Market Notices

128215NON-CONFORMANCE21/07/2025 06:45:14 PM

NON-CONFORMANCE Region SA1 Monday, 21 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Monday, 21 July 2025

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

Unit: BLYTHB1
Duration: 21/07/2025 18:40 to 21/07/2025 18:45
Amount: 11 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
128213MARKET SYSTEMS21/07/2025 05:08:02 PM

CHG0104553 - Pre-Prod eMDM Maintenance

Change Number: CHG0104553

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM Maintenance Release

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
128211MARKET SYSTEMS21/07/2025 04:32:59 PM

CHG0102957|PROD|Enable TLS 1.3 for Gas B2B Hub and disable TLS version 1.0/1.1



The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward.

Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.

Participants are required to make sure the connectivity is intact post change implementation.

In case of any issues noticed, please reach out to AEMO Support Hub.
     
128209NON-CONFORMANCE20/07/2025 03:55:18 PM

NON-CONFORMANCE Region QLD1 Sunday, 20 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 20 July 2025

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

Unit: SWAN_E
Duration: 20/07/2025 15:45 to 20/07/2025 15:55
Amount: -51 MW
Constraint: NC-Q_SWAN_E

Auto-generated on behalf of Manager NEM Real Time Operations
     
128190INTER-REGIONAL TRANSFER19/07/2025 07:35:53 PM

Inter-regional transfer limit variation - Eraring 500kV - Kemps Creek 5A2 500kV Line - NSW region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Eraring500kV - Kemps Creek 5A2 500kV Line - NSW region - 19/07/2025

At 1910 hrs 19/07/2025 there was a short notice outage of Eraring 500kV - Kemps Creek 5A2 500kV Line .

The following constraint set(s) invoked at 1920 hrs 19/07/2025
N-ERKC_ONE

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
128176INTER-REGIONAL TRANSFER19/07/2025 03:25:24 PM

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

A planned outage of Bulgana-Horsham 220kV LINE in the VIC region was scheduled from 0700 hrs 19/07/2025 to 1730 hrs 19/07/2025.

The outage has been completed and Bulgana-Horsham 220kV LINE returned to service at 1525 hrs 19/07/2025

Constraint set(s) revoked: V-BUHO

Manager NEM Real Time Operations
     
128174MARKET INTERVENTION19/07/2025 02:31:53 PM

Cancellation - AEMO Intervention Event - SA region 18/07/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 18/07/2025

Refer to Market Notice 128167

The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs on 19/07/2025.


Manager NEM Real Time Operations
     
128173MARKET INTERVENTION19/07/2025 02:31:43 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 128166

Direction is cancelled from: 1430 hrs 19/07/2025

Manager NEM Real Time Operations
     
128167MARKET INTERVENTION18/07/2025 02:32:25 PM

Direction - SA region 18/07/2025

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 18/07/2025

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 1435 hrs on 18/07/2025.

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
     
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