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128458POWER SYSTEM EVENTS07/08/2025 05:40:13 AM
Non-credible contingency event - SA region - 07/08/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 07/08/2025
At 0507 hrs the Dorrien end of the Templers West to Dorrien 132 kV line and the Templers battery 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 - SA region - 07/08/2025
At 0507 hrs the Dorrien end of the Templers West to Dorrien 132 kV line and the Templers battery 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
128454MARKET SYSTEMS06/08/2025 11:20:34 AM
Completed - CHG0105078 - Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Change Number: CHG0105078
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
128447NON-CONFORMANCE05/08/2025 04:55:17 PM
NON-CONFORMANCE Region SA1 Tuesday, 5 August 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Tuesday, 5 August 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: HPR1
Duration: 05/08/2025 16:50 to 05/08/2025 16:55
Amount: 13 MW
Constraint: NC-S_HPR1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Tuesday, 5 August 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: HPR1
Duration: 05/08/2025 16:50 to 05/08/2025 16:55
Amount: 13 MW
Constraint: NC-S_HPR1
Auto-generated on behalf of Manager NEM Real Time Operations
128429MARKET SYSTEMS03/08/2025 02:38:25 PM
CHG0104554 - Production eMDM Maintenance Release
Change Number: CHG0104554
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: Production eMDM Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: Production eMDM Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
128428MARKET SYSTEMS03/08/2025 02:35:38 PM
CHG0102957 - Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Change Number: CHG0102957
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Hub
Change Title: Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Hub
Change Title: Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
128419GENERAL NOTICE01/08/2025 06:30:34 PM
New South Wales - Waratah Super Battery System Integrity Protection Scheme (SIPS) In-Service
AEMO ELECTRICITY MARKET NOTICE.
The Waratah Super Battery System Integrity Protection Scheme (SIPS) has been enabled by TransGrid at 1758 hrs 01/08/2025.
Manager NEM Real Time Operations
The Waratah Super Battery System Integrity Protection Scheme (SIPS) has been enabled by TransGrid at 1758 hrs 01/08/2025.
Manager NEM Real Time Operations
128416MARKET SYSTEMS01/08/2025 02:45:02 PM
CHG0105004 - Planned system maintenance to the EMMS PreProduction Environment
Change Number: CHG0105004
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Windows Server
Change Title: Planned system maintenance to the EMMS PreProduction Environment
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Windows Server
Change Title: Planned system maintenance to the EMMS PreProduction Environment
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
128415NON-CONFORMANCE01/08/2025 02:40:13 PM
NON-CONFORMANCE Region NSW1 Friday, 1 August 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 1 August 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NEVERSF1
Duration: 01/08/2025 14:25 to 01/08/2025 14:40
Amount: 26 MW
Constraint: NC-N_NEVERSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 1 August 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NEVERSF1
Duration: 01/08/2025 14:25 to 01/08/2025 14:40
Amount: 26 MW
Constraint: NC-N_NEVERSF1
Auto-generated on behalf of Manager NEM Real Time Operations
128413MARKET SYSTEMS01/08/2025 01:27:22 PM
The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward. Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity.
An outage is not expected but, there may be some minor interruptions during the change period. Participants are required to make sure the connectivity is intact post change implementation. In case of any issues noticed, please reach out to AEMO Support Hub.
Start Time: 03/08/2025 10:00 AM
End Time: 03/08/2025 14:00 PM
Final Reminder | CHG0102957 | PROD| Enable TLS 1.3 for Gas B2B Hub and disable TLS version 1.0/1.1
The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward. Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity.
An outage is not expected but, there may be some minor interruptions during the change period. Participants are required to make sure the connectivity is intact post change implementation. In case of any issues noticed, please reach out to AEMO Support Hub.
Start Time: 03/08/2025 10:00 AM
End Time: 03/08/2025 14:00 PM