Market Notices

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1549 MW
The minimum capacity reserve available is 1164 MW

Manager NEM Real Time Operations

Change Number: CHG0102439

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.

Change Number: CHG0102487

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Frequency Performance Payments Engine
Change Title: Frequency Performance Payments (FPP) Maintenance Release
Change Start Date & Time: 10/04/2025 08:00:00
Change End Date & Time: 10/04/2025 16:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: Delivery of FPP calculation results may be delayed at times during the maintenance 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: CHG0100085

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 13:15:00
Outage End Date & Time: 15/04/2025 14:00:00
Environment: Production

Participant Impact and Requirements: 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 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: CHG0100211


Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Identity Service (IDS)
Change Title: Identity Service Site Transfer
Change Start Date & Time: 15/04/2025 10:00:00
Change End Date & Time: 15/04/2025 18:00:00
Outage Start Date & Time: 15/04/2025 13:05:00
Outage End Date & Time: 15/04/2025 13:15:00
Environment: Production

Participant Impact and Requirements: Identity Service is used by multiple systems for user authorisation and authentication.

Identity Service is mostly used by the following systems:
*MSATS
*APIs (EMMS, GBB, MSATS)
*WEM
*Internal / Markets Portal Services
Identity Service may cause users to experience few session issues for few logins initated between 13:05 to 13:15 Market Time.
Internal / Market Portal Services will have an outage due to EMMS site transfer activities carried out along with this change.

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: CHG0102537

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Windows Server
Change Title: NOR Pre-Prod GFRC will have scheduled maintenance works outage from 9.00am Wednesday 9 April until 12pm (EST)
Change Start Date & Time: 09/04/2025 09:00:00
Change End Date & Time: 09/04/2025 12:00:00
Outage Start Date & Time: 09/04/2025 09:00:00
Outage End Date & Time: 09/04/2025 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: Services may be unavailable while maintenance is in progress

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: CHG0101896


Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 01/04/2025 08:00:00
Change End Date & Time: 11/04/2025 17:00:00
Outage Start Date & Time: 03/04/2025 08:00:00
Outage End Date & Time: 03/04/2025 22:00:00
Environment: Pre-Production
Participant Impact and Requirements: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on the following dates:

3/04/2025
7/04/2025
8/04/2025


During the window,FPP calculations 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: CHG0101896


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

Change Start Date & Time: 01/04/2025 08:00:00
Change End Date & Time: 11/04/2025 17:00:00
Outage Start Date & Time: 03/04/2025 08:00:00
Outage End Date & Time: 03/04/2025 22:00:00

Environment: Pre-Production

Participant Impact and Requirements: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on the following dates:

3/04/2025
7/04/2025
8/04/2025

During the window,FPP calculations 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: CHG0099569

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Gas Hub
Change Title: Maintenance on Gas B2B Hub databases

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