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125273POWER SYSTEM EVENTS05/03/2025 02:03:49 PM
Update - Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line 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
Update - Non-credible contingency event - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line 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
125271MARKET SYSTEMS05/03/2025 01:11:21 PM
CHG0101704 - As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane
Change Number: CHG0101704
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: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
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?id=pp_services_status for any planned/unplanned maintenance activities .
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: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
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?id=pp_services_status for any planned/unplanned maintenance activities .
125270MARKET SYSTEMS05/03/2025 01:08:11 PM
CHG0101291 - There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage.
Change Number: CHG0101291
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: STTM - Scheduling & Dispatch - SPI
Change Title: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.
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: STTM - Scheduling & Dispatch - SPI
Change Title: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
125269NON-CONFORMANCE05/03/2025 12:25:18 PM
NON-CONFORMANCE Region NSW1 Wednesday, 5 March 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Wednesday, 5 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 05/03/2025 12:00 to 05/03/2025 12:25
Amount: -120 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Wednesday, 5 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 05/03/2025 12:00 to 05/03/2025 12:25
Amount: -120 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
125268POWER SYSTEM EVENTS05/03/2025 11:57:45 AM
Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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 - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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
125260MARKET SYSTEMS04/03/2025 03:40:29 PM
INC0141770 - RESOLVED - 1 x NEM Trading Interval missed
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - RESOLVED
The service interruption relating to the Electricity Market Management System service has been resolved. There was a single NEM Trading Interval missed at 14:00 AEST
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
SERVICE INTERRUPTION - RESOLVED
The service interruption relating to the Electricity Market Management System service has been resolved. There was a single NEM Trading Interval missed at 14:00 AEST
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
125251NON-CONFORMANCE04/03/2025 12:00:17 PM
NON-CONFORMANCE Region NSW1 Tuesday, 4 March 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Tuesday, 4 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 04/03/2025 11:55 to 04/03/2025 12:00
Amount: -33 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Tuesday, 4 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 04/03/2025 11:55 to 04/03/2025 12:00
Amount: -33 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
125249MARKET SYSTEMS04/03/2025 10:58:55 AM
CHG0101704 - As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane
Change Number: CHG0101704
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: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
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?id=pp_services_status for any planned/unplanned maintenance activities .
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: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
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?id=pp_services_status for any planned/unplanned maintenance activities .
125248MARKET SYSTEMS04/03/2025 10:52:24 AM
Completed - CHG0101364 - A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.
Change Number: CHG0101364
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Hub
Change Title: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.
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: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.