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INC0144295 | UPDATE | Meter Data Management ¿ Degraded performance reported.
SERVICE INTERRUPTION - UPDATE
AEMO is experiencing a service interruption relating to the Market Settlements and Transfer Solutions - Meter Data Management system.
AEMO is working on the issue. A potential root cause is being investigated.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
[EventId:202505131635_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 13 May 2025 16:35
Issued by Australian Energy Market Operator Ltd at 1635 hrs on 13 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 May 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 1635 hrs on 13 May 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.
[EventId:202505131545_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 13 May 2025 15:45
Issued by Australian Energy Market Operator Ltd at 1545 hrs on 13 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 May 2025.
Refer to market notice: 127024
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 1545 hrs on 13 May 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202505131500_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 13 May 2025 15:00
Issued by Australian Energy Market Operator Ltd at 1500 hrs on 13 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 May 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 1500 hrs on 13 May 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.
CHG0103124 - Planned System Maintenance activity.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Change Start Date & Time: 07/05/2025 12:00:00
Change End Date & Time: 07/05/2025 13:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.
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.
INC0144295 | UPDATE | Meter Data Management ¿ Degraded performance reported.
SERVICE INTERRUPTION - UPDATE
AEMO is experiencing a service interruption relating to the Market Settlements and Transfer Solutions - Meter Data Management system.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
INC0144295 | UPDATE | Meter Data Management ¿ Degraded performance reported.
SERVICE INTERRUPTION - UPDATE
AEMO is experiencing a service interruption relating to the Market Settlements and Transfer Solutions - Meter Data Management system.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
NON-CONFORMANCE Region NSW1 Monday, 12 May 2025
NON-CONFORMANCE NSW1 Region Monday, 12 May 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 12/05/2025 15:05 to 12/05/2025 15:10
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
CHG0103220 - Renewal and update of Preproduction Boomi server certificates
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Boomi_PreProd
Change Title: Renewal and update of Preproduction Boomi server certificates
Change Start Date & Time: 14/05/2025 10:00:00
Change End Date & Time: 14/05/2025 14:00:00
Outage Start Date & Time: 14/05/2025 11:00:00
Outage End Date & Time: 14/05/2025 11:15:00
Environment: Pre-Production
Participant Impact and Requirements: Boomi (azure) batch and real-time runtimes server certificates are expiring on May 25th 2025 and needs to be renewed for the application to be functional and to process the requests.
CN=boomi-ppd-bch.aemo.local
CN=boomi-ppd-rtm.aemo.local
CDR and CDP will be unavailable during this outage.
TLS Certificate Management portal will be unavailable during this outage.
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.