Market Notices

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 125666


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1700 hrs 15/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0130 hrs 16/03/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 17/03/2025

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 125664

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0130 hrs 16/03/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 15/03/2025, 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 0130 hrs 16/03/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations

Change Number: CHG0101257

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Frequency Performance Payments Engine
Change Title: Frequency Performance Payments Release
Change Start Date & Time: 19/03/2025 08:00:00
Change End Date & Time: 20/03/2025 16:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Delivery of Frequency Performance Payments (FPP) calculation results via the participant data model may be periodically delayed during the change window.

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: CHG0101808

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.

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: CHG0101808

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.

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: CHG0101876

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM Hotfix Maintenance Release

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

Change Number: CHG0101704

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.

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

Change Number: CHG0101950

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)
Change Start Date & Time: 01/04/2025 01:00:00
Change End Date & Time: 01/04/2025 06:00:00
Outage Start Date & Time: 01/04/2025 01:00:00
Outage End Date & Time: 01/04/2025 06:00:00
Environment: Production
Participant Impact and Requirements: External/Market

Outage Duration:
1 x 15 minutes during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Sydney).

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 .