Market Notices

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 04/06/2025

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 1035 hrs on 04/06/2025.

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

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - BARKER INLET PS

Refer to Market Notice 127370


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 - BARKER INLET PS at 1015 hrs 04/06/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 1030 hrs 04/06/2025
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: 1230 hrs 04/06/2025 / 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

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 127369

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1030 hrs 04/06/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1015 hrs 04/06/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations

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 1030 hrs 05/06/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations

AEMO's FRC Gas Hub web services need to have their server certificates updated every year with new certificates to replace the expiring one.

Participants connecting to these endpoints or receiving requests from AEMO's FRC Gas Hub platforms and have authorisation mechanisms like certificate fingerprinting in place will notice a change in AEMO's server's certificate fingerprint and will need to update their systems accordingly.

The certificate relates to "FBS-Prod-Hub.aemo.com.au" certificate and relates to the following domains.
FBS-Prod-Hub.aemo.com.au
apis.prod.aemo.com.au
hub.aemo.com.au
prod.frchub.net
apis.prod.marketnet.net.au
hub.marketnet.net.au

Participants WILL need to update the profile that communicates with the above domains. This will need to be done to avoid the inability to send messages to the relay.

The certificates can be downloaded from the link below: https://www.digicert.com/secure/download-certificate/0zb6n7hdvs5c84j41twxz695ft63p2m

Change duration will be as below.
Start - 22/06/2025 10:00:00 AM AEST
End - 22/06/2025 14:00:00 PM AEST

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 3 June 2025

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

Unit: MPP_1
Duration: 03/06/2025 15:00 to 03/06/2025 15:05
Amount: -33 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .

Change Start Date & Time 05/06/2025 08:00:00 AEST
Change End Date & Time 06/06/2025 17:00:00 AEST
Outage Start Date & Time 05/06/2025 08:00:00 AEST
Outage End Date & Time 05/06/2025 21:00:00 AEST

EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on 5th June.

During the window,FPP calculations may be delayed at various points.

Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Monday, 2 June 2025

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

Unit: WTAHB1
Duration: 02/06/2025 21:40 to 02/06/2025 21:45
Amount: 9 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 1 June 2025

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

Unit: TARONG#1
Duration: 01/06/2025 23:50 to 01/06/2025 23:55
Amount: -11 MW
Constraint: NC-Q_TARONG#1

Auto-generated on behalf of Manager NEM Real Time Operations