Market Notices

124256RECLASSIFY CONTINGENCY06/02/2025 03:02:20 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: 06/02/2025 15:02 until further notice

Constraint set(s) invoked:
NONE

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124251RECLASSIFY CONTINGENCY06/02/2025 02:13:16 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: 06/02/2025 14:13 until further notice

Constraint set(s) invoked:
NONE

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124247RECLASSIFY CONTINGENCY06/02/2025 01:44:06 PM

Reclassification of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line 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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Duration: 06/02/2025 13:44 until further notice

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


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124246RECLASSIFY CONTINGENCY06/02/2025 01:44:05 PM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 06/02/2025 13:44 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
124245NON-CONFORMANCE06/02/2025 01:19:02 PM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 6 February 2025

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

Unit: BERYLSF1
Duration: 06/02/2025 12:35 to 06/02/2025 13:15
Amount: 78 MW
Constraint: NC-N_BERYLSF1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124242NON-CONFORMANCE06/02/2025 01:05:16 PM

NON-CONFORMANCE Region SA1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Thursday, 6 February 2025

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

Unit: BLYTHB1
Duration: 06/02/2025 13:00 to 06/02/2025 13:05
Amount: -199 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124231NON-CONFORMANCE06/02/2025 04:31:43 AM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 6 February 2025

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

Unit: VP5
Duration: 06/02/2025 01:25 to 06/02/2025 04:30
Amount: -44 MW
Constraint: NC-N_VP5

Auto-generated on behalf of Manager NEM Real Time Operations
     
124229NON-CONFORMANCE06/02/2025 12:25:20 AM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 5 February 2025

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

Unit: VP5
Duration: 05/02/2025 23:15 to 06/02/2025 00:25
Amount: -20 MW
Constraint: NC-N_VP5

Auto-generated on behalf of Manager NEM Real Time Operations
     
124226RECLASSIFY CONTINGENCY05/02/2025 11:44:49 PM

Cancellation 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

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

Cancellation time: 05/02/2025 23:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 124212

Auto-generated on behalf of Manager NEM Real Time Operations
     
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