Market Notices

122193RECLASSIFY CONTINGENCY18/12/2024 02:47:05 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 18/12/2024 14:47 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122192RECLASSIFY CONTINGENCY18/12/2024 02:09:10 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: 18/12/2024 14:09 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122191RECLASSIFY CONTINGENCY18/12/2024 02:04:41 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 18/12/2024 14:04 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
     
122190RECLASSIFY CONTINGENCY18/12/2024 01:59:39 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines in QLD 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: QLD

Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines
Duration: 18/12/2024 14:00 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
     
122189RECLASSIFY CONTINGENCY18/12/2024 01:52:15 PM

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 13:52 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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

Auto-generated on behalf of Manager NEM Real Time Operations
     
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
     
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