Market Notices

128096RECLASSIFY CONTINGENCY11/07/2025 06:24:50 PM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 11/07/2025 18:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 128095

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128095RECLASSIFY CONTINGENCY11/07/2025 05:19:10 PM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 11/07/2025 17:19 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
128094MARKET INTERVENTION11/07/2025 04:01:06 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 128092


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 1600 hrs 11/07/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0930 hrs 12/07/2025
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1600 hrs 12/07/2025 .

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
     
128093MARKET INTERVENTION11/07/2025 04:01:00 PM

Direction - SA region 11/07/2025

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 11/07/2025

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 1605 hrs on 11/07/2025.

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
     
128092MARKET INTERVENTION11/07/2025 02:52:46 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 128091

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 12/07/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 11/07/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
128091MARKET INTERVENTION11/07/2025 12:44:57 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 0930 hrs 12/07/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
128089MARKET INTERVENTION10/07/2025 01:00:27 PM

Cancellation - AEMO Intervention Event - SA region 09/07/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 09/07/2025

Refer to Market Notice 128061

The AEMO Intervention Event and all associated directions are cancelled from 1300 hrs on 10/07/2025.


Manager NEM Real Time Operations
     
128088MARKET INTERVENTION10/07/2025 01:00:02 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

Refer to Market Notice 128062

Direction is cancelled from: 1300 hrs 10/07/2025

Manager NEM Real Time Operations
     
128085RECLASSIFY CONTINGENCY09/07/2025 10:41:03 PM

Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2040 hrs 09/07/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127997

Manager NEM Real Time Operations
     
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