Market Notices

112584MARKET INTERVENTION21/12/2023 05:00:24 PM

Update - Direction - SA Region - 18/12/2023

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 18/12/2023

Refer Market Notice 112553

The AEMO intervention event that commenced from interval ending 1635 hrs on 18/12/2023 is continuing.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

Manager NEM Real Time Operations
112581RECLASSIFY CONTINGENCY21/12/2023 03:17:22 PM

Update - Non-credible contingency event - QLD region - 21/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 21/12/2023

Refer AEMO Electricity Market Notice 112579.

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: QLD

Elements: H14 Middle Ridge No.2 and No.3 275/110 kV transformers
Duration: 1443 hrs 21/12/2023 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
112578RECLASSIFY CONTINGENCY21/12/2023 02:19:30 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: 21/12/2023 14:19 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
112576RECLASSIFY CONTINGENCY21/12/2023 01:59:30 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: 21/12/2023 13:59

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 112560

Auto-generated on behalf of Manager NEM Real Time Operations
112568PRICES SUBJECT TO REVIEW21/12/2023 01:05:21 PM

[EventId:202312211310_review] Prices for interval 21-Dec-2023 13:10 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1305 hrs on 21 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 21-Dec-2023 13:10.

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.
112567PRICES SUBJECT TO REVIEW21/12/2023 01:00:14 PM

[EventId:202312211305_review] Prices for interval 21-Dec-2023 13:05 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 21 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 21-Dec-2023 13:05.

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.
112566PRICES SUBJECT TO REVIEW21/12/2023 12:55:17 PM

[EventId:202312211300_review] Prices for interval 21-Dec-2023 13:00 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1255 hrs on 21 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 21-Dec-2023 13:00.

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.
112565PRICES SUBJECT TO REVIEW21/12/2023 12:50:25 PM

[EventId:202312211255_review] Prices for interval 21-Dec-2023 12:55 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1250 hrs on 21 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 21-Dec-2023 12:55.

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.
112564PRICES SUBJECT TO REVIEW21/12/2023 12:45:12 PM

[EventId:202312211250_review] Prices for interval 21-Dec-2023 12:50 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1245 hrs on 21 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 21-Dec-2023 12:50.

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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