Market Notices

117520MARKET INTERVENTION01/08/2024 08:33:18 AM

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 2230 hrs 01/08/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
117519SETTLEMENTS RESIDUE01/08/2024 07:45:19 AM

[EventId:202408010745_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 01 August 2024 07:45

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0745 hrs on 1 August 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.

Refer to market notice: 117517

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 0745 hrs on 1 August 2024.

This is an AEMO autogenerated Market Notice.
     
117517SETTLEMENTS RESIDUE01/08/2024 06:40:27 AM

[EventId:202408010640_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 01 August 2024 06:40

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0640 hrs on 1 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0640 hrs on 1 August 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
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
     
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
     
117511MARKET SYSTEMS31/07/2024 09:13:12 AM

CHG0091533 | Completed | Production | Planned Outage for the Gas Short Term Trading Market Systems Production.

Change Number: CHG0091533

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Short Term Trading Market

Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
117507MARKET SYSTEMS30/07/2024 01:27:09 PM

CHG0091507 | Production | As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical s

Change Number: CHG0091507

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange

Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.

Change Start Date & Time: 26/08/2024 08:00:00 AEST
Change End Date & Time: 28/08/2024 18:00:00 AEST

Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?d=pp_services_status for any planned/unplanned maintenance activities .
     
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