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Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 02/12/2023 18:48
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 111942
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PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111941 is cancelled at 1825 hrs 02/12/2023.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 02/12/2023
Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 02/12/2023
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1820 hrs.
The Actual LOR1 condition is forecast to exist until 2000 hrs
The capacity reserve requirement is 1299 MW
The minimum capacity reserve available is 1167 MW
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: 02/12/2023 17:48 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 - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111938 has been updated at 1700 hrs to the following:
[1.] From 1830 hrs 03/12/2023 to 2000 hrs 03/12/2023.
The forecast capacity reserve requirement is 1295 MW.
The minimum capacity reserve available is 1150 MW.
[2.] From 2130 hrs 03/12/2023 to 2200 hrs 03/12/2023.
The forecast capacity reserve requirement is 1306 MW.
The minimum capacity reserve available is 1278 MW.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 02/12/2023
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 1900 hrs 02/12/2023 to 1930 hrs 02/12/2023.
The forecast capacity reserve requirement is 1301 MW.
The minimum capacity reserve available is 1287 MW.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 02/12/2023 16:47 until further notice
Constraint set(s) invoked:
NONE
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 Period:
[1.] From 1900 hrs 03/12/2023 to 1930 hrs 03/12/2023.
The forecast capacity reserve requirement is 1295 MW.
The minimum capacity reserve available is 1270 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111929 is cancelled at 1545 hrs 02/12/2023.
Manager NEM Real Time Operations