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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: 18/05/2024 00:33 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
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 20/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116657 has been updated at 2100 hrs 17/05/2024 to the following:
[1.] From 0530 hrs 20/05/2024 to 0830 hrs 20/05/2024.
The forecast capacity reserve requirement is 1238 MW.
The minimum capacity reserve available is 730 MW.
[2.] From 1600 hrs 20/05/2024 to 2000 hrs 20/05/2024.
The forecast capacity reserve requirement is 1228 MW.
The minimum capacity reserve available is 538 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 19/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116658 has been updated at 2100 hrs 17/05/2024 to the following:
[1.] From 1700 hrs 19/05/2024 to 2230 hrs 19/05/2024.
The forecast capacity reserve requirement is 1114 MW.
The minimum capacity reserve available is 971 MW.
[2.] From 2330 hrs 19/05/2024 to 0000 hrs 20/05/2024.
The forecast capacity reserve requirement is 1147 MW.
The minimum capacity reserve available is 1145 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 19/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116654 has been updated at 2000 hrs 17/05/2024 to the following:
From 1700 hrs 19/05/2024 to 1900 hrs 19/05/2024.
The forecast capacity reserve requirement is 1190 MW.
The minimum capacity reserve available is 1164 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 20/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116642 has been updated at 2000 hrs 17/05/2024 to the following:
[1.] From 0600 hrs 20/05/2024 to 0830 hrs 20/05/2024.
The forecast capacity reserve requirement is 1162 MW.
The minimum capacity reserve available is 730 MW.
[2.] From 1600 hrs 20/05/2024 to 1900 hrs 20/05/2024.
The forecast capacity reserve requirement is 1164 MW.
The minimum capacity reserve available is 548 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 NSW Region on 19/05/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
From 1630 hrs to 2200 hrs 19/05/2024.
The forecast capacity reserve requirement is 1204 MW.
The minimum capacity reserve available is 1168 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 20/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116641 has been updated at 1000 hrs 17/05/2024 to the following:
From 0600 hrs 20/05/2024 to 0830 hrs 20/05/2024.
The forecast capacity reserve requirement is 1240 MW.
The minimum capacity reserve available is 868 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 NSW Region on 20/05/2024
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:
From 0600 hrs to 0730 hrs 20/05/2024.
The forecast capacity reserve requirement is 1126 MW.
The minimum capacity reserve available is 1121 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: Reclassification of non-credible contingency event due to existence of widespread abnormal condition - NEM regions.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 116572 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1115 hrs 13/05/2024.
Manager NEM Real Time Operations