Filter by category
Filter by Date
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/04/2025
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/04/2025
Refer Market Notice 126468
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1520 hrs 10/04/2025.
Manager NEM Real Time Operations
Initial - CHG0100085 - EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 14/04/2025 08:00:00
Change End Date & Time: 16/04/2025 19:00:00
Outage Start Date & Time: 15/04/2025 20:15:00
Outage End Date & Time: 15/04/2025 21:00:00
Environment: Production
Participant Impact and Requirements: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities.
During the window, delivery of FPP calculations through the participant data model may be delayed at various points.
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.
Initial - CHG0102484 - Planned Maintenance to Brisbane Marketnet Router
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Planned Maintenance to Brisbane Marketnet Router
Change Start Date & Time: 10/04/2025 10:00:24
Change End Date & Time: 10/04/2025 16:00:24
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned maintenance:
IPWAN Participants - No impact is expected, however if IPWAN connectivity is lost, please use your backup method for connecting to Marketnet/submitting bids.
Lan-2-Lan VPN Participants (IPSEC) - Nil
B2B VPN - Nil
SSL VPN Participants: Nil
GASHUB: Nil
Other Impacts will have been communicated in advance.
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 .
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0900 hrs 11/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Refer to Market Notice 126464.
The cause of the unplanned outage of APD - Heywood - Mortlake 500 kV line in the VIC region has been identified and resolved. The outage has been completed and the APD - Heywood - Mortlake 500 kV line returned to service at 0948 hrs 10/04/2025
Constraint set(s) revoked: V-HYMO
Manager NEM Real Time Operations
Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
At 0825 hrs 10/04/2025 there was an unplanned outage of the APD - Heywood - Mortlake 500 kV line.
The following constraint set(s) invoked at 0835 hrs 10/04/2025
V-HYMO
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 10/04/2025
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 10/04/2025
Refer Market Notice 126440
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1430 hrs 09/04/2025.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0800 hrs 10/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Completed - CHG0102439 - NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Mondday 7 April until 12pm (EST)
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Supply Hub
Change Title: NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Mondday 7 April until 12pm (EST)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.