Market Notices

126488SETTLEMENTS RESIDUE10/04/2025 07:00:27 PM

[EventId:202504101900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 10 April 2025 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 10 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 April 2025.

Refer to market notice: 126477

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 1900 hrs on 10 April 2025.

This is an AEMO autogenerated Market Notice.
     
126477SETTLEMENTS RESIDUE10/04/2025 05:05:22 PM

[EventId:202504101705_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 10 April 2025 17:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1705 hrs on 10 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 April 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 1705 hrs on 10 April 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.
     
126466GENERAL NOTICE10/04/2025 11:12:18 AM

Release of PEC-1 and combined V-SA limits - 11 April 2025

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 123956

AEMO, Transgrid and Electranet have reviewed the test results following the PEC Stage 1 testing on 31st January 2025. Hold points 4 and 5 can now be released.

The following limits will be released as of 1000hrs 11th April 2025:
- PEC-1 - 150 MW (both directions)
- Heywood + PEC1 - 750 MW from Vic to SA and 700 MW from SA to Vic
- The existing Heywood limits of 600 and 550 MW are not being changed.

With the release of these limits AEMO will be looking for testing opportunities for increases to Heywood as per the test plan: https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations
     
126465INTER-REGIONAL TRANSFER10/04/2025 10:00:31 AM

Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

Refer to Market Notice 126464.

The cause of the unplanned outage of APD - Heywood - Mortlake 500 kV line in the VIC region has been identified and resolved. The outage has been completed and the APD - Heywood - Mortlake 500 kV line returned to service at 0948 hrs 10/04/2025

Constraint set(s) revoked: V-HYMO

Manager NEM Real Time Operations
     
126464INTER-REGIONAL TRANSFER10/04/2025 08:49:30 AM

Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

At 0825 hrs 10/04/2025 there was an unplanned outage of the APD - Heywood - Mortlake 500 kV line.

The following constraint set(s) invoked at 0835 hrs 10/04/2025
V-HYMO

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
126463SETTLEMENTS RESIDUE09/04/2025 07:15:26 PM

[EventId:202504091915_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 09 April 2025 19:15

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1915 hrs on 9 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 9 April 2025.

Refer to market notice: 126459

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

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1915 hrs on 9 April 2025.

This is an AEMO autogenerated Market Notice.
     
126461SETTLEMENTS RESIDUE09/04/2025 07:00:25 PM

[EventId:202504091900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 09 April 2025 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 9 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 9 April 2025.

Refer to market notice: 126448

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 1900 hrs on 9 April 2025.

This is an AEMO autogenerated Market Notice.
     
126459SETTLEMENTS RESIDUE09/04/2025 06:30:31 PM

[EventId:202504091830_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 09 April 2025 18:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 9 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 9 April 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 NSW directional interconnector.

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 1830 hrs on 9 April 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.
     
126448SETTLEMENTS RESIDUE09/04/2025 05:15:16 PM

[EventId:202504091715_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 09 April 2025 17:15

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1715 hrs on 9 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 9 April 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 1715 hrs on 9 April 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.
     
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