Market Notices

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 127672

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0900 hrs 21/06/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 20/06/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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 21/06/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations

Change Number: CHG0103468

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Identity Service (IDS)
Change Title: Identity Service Site Transfer

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Friday, 20 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: YWPS4
Duration: 20/06/2025 01:50 to 20/06/2025 02:10
Amount: -37 MW
Constraint: NC-V_YWPS4

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0103463

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0104256

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.

Change Number: CHG0103463

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: 19/06/2025 08:00:00
Change End Date & Time: 19/06/2025 22:00:00
Outage Start Date & Time: 19/06/2025 18:00:00
Outage End Date & Time: 19/06/2025 19:00:00
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.

Change Number: CHG0103463

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: 19/06/2025 08:00:00
Change End Date & Time: 19/06/2025 22:00:00
Outage Start Date & Time: 19/06/2025 18:00:00
Outage End Date & Time: 19/06/2025 19:00:00
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.

Change Number: CHG0104256

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: 18/06/2025 02:00:00
Change End Date & Time: 18/06/2025 08:00:00
Outage Start Date & Time: 18/06/2025 02:00:00
Outage End Date & Time: 18/06/2025 08:00:00
Environment: Production
Participant Impact and Requirements: Outage Duration:
1 x 10 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.