Market Notices

126587RECLASSIFY CONTINGENCY18/04/2025 03:29:40 AM

Cancellation of a Non-Credible Contingency Event: Lindisfarne - Mornington No.1 TEE line and Lindisfarne - Mornington No.2 TEE line in TAS1 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: TAS1

Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE

Cancellation time: 18/04/2025 03:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126586

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126586RECLASSIFY CONTINGENCY18/04/2025 02:27:20 AM

Reclassification of a Non-Credible Contingency Event: Lindisfarne - Mornington No.1 TEE line and Lindisfarne - Mornington No.2 TEE line in TAS1 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: TAS1

Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE

Duration: 18/04/2025 02:27 until further notice

Constraint set(s) invoked:
NONE

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126585RECLASSIFY CONTINGENCY17/04/2025 11:54:41 PM

Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1

Lines: Palmerston - Hadspen 3 & 4 110kV and

Cancellation time: 17/04/2025 23:54

Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 126584

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126584RECLASSIFY CONTINGENCY17/04/2025 10:52:16 PM

Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1

Lines: Palmerston - Hadspen 3 & 4 110kV and

Duration: 17/04/2025 22:52 until further notice

Constraint set(s) invoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


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126472NON-CONFORMANCE10/04/2025 03:35:16 PM

NON-CONFORMANCE Region NSW1 Thursday, 10 April 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 10 April 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: QBYNB1
Duration: 10/04/2025 15:25 to 10/04/2025 15:35
Amount: -9 MW
Constraint: NC-N_QBYNB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
126462NON-CONFORMANCE09/04/2025 07:05:12 PM

NON-CONFORMANCE Region NSW1 Wednesday, 9 April 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 9 April 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: VP6
Duration: 09/04/2025 19:00 to 09/04/2025 19:05
Amount: -38 MW
Constraint: NC-N_VP6

Auto-generated on behalf of Manager NEM Real Time Operations
     
126414NON-CONFORMANCE07/04/2025 08:05:13 AM

NON-CONFORMANCE Region QLD1 Monday, 7 April 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 7 April 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_1
Duration: 07/04/2025 07:55 to 07/04/2025 08:05
Amount: 16 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations
     
126381RECLASSIFY CONTINGENCY06/04/2025 01:59:40 PM

Cancellation of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV 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: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Cancellation time: 06/04/2025 13:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126379

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126380NON-CONFORMANCE06/04/2025 12:55:19 PM

NON-CONFORMANCE Region SA1 Sunday, 6 April 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Sunday, 6 April 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: HPR1
Duration: 06/04/2025 12:40 to 06/04/2025 12:55
Amount: 16 MW
Constraint: NC-S_HPR1

Auto-generated on behalf of Manager NEM Real Time Operations
     
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