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124472INTER-REGIONAL TRANSFER11/02/2025 06:00:41 PM
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.
The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME
This constraint set(s) contains equations with the following interconnectors on the LHS,
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.
The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME
This constraint set(s) contains equations with the following interconnectors on the LHS,
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124469INTER-REGIONAL TRANSFER11/02/2025 03:59:36 PM
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .
The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .
The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124468INTER-REGIONAL TRANSFER11/02/2025 03:40:29 PM
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Referring to Market Notice 124466.
The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.
Constraint set revoked: CA_SYDS_56BD5936
Manager NEM Real Time Operations
Referring to Market Notice 124466.
The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.
Constraint set revoked: CA_SYDS_56BD5936
Manager NEM Real Time Operations
124466INTER-REGIONAL TRANSFER11/02/2025 02:19:04 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Manager NEM Real Time Operations
124465MARKET SYSTEMS11/02/2025 02:04:53 PM
CHG0100111 | Completed | Pre-Production | Pre-Prod eMDM February Maintenance Release
Change Number: CHG0100111
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM February Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM February Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
124418MARKET SYSTEMS10/02/2025 11:43:25 AM
INC0140978 - ALERT - Frequency Performance Payments (FPP) System
AEMO ELECTRICITY MARKET NOTICE
ALERT - Frequency Performance Payments (FPP) System
AEMO experienced service interruption relating to Frequency Performance Payments (FPP) System. The FPP System was unable to calculate & publish Contribution Factors (CFs) from 14:36 Hrs AEST on 9/02/2025 till 09:34 Hrs AEST on 10/02/2025.
The service interruption relating to Frequency Performance Payments (FPP) System has now been resolved.
Default Contribution Factors (DCFs) will be applicable for the trading intervals where CFs were not calculated.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
ALERT - Frequency Performance Payments (FPP) System
AEMO experienced service interruption relating to Frequency Performance Payments (FPP) System. The FPP System was unable to calculate & publish Contribution Factors (CFs) from 14:36 Hrs AEST on 9/02/2025 till 09:34 Hrs AEST on 10/02/2025.
The service interruption relating to Frequency Performance Payments (FPP) System has now been resolved.
Default Contribution Factors (DCFs) will be applicable for the trading intervals where CFs were not calculated.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
124417GENERAL NOTICE10/02/2025 11:21:57 AM
NEM Local Temperature Alerts for SA, VIC from 10 Feb 2025 to 14 Feb 2025
AEMO ELECTRICITY MARKET NOTICE
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
Adelaide West Terrace (39+ Deg C): 11th Feb, 12th Feb
Clare High School (39+ Deg C): 12th Feb
Mt Gambier Ap (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 11th Feb, 12th Feb
VIC
Mildura Ap (39+ Deg C): 12th Feb
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
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
Adelaide West Terrace (39+ Deg C): 11th Feb, 12th Feb
Clare High School (39+ Deg C): 12th Feb
Mt Gambier Ap (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 11th Feb, 12th Feb
VIC
Mildura Ap (39+ Deg C): 12th Feb
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
124416INTER-REGIONAL TRANSFER10/02/2025 10:09:20 AM
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.
The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.
The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124400RESERVE NOTICE09/02/2025 05:51:30 PM
Cancellation of Actual (LOR1) condition in the NSW region - 09/02/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 09/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124399 is cancelled at 1749 hrs 09/02/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 09/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124399 is cancelled at 1749 hrs 09/02/2025.
Manager NEM Real Time Operations