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CHG0091533 | Completed | Production | Planned Outage for the Gas Short Term Trading Market Systems Production.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0091507 | Production | As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical s
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.
Change Start Date & Time: 26/08/2024 08:00:00 AEST
Change End Date & Time: 28/08/2024 18:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.
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?d=pp_services_status for any planned/unplanned maintenance activities .
Non-credible contingency event - QLD region - 30/07/2024
Non-credible contingency event - QLD region - 30/07/2024
At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.
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
Update - Non-credible contingency event - QLD region - 27/07/2024
Update - Non-credible contingency event - QLD region - 27/07/2024
Refer AEMO Electricity Market Notice 117487
At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer was 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
Inter-regional transfer limit variation - Heywood - South East No 2 275 kV Line - SA region - 26/07/2024
Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/07/2024
A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0830 hrs 26/07/2024 to 1730 hrs 28/07/2024.
The outage has been extended until 1200 hrs 29/07/2024
Constraint set(s) invoked:
I-HYSE
I-VS_050
I-VS+LKB_050
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Correction - Non-credible contingency event - QLD region - 27/07/2024
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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 - 27/07/2024
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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
CHG0091533 | Production | Planned Outage for the Gas Short Term Trading Market Systems Production.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.
Change Start Date & Time: 08/08/2024 09:00:00 AEST
Change End Date & Time: 08/08/2024 22:00:00 AEST
Outage Start Date & Time: 08/08/2024 18:30:00 AEST
Outage End Date & Time: 08/08/2024 21:00:00 AEST
Environment: Production
Participant Impact and Requirements: Gas Short Term Trading Market (STTM) services including SWEX and MIS, SPI and SBS will not be available during the outage window in Production.
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 - Heywood M1 Transformer - VIC region - 25/07/2024
Inter-regional transfer limit variation - Heywood M1 Transformer - VIC region - 25/07/2024
A planned outage of Heywood M1 Transformer in the VIC region was scheduled from 0600 hrs 25/07/2024 to 1800 hrs 25/07/2024.
The outage has been completed and Heywood M1 Transformer returned to service at 1550 hrs 25/07/2024
Constraint set(s) revoked: V-HYTX_M12
Manager NEM Real Time Operations