Market Notices

117359MARKET INTERVENTION18/07/2024 02:33:45 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 117357

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0030 hrs 19/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 18/07/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
117358RECLASSIFY CONTINGENCY18/07/2024 11:31:57 AM

Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 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: Para-Templers West and Magill-Torrens Island A 275kV lines

Duration: 18/07/2024 11:30 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
117357MARKET INTERVENTION18/07/2024 10:35:06 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 0030 hrs 19/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
117356GENERAL NOTICE18/07/2024 09:06:38 PM

Network Augmentation Commissioned - VIC Region - 18/07/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - VIC Region - 18/07/2024

At 2044 hrs 18,07/2024, Cressy Terminal Station has been cut into the existing Moorabool - Haunted Gully No.1 500 kV line to form the following circuits:

Cressy - Haunted Gully No 1 500 kV line
Cressy - Moorabool No 1 500 kV line

Manager NEM Real Time Operations
117355INTER-REGIONAL TRANSFER16/07/2024 04:09:23 PM

Inter-regional transfer limit variation -Tungkillo-Tailem_Bnd 1 275kV LINE - SA region - 16/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tungkillo-Tailem_Bnd 1 275kV LINE - SA region - 16/07/2024

A planned outage of Tungkillo-Tailem_Bnd 1 275kV LINE in the SA region was scheduled from 0845 hrs 16/07/2024 to 1630 hrs 16/07/2024.

The outage has been completed and Tungkillo-Tailem_Bnd 1 275kV LINE returned to service at 1255 hrs 16/07/2024

Constraint set(s) revoked: S-TBTU

Manager NEM Real Time Operations
117354MARKET SYSTEMS16/07/2024 03:20:53 PM

CHG0090458 | Production | Planned Maintenance to Brisbane Internet firewall.

Change Number: CHG0090458
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Internet Access
Change Title: Planned Maintenance to Brisbane Internet firewall.

Change Start Date & Time: 20/07/2024 14:00:22 AEST
Change End Date & Time: 20/07/2024 17:00:22 AEST
Outage Start Date & Time: 20/07/2024 14:30:26 AEST
Outage End Date & Time: 20/07/2024 14:35:26 AEST

Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - Nil

Lan-2-Lan VPN Participants (IPSEC) - Nil

B2B VPN - May experience a short 5-10 second drop of VPN tunnel connectivity to Brisbane DC.
Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO NSW datacenter termination point prior to this scheduled outage.

SSL VPN Participants: Nil

GASHUB: Nil

Other Impacts will have been communicated in advance.

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?id=pp_services_status for any
planned/unplanned maintenance activities .

117353MARKET SYSTEMS16/07/2024 03:15:24 PM

CHG0091273 | Completed | Pre-Production | Pre-Prod MASTS - eMDM Maintenance AKS v1.28 upgrade

Change Number: CHG0091273

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MDM - Meter Data Management

Change Title: Pre-Prod MASTS - eMDM Maintenance AKS v1.28 upgrade

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
117352MARKET INTERVENTION16/07/2024 02:59:28 PM

Cancellation - AEMO Intervention Event - SA region 15/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 15/07/2024

Refer to Market Notice 117349

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 16/07/2024.



Manager NEM Real Time Operations
117351MARKET INTERVENTION16/07/2024 02:58:05 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 117348

Direction is cancelled from: 1500 hrs 16/07/2024

Manager NEM Real Time Operations
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