Market Notices

125294RECLASSIFY CONTINGENCY05/03/2025 07:19:30 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: 05/03/2025 19:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125276

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125279NON-CONFORMANCE05/03/2025 05:45:17 PM

NON-CONFORMANCE Region QLD1 Wednesday, 5 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 5 March 2025

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

Unit: MPP_1
Duration: 05/03/2025 17:35 to 05/03/2025 17:45
Amount: -12 MW
Constraint: NC-Q_MPP_1

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125276RECLASSIFY CONTINGENCY05/03/2025 04:14:25 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: 05/03/2025 16:14 until further notice

Constraint set(s) invoked:
NONE

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125275MARKET INTERVENTION05/03/2025 04:30:11 PM

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 125259

TORRB2 TORRENS ISLAN at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/03/2025.

The direction update is issued at 1630 hrs 05/03/2025.

Manager NEM Real Time Operations
     
125274MARKET INTERVENTION05/03/2025 04:00:26 PM

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 125258

PPCCGT PELICAN POINT at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.

The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 07/03/2025.

The direction update is issued at 1600 hrs 05/03/2025.

Manager NEM Real Time Operations
     
125273POWER SYSTEM EVENTS05/03/2025 02:03:49 PM

Update - Non-credible contingency event - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 05/03/2025

Refer AEMO Electricity Market Notice 125268

At 1400 hrs the Directlink DC1 was returned to service.

(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was returned to service.)

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
     
125269NON-CONFORMANCE05/03/2025 12:25:18 PM

NON-CONFORMANCE Region NSW1 Wednesday, 5 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 5 March 2025

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

Unit: WTAHB1
Duration: 05/03/2025 12:00 to 05/03/2025 12:25
Amount: -120 MW
Constraint: NC-N_WTAHB1

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125268POWER SYSTEM EVENTS05/03/2025 11:57:45 AM

Non-credible contingency event - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 05/03/2025

At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
     
125266RECLASSIFY CONTINGENCY04/03/2025 09:05:45 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 04/03/2025 21:05

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125263

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