Market Notices

118243RECLASSIFY CONTINGENCY11/09/2024 05:28:40 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: 11/09/2024 17:28 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
118242INTER-REGIONAL TRANSFER11/09/2024 04:15:47 PM

Inter-regional transfer limit variation - Armidale- Sapphire 8E 330kV line - NSW region - 11/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale- Sapphire 8E 330kV line - NSW region - 11/09/2024

At 1610 hrs 11/09/2024 there was a short notice outage of Armidale- Sapphire 8E 330kV line.

The following constraint set(s) invoked at 1610 hrs 11/09/2024
N-ARSR_8E

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118240MARKET INTERVENTION11/09/2024 04:03:35 PM

Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

Refer AEMO Electricity Market Notice 118225

TORRB3 TORRENS ISLAN at 0400 hrs 12/09/2024 to remain synchronised and follow dispatch targets.

This update is issued at 1600 hrs 11/09/2024 and is expected to stay in place until 0400 hrs 13/09/2024

Manager NEM Real Time Operations
     
118231MARKET INTERVENTION11/09/2024 01:14:20 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 0400 hrs 12/09/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
118225MARKET INTERVENTION10/09/2024 05:05:05 PM

Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAND

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 10/09/2024

Refer to Market Notice 118223


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 10/09/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 0800 hrs 11/09/2024
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 12/09/2024 / further notice.

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
     
118224MARKET INTERVENTION10/09/2024 05:04:01 PM

Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAND

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 10/09/2024

Refer to Market Notice 118223


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 10/09/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 0730 hrs 11/09/2024
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 12/09/2024 / further notice.

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
     
118223MARKET INTERVENTION10/09/2024 05:02:54 PM

Direction - SA region 10/09/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 10/09/2024

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 10/09/2024.

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
     
118222MARKET INTERVENTION10/09/2024 04:41:35 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 118215

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 11/09/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 10/09/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
118220MARKET INTERVENTION10/09/2024 04:02:19 PM

Cancellation - AEMO Intervention Event - SA region 09/09/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 09/09/2024

Refer to Market Notice 118211

The AEMO Intervention Event and all associated directions are cancelled from 1600 hrs on 10/09/2024.



Manager NEM Real Time Operations
     
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