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CHG0100220 | Pre-Production | Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages
Change Start Date & Time: 09/12/2024 08:00:00 AEST
Change End Date & Time: 10/12/2024 23:00:00 AEST
Outage Start Date & Time: 09/12/2024 08:00:00 AEST
Outage End Date & Time: 10/12/2024 23:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: This Maintenance activity may cause intermittent outages to below applications during the outage period .
Impacted Systems:
1.EMMS systems (Dispatch/ PASA/ Forecasting/ Settlements)
2.Identity Service will be running only for authentication purposes.
3.Web Portal including menu items (Markets, Internal & Public portal)
4.GSH
5.GBB
6.Any GAS systems that have a NEMA / WARA database connection.
7.MSATS
8.CDR
9.DERR
If any ongoing issues are identified, please contact the AEMO Support Hub 1300 236 600.
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 .
INC0138848 - ALERT - EMMS - RESOLVED
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
INC0138848 - ALERT - EMMS
SERVICE INTERRUPTION - ALERT
AEMO is experiencing a service interruption relating to the Electricity Market Management System service.
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
Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
Refer AEMO Electricity Market Notice 121376
AEMO has been notified that the controls to vary Murraylink output are now available.
Constraint set I-CTRL_ISSUE_ML revoked at 1420 hrs.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)
AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.
Constraint set I-CTRL_ISSUE_ML invoked from 1350 hrs.
The constraint set contains equations with the following interconnector on the LHS:
V-S-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Red Cliffs - Wemen 220 kV line - VIC region - 30/11/2024
Inter-regional transfer limit variation - Red Cliffs - Wemen 220 kV line - VIC region - 30/11/2024
A planned outage of Red Cliffs - Wemen 220 kV line in the VIC region was scheduled from 0400 hrs 30/11/2024 to 1430 hrs 30/11/2024.
The outage has been completed and Red Cliffs - Wemen 220 kV line returned to service at 1120 hrs 30/11/2024
Constraint set(s) revoked: V-KG_WE_RC
Manager NEM Real Time Operations
Cancellation - Foreseeable intervention to manage power system security in SA region 30/11/2024
Cancellation - Foreseeable intervention to manage power system security in SA region 30/11/2024
Refer Market Notice 121281
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 0915 hrs 30/11/2024.
Manager NEM Real Time Operations
Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 121280
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1100 hrs 30/11/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 0900 hrs 30/11/2024, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1100 hrs 30/11/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations