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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: 15/04/2024 23:34 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
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: 15/04/2024 23:34 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: 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: 15/04/2024 22:54 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: Tumoulin - Woree No.877 275 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 15/04/2024 22:54 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Ross ? Tully South No.8905/1 275 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 No.8905/1 275 kV line and Cardwell ? Tully No.7389 132kV line
Cancellation time: 15/04/2024 20:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 116141
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross ? Tully South No.8905/1 275 kV line line and Cardwell ? Tully No.7389 132kV line 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: Ross ? Tully South No.8905/1 275 kV line and Cardwell ? Tully No.7389 132kV line
Duration: 15/04/2024 17:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
SERVICE RESUMPTION- AEMO NEM Control Rooms BT Phones
SERVICE RESUMPTION - AEMO NEM Control Rooms BT Phones
Refer AEMO Electricity Market Notice 116127
AEMO advises participants that the service interruption relating to: AEMO NEM Control Rooms BT Phones has been resolved.
Participants may resume using the standard AEMO contact numbers.
Participants experiencing any further service issues should contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: supporthub@aemo.com.au
Manager NEM Real Time Operations
SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones
SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones
AEMO is experiencing a service interruption relating to: NEM Control Room Primary BT Phone services
Primary phone communication in and out of the NEM Control Rooms are currently unavailable.
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Participants are requested to contact the AEMO Electricity Control Room via backup means.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: supporthub@aemo.com.au]
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 and L1 FCAS dispatch caps from 15 April 2024
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 15 April AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 250 MW to 325 MW
Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 125 MW to 200 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes 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