Market Notices

125547MARKET SYSTEMS12/03/2025 09:06:20 AM

Inital - CHG0101876 - Pre-Prod eMDM Hotfix Maintenance Release

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 .
     
125521NON-CONFORMANCE11/03/2025 11:55:21 AM

NON-CONFORMANCE Region NSW1 Tuesday, 11 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 11 March 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 11/03/2025 11:25 to 11/03/2025 11:55
Amount: -9 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
125519MARKET SYSTEMS11/03/2025 10:38:45 AM

Inital - CHG0101808 - Pre-production EMMS database Maintainence activity

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 .
     
125517POWER SYSTEM EVENTS11/03/2025 10:05:23 AM

Non-credible contingency event - SA region - 11/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 11/03/2025

At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.

AEMO did not instruct load shedding.

Approximately 3 MW of electrical load has been disconnected.

The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations
     
125516SETTLEMENTS RESIDUE11/03/2025 09:30:23 AM

[EventId:202503110930_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 March 2025 09:30

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.
     
125514SETTLEMENTS RESIDUE11/03/2025 08:30:33 AM

[EventId:202503110830_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 March 2025 08:30

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.
     
125474NON-CONFORMANCE10/03/2025 01:05:17 PM

NON-CONFORMANCE Region QLD1 Monday, 10 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 10 March 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_1
Duration: 10/03/2025 13:00 to 10/03/2025 13:05
Amount: -11 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations
     
125394SETTLEMENTS RESIDUE08/03/2025 03:00:23 PM

[EventId:202503081500_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 08 March 2025 15:00

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.
     
125380SETTLEMENTS RESIDUE08/03/2025 01:10:28 PM

[EventId:202503081310_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 08 March 2025 13:10

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.
     
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