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Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 19/06/2024 06:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 19/06/2024 06:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 20/06/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 20/06/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 117049 is cancelled at 1600 hrs 18/06/2024.
No LOR2 condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 21/06/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 117041 is cancelled at 1500 hrs 18/06/2024.
AEMO Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/06/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No.117045 is cancelled at 1600 hrs 18/06/2024.
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 20/06/2024
The Forecast LOR2 condition in the NSW region for 20/06/2024 advised in AEMO Electricity Market Notice No. 117040 has been updated at 1500 hrs 18/06/2024 to the following:
From 1700 hrs to 2100 hrs 20/06/2024.
The forecast capacity reserve requirement is 1246 MW.
The minimum capacity reserve available is 1152 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
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/06/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 19/06/2024 to 1930 hrs 19/06/2024.
The forecast capacity reserve requirement is 1052 MW.
The minimum capacity reserve available is 851 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
Update - Non-credible contingency event - VIC region - 18/06/2024
Update - Non-credible contingency event - VIC region - 18/06/2024
Refer AEMO Electricity Market Notice 117042
The cause of this non credible contingency event is not known at this stage..
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Glenrowan No1 66kV Bus
Duration: 0903 hrs 18/06/2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations