Market Notices

126911MARKET SYSTEMS06/05/2025 05:55:38 PM

CHG0103124:EMS NEM - Network Outage Scheduler (NOS)

Change Number: CHG0103124

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Change Start Date & Time: 07/05/2025 12:00:00
Change End Date & Time: 07/05/2025 13:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after 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.
     
126910MARKET SYSTEMS06/05/2025 05:50:55 PM

CHG0102490:Production MSATS and eMDM Availability Zone Maintenance Release

Change Number: CHG0102490

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management
Change Title: Production MSATS and eMDM Availability Zone Maintenance Release
Change Start Date & Time: 11/05/2025 10:00:00
Change End Date & Time: 11/05/2025 14:00:00
Outage Start Date & Time: 11/05/2025 10:00:00
Outage End Date & Time: 11/05/2025 14:00:00
Environment: Production
Participant Impact and Requirements: MSATS will be unavailable during this outage.

Meter data processing and RM reports will be unavailable during this outage.

User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.

MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage.

NMI Discovery will be unavailable during this outage.

CDR and CDP will be unavailable during this outage.

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.
     
126909SETTLEMENTS RESIDUE06/05/2025 05:00:30 PM

[EventId:202505061700_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 06 May 2025 17:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1700 hrs on 6 May 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 2025.

Refer to market notice: 126908

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 1700 hrs on 6 May 2025.

This is an AEMO autogenerated Market Notice.
     
126908SETTLEMENTS RESIDUE06/05/2025 04:20:26 PM

[EventId:202505061620_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 06 May 2025 16:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1620 hrs on 6 May 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 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 1620 hrs on 6 May 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.
     
126907MARKET INTERVENTION06/05/2025 04:07:57 PM

Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer to Market Notice 126848


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 - TORRB4 TORRENS ISLAN at 1600 hrs 06/05/2025
Type of resource: generating unit
Required actions: To synchronise and follow dispatch targets at 1200 hrs 07/05/2025
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 08/05/2025.

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
     
126906MARKET INTERVENTION06/05/2025 04:07:07 PM

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 126905

TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1200 hrs 07/05/2025.

The direction update is issued at 1600 hrs 06/05/2025.

Manager NEM Real Time Operations
     
126905MARKET INTERVENTION06/05/2025 03:33:02 PM

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 126873

TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/05/2025.

The direction update is issued at 1530 hrs 06/05/2025.

Manager NEM Real Time Operations
     
126904MARKET INTERVENTION06/05/2025 03:34:04 PM

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 126872

PPCCGT PELICAN POINT at 0001 hrs 03/05/2025 to Remain synchronised and follow dispatch targets.

The PPCCGT PELICAN POINT direction is expected to stay in place until 0400 hrs 08/05/2025.

The direction update is issued at 1530 hrs 06/05/2025.

Manager NEM Real Time Operations
     
126878SETTLEMENTS RESIDUE05/05/2025 06:30:15 PM

[EventId:202505051830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 05 May 2025 18:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 5 May 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 5 May 2025.

Refer to market notice: 126877

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 1830 hrs on 5 May 2025.

This is an AEMO autogenerated Market Notice.
     
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