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CHG0100502 | Production | 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 ***Outage Updated***
Change Start Date & Time: 19/12/2024 07:00:00 AEST
Change End Date & Time: 20/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 19/12/2024 09:12:00 AEST
Outage 1 End Date & Time: 19/12/2024 09:13:00 AEST
Outage 2 Start Date & Time: 19/12/2024 15:12:00 AEST
Outage 2 End Date & Time: 19/12/2024 15:13:00 AEST
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 19th of December 2024, between 07:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.
During there change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.
Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney 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 .
[EventId:202412161800_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 16 December 2024 18:00
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 16 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 December 2024.
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 1800 hrs on 16 December 2024.
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.
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/12/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/12/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs
The capacity reserve requirement is 1340 MW
The minimum capacity reserve available is 1297 MW
Manager NEM Real Time Operations
[EventId:202412161700_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 16 December 2024 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 16 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 December 2024.
Refer to market notice: 122016
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 1700 hrs on 16 December 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202412161530_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 16 December 2024 15:30
Issued by Australian Energy Market Operator Ltd at 1530 hrs on 16 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 December 2024.
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 1530 hrs on 16 December 2024.
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.
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/12/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122002 is cancelled at 1330 hrs 16/12/2024.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
From 1830 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1542 MW.
The minimum capacity reserve available is 1332 MW.
Manager NEM Real Time Operations
[EventId:202412161300_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 16 December 2024 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 16 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 16 December 2024.
Refer to market notice: 122001
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 1300 hrs on 16 December 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202412161245_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 16 December 2024 12:45
Issued by Australian Energy Market Operator Ltd at 1245 hrs on 16 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 16 December 2024.
Refer to market notice: 122003
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 1245 hrs on 16 December 2024.
This is an AEMO autogenerated Market Notice.