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133514MARKET SYSTEMS12/02/2026 03:34:46 PM
CHG0108572 - NEM Dispatch Engine (NEMDE) ¿ Scheduled Maintenance Activity
Change Number: CHG0108572
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: EMMS - Dispatch
Change Title: NEM Dispatch Engine (NEMDE) ? Scheduled Maintenance Activity
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: EMMS - Dispatch
Change Title: NEM Dispatch Engine (NEMDE) ? Scheduled Maintenance Activity
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
133458MARKET SYSTEMS11/02/2026 09:57:04 AM
Initial - CHG0109079 - Planned Preproduction System Maintenance - Short Term Trading Market (STTM)
Change Number: CHG0109079
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Windows Server
Change Title: Planned Preproduction System Maintenance - Short Term Trading Market (STTM)
Change Start Date & Time: 18/02/2026 15:00:00
Change End Date & Time: 18/02/2026 16:00:00
Outage Start Date & Time: 13/02/2026 15:00:00
Outage End Date & Time: 13/02/2026 16:00:00
Environment: Pre-Production
Participant Impact and Requirements: Planned Preproduction System Maintenance - Short Term Trading Market (STTM)
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: Windows Server
Change Title: Planned Preproduction System Maintenance - Short Term Trading Market (STTM)
Change Start Date & Time: 18/02/2026 15:00:00
Change End Date & Time: 18/02/2026 16:00:00
Outage Start Date & Time: 13/02/2026 15:00:00
Outage End Date & Time: 13/02/2026 16:00:00
Environment: Pre-Production
Participant Impact and Requirements: Planned Preproduction System Maintenance - Short Term Trading Market (STTM)
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.
133457MARKET SYSTEMS11/02/2026 09:53:30 AM
Completed - CHG0108857 - Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Number: CHG0108857
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
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: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
133425MARKET SYSTEMS09/02/2026 02:55:28 PM
Initial - CHG0108572 - NEM Dispatch Engine (NEMDE) - Scheduled Maintenance Activity
Change Number: CHG0108572
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: NEM Dispatch Engine (NEMDE) - Scheduled Maintenance Activity
Change Start Date & Time: 12/02/2026 08:00:00
Change End Date & Time: 12/02/2026 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: We will be conducting maintenance on the NEM Dispatch Engine (NEMDE) during the implementation window. No outages or service disruptions are expected.
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: EMMS - Dispatch
Change Title: NEM Dispatch Engine (NEMDE) - Scheduled Maintenance Activity
Change Start Date & Time: 12/02/2026 08:00:00
Change End Date & Time: 12/02/2026 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: We will be conducting maintenance on the NEM Dispatch Engine (NEMDE) during the implementation window. No outages or service disruptions are expected.
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.
133277MARKET SYSTEMS04/02/2026 04:43:24 PM
Completed - CHG0108531 - Pre-Prod MSATS 56.0 CICD Maintenance Release
Change Number: CHG0108531
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Market Settlement & Transfer System
Change Title: Pre-Prod MSATS 56.0 CICD 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: MSATS - Market Settlement & Transfer System
Change Title: Pre-Prod MSATS 56.0 CICD Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
133229MARKET SYSTEMS02/02/2026 02:12:55 PM
Create Market Notice - Initial - CHG0108531 - Pre-Prod MSATS 56.0 CICD Maintenance Release
Change Number: CHG0108531
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: Pre-Prod MSATS 56.0 CICD Maintenance Release
Change Start Date & Time: 04/02/2026 12:00:00
Change End Date & Time: 04/02/2026 17:00:00
Outage Start Date & Time: 04/02/2026 12:00:00
Outage End Date & Time: 04/02/2026 16:00:00
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 - Market Settlement & Transfer System
Change Title: Pre-Prod MSATS 56.0 CICD Maintenance Release
Change Start Date & Time: 04/02/2026 12:00:00
Change End Date & Time: 04/02/2026 17:00:00
Outage Start Date & Time: 04/02/2026 12:00:00
Outage End Date & Time: 04/02/2026 16:00:00
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.
133228MARKET SYSTEMS02/02/2026 02:12:55 PM
Initial - CHG0108857 - Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Number: CHG0108857
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Start Date & Time: 03/02/2026 09:30:00
Change End Date & Time: 03/02/2026 17:30:00
Outage Start Date & Time: 03/02/2026 09:30:00
Outage End Date & Time: 03/02/2026 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.
Pre-Production Declared Wholesale Gas Market Systems (DWGM)
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: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Start Date & Time: 03/02/2026 09:30:00
Change End Date & Time: 03/02/2026 17:30:00
Outage Start Date & Time: 03/02/2026 09:30:00
Outage End Date & Time: 03/02/2026 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.
Pre-Production Declared Wholesale Gas Market Systems (DWGM)
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.
133227MARKET SYSTEMS02/02/2026 02:12:45 PM
Completed - CHG0108592 - Gas Retail Initiatives B2B Package 1 r46 schema upgrade being deployed to pre-production environment to support
Change Number: CHG0108592
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Hub
Change Title: Gas Retail Initiatives B2B Package 1 r46 schema upgrade being deployed to pre-production environment to support bilateral testing.
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: Gas Retail Initiatives B2B Package 1 r46 schema upgrade being deployed to pre-production environment to support bilateral testing.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
133158MARKET SYSTEMS29/01/2026 08:42:27 AM
Completed - CHG0108662 - eMDM Lifecycle Maintenance Release
Change Number: CHG0108662
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: eMDM Lifecycle 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_PreProd
Change Title: eMDM Lifecycle Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.