Market Notices

128285MARKET INTERVENTION23/07/2025 02:30:12 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 128284

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 24/07/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 23/07/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
128284MARKET INTERVENTION23/07/2025 12:59:36 PM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 24/07/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
128265SETTLEMENTS RESIDUE22/07/2025 08:00:25 PM

[EventId:202507222000_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 22 July 2025 20:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2000 hrs on 22 July 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 22 July 2025.

Refer to market notice: 128262

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 2000 hrs on 22 July 2025.

This is an AEMO autogenerated Market Notice.
     
128262SETTLEMENTS RESIDUE22/07/2025 07:05:19 PM

[EventId:202507221905_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 22 July 2025 19:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1905 hrs on 22 July 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 22 July 2025.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1905 hrs on 22 July 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
     
128218SETTLEMENTS RESIDUE21/07/2025 08:00:28 PM

[EventId:202507212000_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 21 July 2025 20:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2000 hrs on 21 July 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 21 July 2025.

Refer to market notice: 128216

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 2000 hrs on 21 July 2025.

This is an AEMO autogenerated Market Notice.
     
128216SETTLEMENTS RESIDUE21/07/2025 07:00:25 PM

[EventId:202507211900_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 21 July 2025 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 21 July 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 21 July 2025.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1900 hrs on 21 July 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
     
128215NON-CONFORMANCE21/07/2025 06:45:14 PM

NON-CONFORMANCE Region SA1 Monday, 21 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Monday, 21 July 2025

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

Unit: BLYTHB1
Duration: 21/07/2025 18:40 to 21/07/2025 18:45
Amount: 11 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
128214SETTLEMENTS RESIDUE21/07/2025 06:30:31 PM

[EventId:202507211830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 21 July 2025 18:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 21 July 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 21 July 2025.

Refer to market notice: 128212

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 21 July 2025.

This is an AEMO autogenerated Market Notice.
     
128213MARKET SYSTEMS21/07/2025 05:08:02 PM

CHG0104553 - Pre-Prod eMDM Maintenance

Change Number: CHG0104553

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.
     
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