119689POWER SYSTEM EVENTS31/10/2024 12:49:14 AM

Non-credible contingency event - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 31/10/2024

At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.

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
     
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
     
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
     
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
     
119499MARKET SYSTEMS27/10/2024 03:30:17 PM

CHG0098814 | Completed | Production | MSATS and eMDM November Maintenance Release

Change Number: CHG0098814
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS and eMDM November Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
119314MARKET SYSTEMS24/10/2024 02:24:29 PM

CHG0099241 | Completed | Production | Migrate DEV / TEST / Pre-Production (PPD) VLAN 104 Gateway in Norwest from the Old Core Switches to the New Core Switches.

Change Number: CHG0099241
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Migrate DEV / TEST / Pre-Production (PPD) VLAN 104 Gateway in Norwest from the Old Core Switches to the New Core Switches.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.


     
119312MARKET SYSTEMS24/10/2024 02:06:52 PM

CHG0099235 | Completed | Production | Migrate Pre-Production (PPD) VLAN 108 Gateway in Norwest from the Old Core Switches to the New Core Switches.

Change Number: CHG0099235
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Migrate Pre-Production (PPD) VLAN 108 Gateway in Norwest from the Old Core Switches to the New Core Switches.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.



     
119207MARKET SYSTEMS23/10/2024 10:25:05 AM

CHG0099235 | Production | Migrate Pre-Production (PPD) VLAN 108 Gateway in Norwest from the Old Core Switches to the New Core Switches.


Change Number: CHG0099235
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Migrate Pre-Production (PPD) VLAN 108 Gateway in Norwest from the Old Core Switches to the New Core Switches.
Change Start Date & Time: 24/10/2024 10:00:00 AEST
Change End Date & Time: 24/10/2024 16:00:00 AEST
Outage Start Date & Time: 24/10/2024 11:57:00 AEST
Outage End Date & Time: 24/10/2024 12:02:00 AEST
Environment: Production
Participant Impact and Requirements:
Planned maintenance has been scheduled for the 24th October, commencing 11:57am - 12:02pm AEST. During this time there will be a brief outage (Up to 30 seconds) impacting the following Pre-Production systems:

- MSATS Retail
- EMMS Wholesale
- GAS Market Systems
- WA Market Systems

The maintenance being carried out relates to infrastructure only, no application or functional changes are being performed. If you experience system related issues beyond the outage window (12:02pm) please contact the AEMO Support Hub.

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 .






     
119206MARKET SYSTEMS23/10/2024 10:21:46 AM

CHG0099241 | Production | Migrate DEV / TEST / Pre-Production (PPD) VLAN 104 Gateway in Norwest from the Old Core Switches to the New Core Switches.

Change Number: CHG0099241
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Migrate DEV / TEST / Pre-Production (PPD) VLAN 104 Gateway in Norwest from the Old Core Switches to the New Core Switches.
Change Start Date & Time: 24/10/2024 10:00:00 AEST
Change End Date & Time: 24/10/2024 16:00:00 AEST
Outage Start Date & Time: 24/10/2024 11:57:00 AEST
Outage End Date & Time: 24/10/2024 12:02:00 AEST
Environment: Production
Participant Impact and Requirements:
Planned maintenance has been scheduled for the 24th October, commencing 11:57am - 12:02pm AEST. During this time there will be a brief outage (Up to 30 seconds) impacting the following Pre-Production systems:

- MSATS Retail
- EMMS Wholesale
- GAS Market Systems
- WA Market Systems

The maintenance being carried out relates to infrastructure only, no application or functional changes are being performed. If you experience system related issues beyond the outage window (12:02pm) please contact the AEMO Support Hub.

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 .




     
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