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Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 30/06/2024 06:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117250
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/06/2024 05:14 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region beginning on 02/07/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following periods:
[1.] From 0800 hrs 02/07/2024 to 0830 hrs 02/07/2024.
The forecast capacity reserve requirement is 646 MW.
The minimum capacity reserve available is 637 MW.
[2.] From 0800 hrs 03/07/2024 to 0830 hrs 03/07/2024.
The forecast capacity reserve requirement is 646 MW.
The minimum capacity reserve available is 637 MW.
Manager NEM Real Time Operations
Fast Frequency Response Market - Dispatch of R1 and L1 FCAS in the SA region during island conditions from 1 July 2024
From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.
This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.
The dispatch of R1 and L1 FCAS under these island conditions will not be capped.
These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.
No other changes to the dispatch of R1 and L1 FCAS will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
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: 27/06/2024 15:54
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 117219
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: 27/06/2024 14:52 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 - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2023
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117203 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117202 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117201 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations