Market Notices

125702RECLASSIFY CONTINGENCY16/03/2025 01:00:14 PM

Update - Non-credible contingency event - QLD region - 16/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 16/03/2025

Refer AEMO Electricity Market Notice 125701

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: H35 Strathmore No 2 132 kV bus
Duration: 1300 hrs 16/03/2025 until further notice
Constraint set(s) invoked: NIL

Manager NEM Real Time Operations
     
125690RECLASSIFY CONTINGENCY15/03/2025 05:33:25 PM

Cancellation 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

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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 15/03/2025 17:33

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125672

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125689NON-CONFORMANCE15/03/2025 05:05:15 PM

NON-CONFORMANCE Region SA1 Saturday, 15 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Saturday, 15 March 2025

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

Unit: LADBROK2
Duration: 15/03/2025 17:00 to 15/03/2025 17:05
Amount: -9 MW
Constraint: NC-S_LADBROK2

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125688NON-CONFORMANCE15/03/2025 05:05:12 PM

NON-CONFORMANCE Region SA1 Saturday, 15 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Saturday, 15 March 2025

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

Unit: LADBROK1
Duration: 15/03/2025 17:00 to 15/03/2025 17:05
Amount: -7 MW
Constraint: NC-S_LADBROK1

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125672RECLASSIFY CONTINGENCY15/03/2025 03:52:55 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: 15/03/2025 15:52 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
125668RECLASSIFY CONTINGENCY15/03/2025 02:24:15 PM

Cancellation 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

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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 15/03/2025 14:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125663

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125663RECLASSIFY CONTINGENCY15/03/2025 12:22:45 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: 15/03/2025 12:22 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
125662RECLASSIFY CONTINGENCY15/03/2025 05:24:50 AM

Cancellation 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

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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 15/03/2025 05:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125657

Auto-generated on behalf of Manager NEM Real Time Operations
     
125661RECLASSIFY CONTINGENCY15/03/2025 03:44:30 AM

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: 15/03/2025 03:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125659

Auto-generated on behalf of Manager NEM Real Time Operations
     
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