Market Notices

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.
     
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.
     
128212SETTLEMENTS RESIDUE21/07/2025 04:30:39 PM

[EventId:202507211630_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 21 July 2025 16:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1630 hrs on 21 July 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 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 VIC to SA directional interconnector.

The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1630 hrs on 21 July 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.
     
128190INTER-REGIONAL TRANSFER19/07/2025 07:35:53 PM

Inter-regional transfer limit variation - Eraring 500kV - Kemps Creek 5A2 500kV Line - NSW region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Eraring500kV - Kemps Creek 5A2 500kV Line - NSW region - 19/07/2025

At 1910 hrs 19/07/2025 there was a short notice outage of Eraring 500kV - Kemps Creek 5A2 500kV Line .

The following constraint set(s) invoked at 1920 hrs 19/07/2025
N-ERKC_ONE

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128176INTER-REGIONAL TRANSFER19/07/2025 03:25:24 PM

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

A planned outage of Bulgana-Horsham 220kV LINE in the VIC region was scheduled from 0700 hrs 19/07/2025 to 1730 hrs 19/07/2025.

The outage has been completed and Bulgana-Horsham 220kV LINE returned to service at 1525 hrs 19/07/2025

Constraint set(s) revoked: V-BUHO

Manager NEM Real Time Operations
     
128164INTER-REGIONAL TRANSFER18/07/2025 12:18:28 PM

Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025

At 1207 hrs 18/07/2025 there was an unplanned outage of S3 Greenbank 275 kV SVC.

The following constraint set(s) invoked at 1215 hrs 18/07/2025
Q-GB_VC

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128151INTER-REGIONAL TRANSFER17/07/2025 03:15:24 PM

Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Calvale-Halys 8810 275kV LINE - QLD region - 17/07/2025

A planned outage of Calvale-Halys 8810 275kV LINE in the QLD region was scheduled from 2300 hrs 15/07/2025 to 1600 hrs 18/07/2025.

The outage has been completed and Calvale-Halys 8810 275kV LINE returned to service at 1500 hrs 17/07/2025

Constraint set(s) revoked: Q-HACL

Manager NEM Real Time Operations
     
128149PRICES UNCHANGED16/07/2025 10:35:31 PM

[EventId:202507162215_confirmed] Prices for interval 16-Jul-2025 22:15 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2235 hrs on 16 July 2025

PRICES ARE NOW CONFIRMED for trading interval 16-Jul-2025 22:15.

In accordance with Market Notice 128139 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
     
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