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STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 10/07/2025
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127994 has been updated to the following:
[1.] From 0000 hrs 10/07/2025 to 0100 hrs 10/07/2025.
The forecast capacity reserve requirement is 629 MW.
The minimum capacity reserve available is 596 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/07/2025
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127993 has been updated to the following:
[1.] From 2100 hrs 09/07/2025 to 2359 hrs 09/07/2025.
The forecast capacity reserve requirement is 610 MW.
The minimum capacity reserve available is 498 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2200 hrs 08/07/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - SA region.
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action(s) to maintain power system security at 0220 hrs 08/07/2025.
Constraint set(s) invoked:
I-VS_250
Duration: 0220 hrs until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 0030 hrs 08/07/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 0030 hrs 08/07/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127965
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 1500 hrs 08/07/2025.
The direction update is issued at 1600 hrs 07/07/2025.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 10/07/2025
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127990 has been updated at 1300 hrs 07/07/2025 to the following:
From 0000 hrs to 0100 hrs 10/07/2025.
The forecast capacity reserve requirement is 688 MW.
The minimum capacity reserve available is 659 MW.
AEMO is seeking a market response.
[AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/07/2025
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127991 has been updated at 1300 hrs 07/07/2025 to the following:
1. From 0730 hrs to 2030 hrs 09/07/2025.
The forecast capacity reserve requirement is 767 MW.
The minimum capacity reserve available is 710 MW.
2. From 2100 hrs to 2359 hrs 09/07/2025.
The forecast capacity reserve requirement is 697 MW.
The minimum capacity reserve available is 566 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations