Market Notices

122323RECLASSIFY CONTINGENCY20/12/2024 04:06:50 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: 20/12/2024 16:06 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122322RECLASSIFY CONTINGENCY20/12/2024 04:06:50 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: 20/12/2024 16:06 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122321RECLASSIFY CONTINGENCY20/12/2024 04:04:20 PM

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: 20/12/2024 16:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122316

Auto-generated on behalf of Manager NEM Real Time Operations
     
122320RECLASSIFY CONTINGENCY20/12/2024 03:54:30 PM

Cancellation 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

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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 20/12/2024 15:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122314

Auto-generated on behalf of Manager NEM Real Time Operations
     
122319RECLASSIFY CONTINGENCY20/12/2024 03:54:25 PM

Cancellation 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

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

Cancellation time: 20/12/2024 15:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122313

Auto-generated on behalf of Manager NEM Real Time Operations
     
122318INTER-REGIONAL TRANSFER20/12/2024 03:28:59 PM

Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024

At 1445 hrs 20/12/2024 there was an unplanned outage of South East No.61 Capacitor 275kV.

The following constraint set(s) invoked at 1445 hrs 20/12/2024
S-SE_1CP

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122317INTER-REGIONAL TRANSFER20/12/2024 03:16:23 PM

Update Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

At 1300 hrs 20/12/2024 there was a short notice outage of Lismore SVC 132kV.

The following constraint set(s) invoked at 1300 hrs 20/12/2024
N-LS_VC1

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122316RECLASSIFY CONTINGENCY20/12/2024 03:03:40 PM

Reclassification 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

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

Duration: 20/12/2024 15:03 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122315RECLASSIFY CONTINGENCY20/12/2024 03:03:12 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV 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 - Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV

Duration: 20/12/2024 15:00 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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