Market Notices

117516MARKET INTERVENTION31/07/2024 05:01:54 PM

Direction - SA region 31/07/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 31/07/2024

Refer to Market Notice 117514


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 31/07/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 1000 hrs 01/08/2024
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: 1430 hrs 01/08/2024.

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
     
117515MARKET INTERVENTION31/07/2024 05:03:24 PM

Direction - SA region 31/07/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 31/07/2024

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 31/07/2024.

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
     
117514MARKET INTERVENTION31/07/2024 02:26:01 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 117512

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1000 hrs 01/08/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 31/07/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
117513NON-CONFORMANCE31/07/2024 01:35:19 PM

NON-CONFORMANCE Region NSW1 Wednesday, 31 July 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 31 July 2024

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

Unit: BW01
Duration: 31/07/2024 13:30 to 31/07/2024 13:35
Amount: -17 MW
Constraint: NC-N_BW01

Auto-generated on behalf of Manager NEM Real Time Operations
     
117512MARKET INTERVENTION31/07/2024 12:39:56 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 1000 hrs 01/08/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
117504RECLASSIFY CONTINGENCY30/07/2024 07:22:04 AM

Update - Non-credible contingency event - QLD region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 30/07/2024

Refer AEMO Electricity Market Notice 117503

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: Darling Downs Power Station
Duration: 0720 hrs until further notice
Constraint set(s) invoked: Q-DARLING_DOWNS_N-2

Manager NEM Real Time Operations
     
117495RECLASSIFY CONTINGENCY27/07/2024 07:24:40 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 27/07/2024 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117494

Auto-generated on behalf of Manager NEM Real Time Operations
     
117494RECLASSIFY CONTINGENCY27/07/2024 04:20:23 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 27/07/2024 16:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
117490MARKET INTERVENTION27/07/2024 03:00:51 PM

Cancellation - AEMO Intervention Event - SA region 26/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 26/07/2024

Refer to Market Notice 117472

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 27/07/2024.



Manager NEM Real Time Operations
     
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