Market Notices

131310MARKET SYSTEMS01/12/2025 04:41:50 PM

Completed - CHG0108022 - Production - EMMS Participant File Server - Increase Resources

Change Number: CHG0108022

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System
Change Title: Production - EMMS Participant File Server - Increase Resources

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
131279MARKET SYSTEMS01/12/2025 11:52:39 AM

Completed - CHG0105591 - MSATS 55.3 MSR Phase 2 Go-Live

Change Number: CHG0105591

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS 55.3 MSR Phase 2 Go-Live

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
131276GENERAL NOTICE01/12/2025 10:51:05 AM

NEM Local Temperature Alerts for SA from 01 Dec 2025 to 05 Dec 2025

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Port Augusta Ap (39+ Deg C): 4th Dec

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
131131MARKET SYSTEMS28/11/2025 03:01:47 PM

Initial - CHG0108022 - Production - EMMS Participant File Server - Increase Resources

Change Number: CHG0108022

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Production - EMMS Participant File Server - Increase Resources
Change Start Date & Time: 01/12/2025 09:00:00
Change End Date & Time: 01/12/2025 17:30:00
Outage Start Date & Time: 01/12/2025 10:50:00
Outage End Date & Time: 01/12/2025 10:55:00
Environment: Production
Participant Impact and Requirements: FTP connections will need to be re-established as work is performed for capacity maintenance



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.
131128MARKET SYSTEMS28/11/2025 02:02:15 PM

Completed - CHG0104603 - Identity Service Production Upgrade

Change Number: CHG0104603

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

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
131092GENERAL NOTICE27/11/2025 10:47:24 AM

NEM Local Temperature Alerts for QLD from 27 Nov 2025 to 01 Dec 2025

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

QLD
Dalby Ap (37+ Deg C): 27th Nov, 28th Nov

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
131018GENERAL NOTICE26/11/2025 11:19:32 AM

NEM Local Temperature Alerts for QLD from 26 Nov 2025 to 30 Nov 2025

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

QLD
Dalby Ap (37+ Deg C): 28th Nov

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
131015MARKET SYSTEMS26/11/2025 09:11:40 AM

Completed - CHG0107435 - NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Thursday 20 November until 12pm (EST)

Change Number: CHG0107435

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 Thursday 20 November until 12pm (EST)

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
131014MARKET SYSTEMS26/11/2025 09:07:58 AM

Completed - CHG0107963 - Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.

Change Number: CHG0107963

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Windows Server
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.

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