Market Notices

128419GENERAL NOTICE01/08/2025 06:30:34 PM

New South Wales - Waratah Super Battery System Integrity Protection Scheme (SIPS) In-Service

AEMO ELECTRICITY MARKET NOTICE.

The Waratah Super Battery System Integrity Protection Scheme (SIPS) has been enabled by TransGrid at 1758 hrs 01/08/2025.

Manager NEM Real Time Operations
     
128418RECLASSIFY CONTINGENCY01/08/2025 04:08:56 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: 01/08/2025 16:08

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 128417

Auto-generated on behalf of Manager NEM Real Time Operations
     
128417RECLASSIFY CONTINGENCY01/08/2025 03:06:50 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: 01/08/2025 15:06 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
     
128414RECLASSIFY CONTINGENCY01/08/2025 02:09:50 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: 01/08/2025 14:09

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 128412

Auto-generated on behalf of Manager NEM Real Time Operations
     
128412RECLASSIFY CONTINGENCY01/08/2025 01:06:50 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: 01/08/2025 13:06 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
     
128406RECLASSIFY CONTINGENCY30/07/2025 10:02:13 AM

Cancellation: Reclassification of non-credible contingency event - QLD region - 22/02/2021

AEMO ELECTRICITY MARKET NOTICE.

Cancellation: Reclassification of non-credible contingency event - QLD region - 22/02/2021

Refer AEMO Electricity Market Notice 82959

Elements: South Pine SVC and the Mount England - Wivenhoe Power Station No 824 275 kV line
AEMO considers the occurrence of a non-credible contingency event is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 1000 hrs 30/07/2025.


Manager NEM Real Time Operations
     
128396PRICES SUBJECT TO REVIEW29/07/2025 10:35:25 AM

[EventId:202507291040_review] Prices for interval 29-Jul-2025 10:40 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 29 July 2025

PRICES ARE SUBJECT TO REVIEW for trading interval 29-Jul-2025 10:40.

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.
     
128395PRICES SUBJECT TO REVIEW29/07/2025 10:30:17 AM

[EventId:202507291035_review] Prices for interval 29-Jul-2025 10:35 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1030 hrs on 29 July 2025

PRICES ARE SUBJECT TO REVIEW for trading interval 29-Jul-2025 10:35.

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.
     
128394PRICES SUBJECT TO REVIEW29/07/2025 10:25:34 AM

[EventId:202507291030_review] Prices for interval 29-Jul-2025 10:30 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1025 hrs on 29 July 2025

PRICES ARE SUBJECT TO REVIEW for trading interval 29-Jul-2025 10:30.

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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