Market Notices

Change Number: CHG0101876

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management_PreProd

Change Title: Pre-Prod eMDM Hotfix Maintenance Release
Change Start Date & Time: 12/03/2025 13:00:00
Change End Date & Time: 12/03/2025 17:00:00
Outage Start Date & Time: 12/03/2025 13:00:00
Outage End Date & Time: 12/03/2025 17:00:00

Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

Meter data processing and RM reports will not be available during the outage period.

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 not be available during the outage period.

CDR and CDP will not be available during the outage period.

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 .

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Waterloo - Hummocks 132kV Line - SA region - 12/03/2025

At 0641 hrs 12/03/2025 there was an unplanned outage of Waterloo - Hummocks 132kV Line.

The following constraint set(s) invoked at 0650 hrs 12/03/2025
S-HUWT

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

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 .

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line - SA region - 11/03/2025

At 0917 hrs 11/03/2025 there was an unplanned outage of Penola West - South East 132 kV line and Kincraig - Penola West 132 kV line.

The following constraint set(s) invoked at 0925 hrs 11/03/2025
S-KNPW and S-PWSE.

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0930 hrs on 11 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 March 2025.

Refer to market notice: 125514

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

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 0930 hrs on 11 March 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0830 hrs on 11 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 March 2025.

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

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0830 hrs on 11 March 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

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


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 8 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.

Refer to market notice: 125380

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 8 March 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1310 hrs on 8 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 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 1310 hrs on 8 March 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 8 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.

Refer to market notice: 125373

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 1300 hrs on 8 March 2025.

This is an AEMO autogenerated Market Notice.