Market Notices

126384MARKET INTERVENTION06/04/2025 02:35:35 PM

Direction - SA region 06/04/2025

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 06/04/2025

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1440 hrs on 06/04/2025.

Intervention pricing does not apply to this AEMO intervention event.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.


Manager NEM Real Time Operations
     
126383MARKET INTERVENTION06/04/2025 02:36:05 PM

Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 126384.


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1435 hrs 06/04/2025
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0930 hrs 07/04/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 1330 hrs 07/04/2025.

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations
     
126382MARKET INTERVENTION06/04/2025 02:27:43 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 126378

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 07/04/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1435 hrs 06/04/2025, AEMO may need to intervene by issuing a direction.

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

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126379RECLASSIFY CONTINGENCY06/04/2025 12:55:10 PM

Reclassification 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

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: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Duration: 06/04/2025 12:55 until further notice

Constraint set(s) invoked:
NONE

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126378MARKET INTERVENTION06/04/2025 12:51:28 PM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0830 hrs 07/04/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
126377MARKET INTERVENTION06/04/2025 07:00:55 AM

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 126349

PPCCGT PELICAN POINT at 0800 hrs 06/04/2025 to Remain synchronised and follow dispatch targets.

The PPCCGT PELICAN POINT direction is now expected to stay in place until 2000 hrs 06/04/2025.

The direction update is issued at 0700 hrs 06/04/2025.

Manager NEM Real Time Operations
     
126376RECLASSIFY CONTINGENCY06/04/2025 02:19:40 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: 06/04/2025 02:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126375

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