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CHG0103089 - ERI & STPASA Recall Period Production Release
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: ERI & STPASA Recall Period Production Release
Change Start Date & Time: 30/06/2025 09:00:00
Change End Date & Time: 04/07/2025 18:00:00
Outage Start Date & Time: 30/06/2025 11:45:00
Outage End Date & Time: 30/06/2025 11:55:00
Environment: Production
Participant Impact and Requirements: Under this change, AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch, 5-Minute Predispatch, Predispatch, PD7, Bidding, SOMMS and?Registration. This change will become effective upon rule commencement on 1 July, 2025
Impact : A Planned outage for BIDDING application is scheduled on 30th June 2025 between 11:45 AM and 11:55 AM. The application will be unavailable for approximately 5-7 min during this window.
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.
[EventId:202506242130_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 24 June 2025 21:30
Issued by Australian Energy Market Operator Ltd at 2130 hrs on 24 June 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 24 June 2025.
Refer to market notice: 127824
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 2130 hrs on 24 June 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202506242035_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 24 June 2025 20:35
Issued by Australian Energy Market Operator Ltd at 2035 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 2035 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:202506242000_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 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 SA - 24 June 2025.
Refer to market notice: 127821
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 2000 hrs on 24 June 2025.
This is an AEMO autogenerated Market Notice.
[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.
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.
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.