Market Notices

122188RECLASSIFY CONTINGENCY18/12/2024 01:40:45 PM

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.

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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 18/12/2024 13:40 until further notice

Constraint set(s) invoked:
NONE

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122187RECLASSIFY CONTINGENCY18/12/2024 01:40:45 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: 18/12/2024 13:40 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122172RECLASSIFY CONTINGENCY18/12/2024 01:13:02 PM

Cancellation - Reclassification of a Non-Credible Contingency Event - South Australia Region - 18/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event - South Australia Region - 18/12/2024

Refer to MN 107306

Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of Robertstown - North West Bend No 1 132 kV Line and the North West Bend - Monash - Berri No 1 132 kV Line as a credible contingency event.

Therefore, AEMO cancels the reclassification as a credible contingency event from 1300 hrs 18/12/2024.


Manager NEM Real Time Operations
     
122156GENERAL NOTICE18/12/2024 10:32:22 AM

Network Augmentation Commissioned - SA Region - 18/12/2024

AEMO ELECTRICITY MARKET NOTICE


Network Augmentation Commissioned - SA Region - 18/12/2024

At 0910 hrs 18/12/2024, the Para East Left Bus 275 kV Reactor has been commissioned.

Manager NEM Real Time Operations
     
122138RECLASSIFY CONTINGENCY18/12/2024 06:44:20 AM

Cancellation of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Cancellation time: 18/12/2024 06:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122137

Auto-generated on behalf of Manager NEM Real Time Operations
     
122137RECLASSIFY CONTINGENCY18/12/2024 05:42:05 AM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Duration: 18/12/2024 05:41 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122136RECLASSIFY CONTINGENCY18/12/2024 02:49:26 AM

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.

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 - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 18/12/2024 02:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122133

Auto-generated on behalf of Manager NEM Real Time Operations
     
122135RECLASSIFY CONTINGENCY18/12/2024 01:24:26 AM

Cancellation of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV 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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Cancellation time: 18/12/2024 01:24

Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 122132

Auto-generated on behalf of Manager NEM Real Time Operations
     
122134RECLASSIFY CONTINGENCY18/12/2024 01:24:24 AM

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.

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 18/12/2024 01:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122131

Auto-generated on behalf of Manager NEM Real Time Operations
     
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