CHG0113508 -Electricity Market Management System (EMMS) Production Site Transfer from Brisbane to Norwest

Change Number: CHG0113508

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Outage Notification - Electricity MMS Production Site Transfer
Change Start Date & Time: 12/10/2026 09:00:00
Change End Date & Time: 14/10/2026 19:00:00 
Outage Start Date & Time: 13/10/2026 18:00:00
Outage End Date & Time: 13/10/2026 19:00:00
Environment: Production
Participant Impact and Requirements: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities.
          o  Please note that this activity is being performed between 18:00 to 19:00 AEST on 13th October 2026.
          o  During the window, delivery of FPP calculations through the participant data model may be delayed at various points.
          o  Gas Supply Hub (GSH) Services will be intermittently unavailable at this time.
          o  The Market Portal Services will be intermittently unavailable at this time.

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.