Filter by category
Filter by Date
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked the following automated constraint sets.
CA_SYDS_5505D0BC from 04:40 hrs to 05:10 hrs
CA_SYDS_5505D516 from 04:55 hrs to 05:10 hrs
These constraint sets contains equations with the following interconnector on the LHS;
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024
Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024
At 2307 hrs 14/03/2024 there was an unplanned outage of Robertstown - Tungkillo No. 1 275 kV Line.
The following constraint set(s) invoked at 2315 hrs 14/03/2024
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 14/03/2024
Non-credible contingency event - SA region - 14/03/2024
At 2307 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus tripped.
AEMO did not instruct load shedding.
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
Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024
Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024
At 0800 hrs 14/03/2024 there was a short notice outage of Lismore 132kV SVC.
The following constraint set(s) invoked at 0800 hrs 14/03/2024
N-LS_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 FCAS dispatch cap from 18 March 2024.
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 March AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 225 MW to 250 MW
Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 125 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes 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 - QLD region - 12/03/2024
Non-credible contingency event - QLD region - 12/03/2024
At 0249 hrs the Strathmore - Clare South No 7208 132KV Line opened at Strathmore end only.
AEMO did not instruct load shedding.
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
Cancellation of Actual (LOR1) condition in the SA region - 11/03/2024
Cancellation of Actual (LOR1) condition in the SA region - 11/03/2024
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.115593 is cancelled at 1945 hrs 11/03/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 11/03/2024
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 11/03/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs
The capacity reserve requirement is 498 MW
The minimum capacity reserve available is 255 MW
Manager NEM Real Time Operations
NEM Local Temperature Alerts for SA, VIC from 11 Mar 2024 to 15 Mar 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
Adelaide West Terrace (39+ Deg C): 11th Mar
Mt Gambier Ap (39+ Deg C): 11th Mar
Port Augusta Ap (39+ Deg C): 11th Mar, 12th Mar, 13th Mar
VIC
Mildura Ap (39+ Deg C): 12th Mar
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