEMO is aware of an error in the Queensland pre dispatch demand forecast.
AEMO is currently working to resolve the issue.
Dispatch results are not impacted.
Manager NEM Real Time Operations