Market Notices

116143RECLASSIFY CONTINGENCY15/04/2024 10:54:50 PM

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.

AEMO ELECTRICITY MARKET NOTICE

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

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116142RECLASSIFY CONTINGENCY15/04/2024 08:54:31 PM

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.

AEMO ELECTRICITY MARKET NOTICE

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

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116141RECLASSIFY CONTINGENCY15/04/2024 05:50:05 PM

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.

AEMO ELECTRICITY MARKET NOTICE

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
     
116128GENERAL NOTICE15/04/2024 11:16:06 AM

SERVICE RESUMPTION- AEMO NEM Control Rooms BT Phones

AEMO ELECTRICITY MARKET NOTICE

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
     
116127GENERAL NOTICE15/04/2024 10:46:44 AM

SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones

AEMO ELECTRICITY MARKET NOTICE

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
     
116074GENERAL NOTICE10/04/2024 11:06:19 AM

Fast Frequency Response Market - Increase in R1 and L1 FCAS dispatch caps from 15 April 2024

AEMO ELECTRICITY MARKET NOTICE

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
     
116069RECLASSIFY CONTINGENCY10/04/2024 01:34:35 AM

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.

AEMO ELECTRICITY MARKET NOTICE

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: 10/04/2024 01:34

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 116068

Auto-generated on behalf of Manager NEM Real Time Operations
     
116068RECLASSIFY CONTINGENCY10/04/2024 12:29:30 AM

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.

AEMO ELECTRICITY MARKET NOTICE

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: 10/04/2024 00:29 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
     
116067RECLASSIFY CONTINGENCY09/04/2024 10:54:35 PM

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.

AEMO ELECTRICITY MARKET NOTICE

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: 09/04/2024 22:54

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 116066

Auto-generated on behalf of Manager NEM Real Time Operations
     
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