Market Notices

112518PRICES SUBJECT TO REVIEW19/12/2023 11:20:16 AM

[EventId:202312191125_review] Prices for interval 19-Dec-2023 11:25 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1120 hrs on 19 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 19-Dec-2023 11:25.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
112517PRICES SUBJECT TO REVIEW19/12/2023 11:15:25 AM

[EventId:202312191120_review] Prices for interval 19-Dec-2023 11:20 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1115 hrs on 19 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 19-Dec-2023 11:20.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
112515RECLASSIFY CONTINGENCY19/12/2023 10:44:35 AM

Reclassification 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

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

Duration: 19/12/2023 10:44 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112513RECLASSIFY CONTINGENCY19/12/2023 02:49:14 AM

Cancellation of a Non-Credible Contingency Event: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers in SA region 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: SA1

Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers

Cancellation time: 19/12/2023 02:50

Constraint set(s) revoked: S-RBTU+SCON_N-2

Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1


Refer AEMO Electricity Market Notice 112512

Manager NEM Real Time Operations
112512RECLASSIFY CONTINGENCY19/12/2023 01:30:26 AM

Reclassification of Non-Credible Contingency Event : Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers in SA region 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 be more likely and reasonably possible. Accordingly AEMO has reclassified it as credible contingency event.

Region: SA1

Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers

Duration: 19/12/2023 01:20 hrs until further notice

Constraint set(s) revoked: S-RBTU+SCON_N-2

Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1

Manager NEM Real Time Operations
112511RECLASSIFY CONTINGENCY18/12/2023 11:39:35 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: 18/12/2023 23:39

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 112510

Auto-generated on behalf of Manager NEM Real Time Operations
112510RECLASSIFY CONTINGENCY18/12/2023 10:38:10 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: 18/12/2023 22:38 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
112509RECLASSIFY CONTINGENCY18/12/2023 08:29:35 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: 18/12/2023 20:29

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 112491

Auto-generated on behalf of Manager NEM Real Time Operations
112501PRICES SUBJECT TO REVIEW18/12/2023 06:25:13 PM

[EventId:202312181830_review] Prices for interval 18-Dec-2023 18:30 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1825 hrs on 18 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 18-Dec-2023 18:30.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
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