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Forecast Minimum System Load (MSL1) condition in the VIC region on 08/12/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 08/12/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
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
STPASA - Update of the suspect Lack Of Reserve Level 3 (LOR3) condition in the NSW Region on 06/12/2024
The suspect LOR3 condition advised in AEMO Electricity Market Notice No. 121292 has been reviewed.
AEMO considers this forecast LOR3 condition invalid. Subsequent STPASA runs are producing valid solutions.
AEMO Operations
STPASA - Suspect Lack Of Reserve Level 3 (LOR3) in the NSW Region on 06/12/2024
AEMO considers that there is a suspect Forecast LOR3 condition for the NSW region for the following period:
From 1630 hrs 06/12/2024 to 1700 hrs 06/12/2024.
AEMO is currently investigating this LOR3 forecast condition to confirm whether they are valid.
AEMO 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