Market Notices

126770MARKET SYSTEMS28/04/2025 08:35:41 AM

CHG0102918 - Network Change Impacting Norwest and Brisbane Control Room Phone Network

Change Number: CHG0102918

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Local Area Network

Change Title: Network Change Impacting Norwest and Brisbane Control Room Phone Network

Change Start Date & Time: 01/05/2025 11:00:00

Change End Date & Time: 01/05/2025 16:00:00

Outage Start Date & Time: 01/05/2025 12:00:00

Outage End Date & Time: 01/05/2025 15:00:00

Environment: Production
Participant Impact and Requirements: Possibility of experiencing 2 x 30 seconds outages to Norwest and Brisbane Control Room phone networks on 1st May between 12 pm and 2 pm. You are hereby advised to maintain status quo and continue to reach out the Control rooms as you would normally do and only call Norwest on 02 8884 5291 or 02 8884 5292 and Brisbane on 0733473291 or 0733473292 if you have any trouble at all reaching them on their regular operating lines.

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.
     
126769MARKET SYSTEMS28/04/2025 08:32:51 AM

Initial - CHG0102888 - Network Change Impacting Norwest Control Room Phone Network

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Local Area Network

Change Title: Network Change Impacting Norwest Control Room Phone Network

Change Start Date & Time: 30/04/2025 11:00:00
Change End Date & Time: 30/04/2025 16:00:00
Outage Start Date & Time: 30/04/2025 11:50:00
Outage End Date & Time: 30/04/2025 16:00:00

Environment: Production
Participant Impact and Requirements: 2 x 30 seconds outages to Norwest Control Room phone networks are expected on 30th April between 12 pm and 4 pm. You are hereby advised to maintain status quo and continue to reach out to Norwest control room as you would normally do and only call 02 8884 5291 or 02 8884 5292 if you have any trouble at all reaching them on their regular operating lines.

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.
     
126712MARKET SYSTEMS24/04/2025 08:39:31 AM

Initial - CHG0102573 - There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage

Change Number: CHG0102573

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: STTM - Scheduling & Dispatch - SPI

Change Title: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.

Change Start Date & Time: 01/05/2025 18:30:00

Change End Date & Time: 01/05/2025 20:30:00

Outage Start Date & Time: 01/05/2025 18:30:00

Outage End Date & Time: 01/05/2025 20:30:00

Environment: Production

Participant Impact and Requirements: There will be no access to the STTM Production services (SWEX/SWEXIE/MIS) for the duration of the outage. Please access outside these hours.

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.
     
126689MARKET SYSTEMS23/04/2025 09:27:28 AM

Completed - CHG0102537 - NOR Pre-Prod GFRC will have scheduled maintenance works outage from 9.00am Wednesday 9 April until 12pm (EST)

Change Number: CHG0102537

Notification issued to: Market Notice

Notification Type: Completed

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)

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
126688MARKET SYSTEMS23/04/2025 09:25:28 AM

Completed - CHG0102344 - Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Change Number: CHG0102344

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Declared Wholesale Gas Market (DWGM)

Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
126687MARKET SYSTEMS23/04/2025 09:22:07 AM

Completed - CHG0102325 - Maintenance activities to be performed on Gas Short Term Trading Market Systems Pre-Production.

Change Number: CHG0102325

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Short Term Trading Market (STTM)

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.
     
126686MARKET SYSTEMS23/04/2025 09:19:02 AM

Completed - CHG0102489 - Pre-Prod eMDM Maintenance Release

Change Number: CHG0102489

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MDM - Meter Data Management_PreProd

Change Title: Pre-Prod eMDM Maintenance Release

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
126685SETTLEMENTS RESIDUE22/04/2025 03:00:23 PM

[EventId:202504221500_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 22 April 2025 15:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 22 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 22 April 2025.

Refer to market notice: 126682

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.

The negative residue constraint NRM_VIC1_SA1 ceased operating at 1500 hrs on 22 April 2025.

This is an AEMO autogenerated Market Notice.
     
126682SETTLEMENTS RESIDUE22/04/2025 02:05:23 PM

[EventId:202504221405_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 22 April 2025 14:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1405 hrs on 22 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 22 April 2025.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.

The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1405 hrs on 22 April 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
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