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[EventId:202506242000_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 24 June 2025 20:00
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 24 June 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 24 June 2025.
Refer to market notice: 127820
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 2000 hrs on 24 June 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202506241910_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 24 June 2025 19:10
Issued by Australian Energy Market Operator Ltd at 1910 hrs on 24 June 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 24 June 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 1910 hrs on 24 June 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.
[EventId:202506241905_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 24 June 2025 19:05
Issued by Australian Energy Market Operator Ltd at 1905 hrs on 24 June 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 24 June 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 1905 hrs on 24 June 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.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 127740
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1400 hrs 25/06/2025.
The direction update is issued at 1600 hrs 24/06/2025.
Manager NEM Real Time Operations
Completed - CHG0103783 - Planned maintenance affecting the AEMO Market Network.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Cancellation - Direction - NSW region - 23/06/2025
Cancellation - Direction - NSW region - 23/06/2025
Refer to Market Notice 127745.
The requirement for AEMO to issue a direction to maintain the power system in a secure operating state has ended. All associated directions are cancelled from 1907hrs on 23/06/2025.
Manager NEM Real Time Operations
Direction - NSW region 23/06/2025
Direction - NSW region 23/06/2025
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the NSW region.
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided.
A further market notice will be issued when all directions related to this requirement have been cancelled.
For the purposes of the National Electricity Rules this was a clause 4.8.9 instruction under clause 4.8.9(a).
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 127696
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 25/06/2025.
The direction update is issued at 1500 hrs 23/06/2025.
Manager NEM Real Time Operations
Initial - CHG0103783 - Planned maintenance affecting the AEMO Market Network.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Change Start Date & Time: 23/06/2025 07:00:15
Change End Date & Time: 23/06/2025 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 23rd of June 2025, between 07:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Sydney.
During the change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Sydney as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Brisbane will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Sydney, to switch these connections to the Brisbane site as a precaution.
Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Brisbane site and do not need to take any action.
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.