Market Notices

122349RECLASSIFY CONTINGENCY21/12/2024 12:41:55 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: 21/12/2024 12:41 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122346SETTLEMENTS RESIDUE21/12/2024 12:30:25 PM

[EventId:202412211230_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 21 December 2024 12:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1230 hrs on 21 December 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2024.

Refer to market notice: 122343

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1230 hrs on 21 December 2024.

This is an AEMO autogenerated Market Notice.
     
122343SETTLEMENTS RESIDUE21/12/2024 08:00:20 AM

[EventId:202412210800_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 21 December 2024 08:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0800 hrs on 21 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 21 December 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0800 hrs on 21 December 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
122342RECLASSIFY CONTINGENCY21/12/2024 05:38:01 AM

Cancellation 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.

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: QLD

Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines

Cancellation time: 21/12/2024 05:30

Constraint set(s) invoked: Nil

Refer AEMO Electricity Market Notice 122339

Manager NEM Real Time Operations
     
122340MARKET INTERVENTION21/12/2024 03:54:16 AM

Cancellation: Direction issued to: Synergen Power Pty Limited - MINTARO MINTARO GAS

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: Synergen Power Pty Limited - MINTARO MINTARO GAS

Refer to Market Notice 122297

Direction is cancelled from: 0400 hrs 21/12/2024

Manager NEM Real Time Operations
     
122339RECLASSIFY CONTINGENCY21/12/2024 01:26:36 AM

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

Duration: 21/12/2024 01:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122338RECLASSIFY CONTINGENCY21/12/2024 12:00:48 AM

Cancellation 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.

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: QLD

Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines

Cancellation time: 21/12/2024 00:00

Constraint set(s) invoked: Nil

Refer AEMO Electricity Market Notice 122315

Manager NEM Real Time Operations
     
122337RECLASSIFY CONTINGENCY20/12/2024 11:49:22 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 20/12/2024 23:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122328

Auto-generated on behalf of Manager NEM Real Time Operations
     
122336RECLASSIFY CONTINGENCY20/12/2024 11:44:25 PM

Cancellation 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

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 North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Cancellation time: 20/12/2024 23:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122333

Auto-generated on behalf of Manager NEM Real Time Operations
     
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