Market Notices

117297RECLASSIFY CONTINGENCY05/07/2024 09:29:06 PM

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.

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 to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 05/07/2024 21:30 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
117295MARKET INTERVENTION05/07/2024 05:02:56 PM

Direction - SA region 05/07/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 05/07/2024

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 1705 hrs on 05/07/2024.

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
117294MARKET INTERVENTION05/07/2024 05:01:15 PM

Direction - SA region 05/07/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 05/07/2024

Refer to Market Notice 117292


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 - TORRB4 TORRENS ISLAN at 1700 hrs 05/07/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 0001 hrs 06/07/2024
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: 0400 hrs 07/07/2024

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
117293MARKET INTERVENTION05/07/2024 05:04:28 PM

Direction - SA region 05/07/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 05/07/2024

Refer to Market Notice 117292


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 - TORRB3 TORRENS ISLAN at 1700 hrs 05/07/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 0100 hrs 06/07/2024
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 06/07/2024

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
117292MARKET INTERVENTION05/07/2024 03:09:11 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 117291

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0001 hrs 06/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 05/07/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
117291MARKET INTERVENTION05/07/2024 01:24:33 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 0001 hrs 06/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
117288MARKET INTERVENTION04/07/2024 08:45:42 AM

Cancellation - Possible intervention to manage power system security in SA region 05/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in SA region 05/07/2024

Refer Market Notice 117281

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 0845 hrs 04/07/2024.

Manager NEM Real Time Operations
117281MARKET INTERVENTION03/07/2024 03:16:12 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 117278

The synchronous generating units currently expected to be synchronised in SA from 0000 hrs 05/07/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1300 hrs 04/07/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
117280RECLASSIFY CONTINGENCY03/07/2024 03:14:13 PM

Cancellation of Reclassification of a Non-Credible Contingency Event - SA region - 13/10/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Reclassification of a Non-Credible Contingency Event: South East No.1 SVC and No.2 SVC - SA region - 13/10/2023.

Refer AEMO Electricity Market Notice 110252

Based on advice from the participant, AEMO considers the trip of the following circuit at South East is unlikely to re-occur. Accordingly, its classification has reverted to a non-credible contingency event.

Region: SA

Equipment: South East No.1 SVC and No.2 SVC

Cancellation time: 1515 hrs 03/07/2024

Constraint set(s) revoked: Nil


Manager NEM Real Time Operations
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