Market Notices

113903RECLASSIFY CONTINGENCY28/01/2024 08:39:45 AM

Cancellation of a Non-Credible Contingency Event: Middle Ridge No.2 275/110 kV Transformer line and Middle Ridge No.3 275/110 kV Transformer 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: Middle Ridge No.2 275/110 kV Transformer and Middle Ridge No.3 275/110 kV Transformer

Cancellation time: 28/01/2024 08:39

Constraint set(s) revoked:
Q-MR_TX2_3_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 113901

Auto-generated on behalf of Manager NEM Real Time Operations
113901RECLASSIFY CONTINGENCY28/01/2024 06:35:25 AM

Reclassification of a Non-Credible Contingency Event: Middle Ridge No.2 275/110 kV Transformer line and Middle Ridge No.3 275/110 kV Transformer 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: Middle Ridge No.2 275/110 kV Transformer and Middle Ridge No.3 275/110 kV Transformer

Duration: 28/01/2024 06:35 until further notice

Constraint set(s) invoked:
Q-MR_TX2_3_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
113897RECLASSIFY CONTINGENCY28/01/2024 03:14:45 AM

Cancellation of a Non-Credible Contingency Event: Middle Ridge No.2 275/110 kV Transformer line and Middle Ridge No.3 275/110 kV Transformer 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: Middle Ridge No.2 275/110 kV Transformer and Middle Ridge No.3 275/110 kV Transformer

Cancellation time: 28/01/2024 03:14

Constraint set(s) revoked:
Q-MR_TX2_3_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 113894

Auto-generated on behalf of Manager NEM Real Time Operations
113894RECLASSIFY CONTINGENCY28/01/2024 12:09:45 AM

Reclassification of a Non-Credible Contingency Event: Middle Ridge No.2 275/110 kV Transformer line and Middle Ridge No.3 275/110 kV Transformer 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: Middle Ridge No.2 275/110 kV Transformer and Middle Ridge No.3 275/110 kV Transformer

Duration: 28/01/2024 00:09 until further notice

Constraint set(s) invoked:
Q-MR_TX2_3_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
113893RECLASSIFY CONTINGENCY27/01/2024 10:54:49 PM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 27/01/2024 22:54

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


Refer AEMO Electricity Market Notice 113891

Auto-generated on behalf of Manager NEM Real Time Operations
113891RECLASSIFY CONTINGENCY27/01/2024 07:51:02 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: 27/01/2024 19:50 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
113890RECLASSIFY CONTINGENCY27/01/2024 07:44:46 PM

Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Cancellation time: 27/01/2024 19:44

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 113864

Auto-generated on behalf of Manager NEM Real Time Operations
113887RECLASSIFY CONTINGENCY27/01/2024 06:19:45 PM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 27/01/2024 18:19

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


Refer AEMO Electricity Market Notice 113850

Auto-generated on behalf of Manager NEM Real Time Operations
113886PRICES UNCHANGED27/01/2024 06:21:47 PM

[EventId:202401271750_confirmed] Prices for interval 27-Jan-2024 17:50 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1815 hrs on 27 January 2024

PRICES ARE NOW CONFIRMED for trading interval 27-Jan-2024 17:50.

In accordance with Market Notice 113874 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
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