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143126MARKET SYSTEMS23/04/2026 04:29:13 PM
Initial - CHG0110369 - MSATS 57.0 Flexiable Trading Arrangement (FTA Release 1)
Change Number: CHG0110369
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: MSATS 57.0 Flexiable Trading Arrangement (FTA Release 1)
Change Start Date & Time: 28/04/2026 13:00:00
Change End Date & Time: 28/04/2026 17:00:00
Outage Start Date & Time: 28/04/2026 13:00:00
Outage End Date & Time: 28/04/2026 17:00:00
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
CDR and CDP will not be available during the outage period
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 - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: MSATS 57.0 Flexiable Trading Arrangement (FTA Release 1)
Change Start Date & Time: 28/04/2026 13:00:00
Change End Date & Time: 28/04/2026 17:00:00
Outage Start Date & Time: 28/04/2026 13:00:00
Outage End Date & Time: 28/04/2026 17:00:00
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
CDR and CDP will not be available during the outage period
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.
141838MARKET SYSTEMS20/04/2026 03:12:04 PM
Completed - CHG0110362 - Pre-Prod MSATS 56.2 Maintenance Patch Release
Change Number: CHG0110362
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 56.2 Maintenance Patch 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: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS 56.2 Maintenance Patch Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
141113MARKET SYSTEMS17/04/2026 03:08:59 PM
Initial - CHG0108549 - eMDM April Maintenance Release
Change Number: CHG0108549
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: eMDM April Maintenance Release
Change Start Date & Time: 26/04/2026 10:00:00
Change End Date & Time: 26/04/2026 14:00:00
Outage Start Date & Time: 26/04/2026 10:00:00
Outage End Date & Time: 26/04/2026 14:00:00
Environment: Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
Network Outage Scheduler (NOS) B2B Transactions submitted via FTP will not be processed during this outage period. The NOS application will still be available.
CDR and CDP will not be available during the outage period.
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 - Market Settlement & Transfer System
Change Title: eMDM April Maintenance Release
Change Start Date & Time: 26/04/2026 10:00:00
Change End Date & Time: 26/04/2026 14:00:00
Outage Start Date & Time: 26/04/2026 10:00:00
Outage End Date & Time: 26/04/2026 14:00:00
Environment: Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
Network Outage Scheduler (NOS) B2B Transactions submitted via FTP will not be processed during this outage period. The NOS application will still be available.
CDR and CDP will not be available during the outage period.
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.
141112MARKET SYSTEMS17/04/2026 03:05:05 PM
Initial - CHG0110362 - Pre-Prod MSATS 56.2 Maintenace Patch Release
Change Number: CHG0110362
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS 56.2 Maintenace Patch Release
Change Start Date & Time: 20/04/2026 13:00:00
Change End Date & Time: 20/04/2026 17:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
CDR and CDP will not be available during the outage period.
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 - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS 56.2 Maintenace Patch Release
Change Start Date & Time: 20/04/2026 13:00:00
Change End Date & Time: 20/04/2026 17:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
CDR and CDP will not be available during the outage period.
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.
141089MARKET SYSTEMS16/04/2026 01:31:30 PM
Completed - CHG0110092 - Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)
Change Number: CHG0110092
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)
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: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
141088MARKET SYSTEMS16/04/2026 01:29:00 PM
Completed - CHG0110059 - Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Change Number: CHG0110059
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
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: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
141086MARKET SYSTEMS15/04/2026 03:17:11 PM
Completed - CHG0108970 - Planned System Maintenance - Declared Wholesale Gas Market (DWGM) Production
Change Number: CHG0108970
Notification Type: Completed
Change Type: Normal
Service/Component: Declared Wholesale Gas Market
Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM) Production
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification Type: Completed
Change Type: Normal
Service/Component: Declared Wholesale Gas Market
Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM) Production
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
141082MARKET SYSTEMS14/04/2026 09:10:48 AM
Completed - CHG0109413 - EMMS Pre-Production Maintenance Activities
Change Number: CHG0109413
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Maintenance Activities
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Maintenance Activities
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
141003MARKET SYSTEMS10/04/2026 02:33:32 PM
Initial - CHG0110059 - Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Change Number: CHG0110059
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Change Start Date & Time: 14/04/2026 01:00:00
Change End Date & Time: 14/04/2026 06:00:00
Outage Start Date & Time: 14/04/2026 01:00:00
Outage End Date & Time: 14/04/2026 06:00:00
Environment: Production
Participant Impact and Requirements: Outage Duration:
1 x 15 Minutes during the window
Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).
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: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Change Start Date & Time: 14/04/2026 01:00:00
Change End Date & Time: 14/04/2026 06:00:00
Outage Start Date & Time: 14/04/2026 01:00:00
Outage End Date & Time: 14/04/2026 06:00:00
Environment: Production
Participant Impact and Requirements: Outage Duration:
1 x 15 Minutes during the window
Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).
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.