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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.
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.
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.
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.
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.
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.
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.
128211MARKET SYSTEMS21/07/2025 04:32:59 PM
The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward.
Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.
Participants are required to make sure the connectivity is intact post change implementation.
In case of any issues noticed, please reach out to AEMO Support Hub.
CHG0102957|PROD|Enable TLS 1.3 for Gas B2B Hub and disable TLS version 1.0/1.1
The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward.
Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.
Participants are required to make sure the connectivity is intact post change implementation.
In case of any issues noticed, please reach out to AEMO Support Hub.
128174MARKET INTERVENTION19/07/2025 02:31:53 PM
Cancellation - AEMO Intervention Event - SA region 18/07/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 18/07/2025
Refer to Market Notice 128167
The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs on 19/07/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 18/07/2025
Refer to Market Notice 128167
The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs on 19/07/2025.
Manager NEM Real Time Operations
128173MARKET INTERVENTION19/07/2025 02:31:43 PM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 128166
Direction is cancelled from: 1430 hrs 19/07/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 128166
Direction is cancelled from: 1430 hrs 19/07/2025
Manager NEM Real Time Operations
128168GENERAL NOTICE18/07/2025 02:05:37 PM
Planned outage of Dapto - Kangaroo Valley (18) 330 kV line in the NSW region on 20/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Dapto - Kangaroo Valley (18) 330 kV line in the New South Wales (NSW) region is planned to be out of service from 0615 hrs to 1630 hrs 20/07/2025.
This outage is considered as a High Impact Outage (HIO).
During this planned outage:
- There is a potential for Energy and FCAS prices to approach the Market Price Cap.
- Power transfer will be restricted between VIC/Snowy and NSW.
Refer AEMO Network Outage Schedule (NOS) for further details.
AEMO Operations
The Dapto - Kangaroo Valley (18) 330 kV line in the New South Wales (NSW) region is planned to be out of service from 0615 hrs to 1630 hrs 20/07/2025.
This outage is considered as a High Impact Outage (HIO).
During this planned outage:
- There is a potential for Energy and FCAS prices to approach the Market Price Cap.
- Power transfer will be restricted between VIC/Snowy and NSW.
Refer AEMO Network Outage Schedule (NOS) for further details.
AEMO Operations