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Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 16/01/2025
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_BRIS_569B1432 from 1425 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
NEM Local Temperature Alerts for QLD, SA, VIC from 16 Jan 2025 to 20 Jan 2025
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.
QLD
Rockhampton Ap (39+ Deg C): 16th Jan
SA
Port Augusta Ap (39+ Deg C): 19th Jan
VIC
Mildura Ap (39+ Deg C): 20th Jan
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
Fast Frequency Response Market - Increase in R1 FCAS dispatch cap from 20th January 2025
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 20th January AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 425 MW to 500 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
Non-credible contingency event - NSW region - 15/01/2025
Non-credible contingency event - NSW region - 15/01/2025
At 2019 hrs the Tomago - Taree (963) 132kV line and the Tomago - Brandy Hill (96C) 132kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of disconnection of 80 MW of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 15/01/2025
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5699E75F from 1655 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025
Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025
At 1400 hrs 15/01/2025 there was an unplanned outage of Murray - Lower Tumut 330 kV 66 line.
The following constraint set(s) invoked at 1415 hrs 15/01/2025
I-LTMS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,V-S-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025
Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025
At 1358 hrs 15/01/2025 there was an unplanned outage of Lower Tumut - Yass 330 kV 03 Line.
The following constraint set(s) invoked at 1400 hrs 15/01/2025
N-X_LTYS_MNYS
This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025
Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025
At 1337 hrs 15/01/2025 there was an unplanned outage of Muswellbrook 330/132 kV Transformer 1.
The following constraint set(s) invoked at 1355 hrs 15/01/2025
N-MUTW_88
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NEM Local Temperature Alerts for QLD, SA from 15 Jan 2025 to 19 Jan 2025
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.
QLD
Rockhampton Ap (39+ Deg C): 16th Jan
SA
Port Augusta Ap (39+ Deg C): 19th Jan
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