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Update - Non-credible contingency event - NSW region - 26/07/2025
Update - Non-credible contingency event - NSW region - 26/07/2025
Refer AEMO Electricity Market Notice 128353
At 0832 hrs the Canberra A 132kV Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/07/2025
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 kV Line 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
Non-credible contingency event - TAS region - 19/07/2025
Non-credible contingency event - TAS region - 19/07/2025
At 1240 hrs the Liapoota - Wadamana - Palmerston 220 kV line and the Cattle Hill Wind Farm - Wadamana 220 kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised of a 70 MW load reduction at Nyrstar.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 18/07/2025
Non-credible contingency event - QLD region - 18/07/2025
At 0825 hrs the H11_Nebo 275/132 kV No.1 Transformer was switched out on a planned outage and the H11_Nebo 275 kV SVC 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
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/07/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1800 hrs 16/07/2025 to 1900 hrs 16/07/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1343 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 128118 is cancelled at 1338 hrs 13/07/2025.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 14/07/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 0800 hrs 14/07/2025 to 0930 hrs 14/07/2025.
The forecast capacity reserve requirement is 436 MW.
The minimum capacity reserve available is 325 MW.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/07/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 08/07/2025 to 1800 hrs 08/07/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1392 MW.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 12/07/2025
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127957 is cancelled at 1400 hrs 06/07/2025.
Manager NEM Real Time Operations