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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
NEM Local Temperature Alerts for SA from 02 Dec 2024 to 06 Dec 2024
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
SA
Port Augusta Ap (39+ Deg C): 5th Dec
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
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 - Inter-regional transfer limit variation - to manage Power System Security in NSW region - 28/11/2024
Refer AEMO Electricity Market Notice 121142
Constraint set I-QN_1000 was invoked from 0955 hrs until 1230 hrs 28/11/2024.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - to manage Power System Security in NSW region - 28/11/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked the following constraint set I-QN_1000 from 0955 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1
Manager NEM Real Time Operations
Planned outage of the Red Cliffs - Wemen - Kerang 220kV line in the VIC region on 30/11/2024.
The Red Cliffs - Wemen - Kerang 220kV line in the Victorian (VIC) region is planned to be out of service from 0400 hrs to 1430 hrs on 30/11/2024.
A credible contingency event during this planned outage may require:
- Load shedding in the Victorian outer grid; and/ or
- Market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
AEMO Operations
Cancellation of Actual (LOR2) condition in the NSW region - 27/11/2024
Cancellation of Actual (LOR2) condition in the NSW region - 27/11/2024
The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.121101 is cancelled at 1645 hrs 27/11/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 27/11/2024
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 27/11/2024
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1530 hrs.
The Actual LOR2 condition is forecast to exist until 1700 hrs.
The capacity reserve required is 685 MW
The minimum reserve available is 412 MW
AEMO is seeking an immediate market response.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/11/2024
Non-credible contingency event - NSW region - 26/11/2024
At 1637 hrs Uranquinty Unit 12 tripped and at 1639 hrs Uranquinty Units 11 and 13 tripped.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations