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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: 03/12/2023 17:47 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: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 03/12/2023 17:30 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Periods:
[1.] From 1800 hrs 03/12/2023 to 1930 hrs 03/12/2023.
The forecast capacity reserve requirement is 1293 MW.
The minimum capacity reserve available is 1168 MW.
[2.] From 2130 hrs 03/12/2023 to 2200 hrs 03/12/2023.
The forecast capacity reserve requirement is 1308 MW.
The minimum capacity reserve available is 1298 MW.
Manager NEM Real Time Operations
Cancellation 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.
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 03/12/2023 17:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 111958
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023
At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.
The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_VC
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
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region [beginning] on 03/12/2023
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111962 is cancelled at 1530 hrs 03/12/2023.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 02/12/2023
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 02/12/2023
Refer Market Notice 111935
The AEMO Intervention Event and all associated directions are cancelled from 1630 hrs 03/12/2023
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 03/12/2023
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 03/12/2023
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Units 1,2,3 and 4 at Kareeya Power Station as a credible contingency event.
AEMO considers the simultaneous trip of Units 1,2,3 and 4 to now be more likely.
AEMO has reclassified this as a credible contingency event from 1500 hrs 03/12/2023 until further notice.
Constraint set(s) invoked: None
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/12/2023
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 1630 hrs 08/12/2023 to 1800 hrs 08/12/2023.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1303 MW.
Manager NEM Real Time Operations