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Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Cancellation time: 16/03/2025 15:34
Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 125713
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Duration: 16/03/2025 14:32 until further notice
Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 16/03/2025 14:32 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125700 has been updated at1415 hrs to the following:
[1.] From 1700 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1720 MW.
The minimum capacity reserve available is 1162 MW.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 16/03/2025
Update - Non-credible contingency event - QLD region - 16/03/2025
Refer AEMO Electricity Market Notice 125701
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: QLD
Elements: H35 Strathmore No 2 132 kV bus
Duration: 1300 hrs 16/03/2025 until further notice
Constraint set(s) invoked: NIL
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125698 has been updated at1045 hrs to the following:
[1.] From 1600 hrs 16/03/2025 to 1700 hrs 16/03/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 725 MW.
[2.] From 1830 hrs 16/03/2025 to 2000 hrs 16/03/2025.
The forecast capacity reserve requirement is 1817 MW.
The minimum capacity reserve available is 1159 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125696 has been updated to the following:
[1.] From 1600 hrs 16/03/2025 to 1730 hrs 16/03/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 774 MW.
[2.] From 1800 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1844 MW.
The minimum capacity reserve available is 1154 MW.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125671 has been updated to the following:
From 1630 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 880 MW.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line
Cancellation time: 15/03/2025 17:33
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 125672
Auto-generated on behalf of Manager NEM Real Time Operations