Market Notices

112908RECLASSIFY CONTINGENCY29/12/2023 07:23:55 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: 29/12/2023 19:23 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
112907RECLASSIFY CONTINGENCY29/12/2023 07:09:30 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: 29/12/2023 19:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112889

Auto-generated on behalf of Manager NEM Real Time Operations
112892RECLASSIFY CONTINGENCY29/12/2023 05:19:30 PM

Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 29/12/2023 17:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112887

Auto-generated on behalf of Manager NEM Real Time Operations
112891RECLASSIFY CONTINGENCY29/12/2023 05:19:30 PM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 29/12/2023 17:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112886

Auto-generated on behalf of Manager NEM Real Time Operations
112889RECLASSIFY CONTINGENCY29/12/2023 05:05:30 PM

Reclassification 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

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

Duration: 29/12/2023 17:05 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112887RECLASSIFY CONTINGENCY29/12/2023 04:16:16 PM

Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 29/12/2023 16:16 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112886RECLASSIFY CONTINGENCY29/12/2023 04:16:10 PM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 29/12/2023 16:16 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112885RECLASSIFY CONTINGENCY29/12/2023 04:14:30 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: 29/12/2023 16:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112883

Auto-generated on behalf of Manager NEM Real Time Operations
112884RECLASSIFY CONTINGENCY29/12/2023 03:56:13 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers ¿ Qld Region

Cancellation of the reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following elements is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD1
Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers
Cancellation time: 29/12/2023 16:00
Constraint set(s) revoked: Q-MR_TX2_3_N-2
Refer AEMO Electricity Market Notice 112602

Manager NEM Real Time Operations
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