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Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 27/11/2024 01:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/11/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 120989 has been updated at 0100 hrs 27/11/2024 to the following:
[2.] From 0830 hrs 29/11/2024 to 1130 hrs 29/11/2024.
The forecast capacity reserve requirement is 1650 MW.
The minimum capacity reserve available is 1467 MW.
[3.] From 1330 hrs 29/11/2024 to 1900 hrs 29/11/2024.
The forecast capacity reserve requirement is 1487 MW.
The minimum capacity reserve available is 700 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 NSW Region on 28/11/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 120988 has been updated at 0100 hrs 27/11/2024 to the following:
[1.] From 1200 hrs 28/11/2024 to 2130 hrs 28/11/2024.
The forecast capacity reserve requirement is 1367 MW.
The minimum capacity reserve available is 489 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 - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 28/11/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period[s]:
[1.] From 1700 hrs 28/11/2024 to 1800 hrs 28/11/2024.
The forecast capacity reserve requirement is 776 MW.
The minimum capacity reserve available is 728 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
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 26/11/2024 21:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 120983
Auto-generated on behalf of Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 26/11/2024
Update - Non-credible contingency event - NSW region - 26/11/2024
Refer AEMO Electricity Market Notice 121008
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: NSW
Elements: Uranquinty Units 11,12 and 13.
Duration: 1900 hrs 26/11/2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/11/2024
Non-credible contingency event - NSW region - 26/11/2024
At 1637 hrs Uranquinty Unit 12 tripped and at 1639 hrs Uranquinty Units 11 and 13 tripped.
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
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 28/11/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 120972 is cancelled at 16:50 hrs 26/11/2024.
No LOR2 condition is currently forecast in the STPASA period.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 26/11/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 120984 is cancelled at 1545 hrs 26/11/2024.
Manager NEM Real Time Operations