Market Notices

115549MARKET SYSTEMS08/03/2024 05:53:01 PM

CHG0085737 | Completed | Pre-Production | Pre-production EMMS database refresh

Change Number: CHG0085737

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Pre-production EMMS database refresh

Change Start Date & Time: 26/02/2024 08:00:00 AEST

Change End Date & Time: 17/03/2024 17:30:00 AEST

Outage Start Date & Time: 04/03/2024 08:00:00 AEST

Outage End Date & Time: 08/03/2024 17:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements:
The Electricity Market Management System (EMMS) and Gas Supply Hub (GSH) Pre-Production environment outage window is completed. Pre-Production environment is back online

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 .
115548MARKET SYSTEMS08/03/2024 04:36:50 PM

CHG0085747 | Completed | Pre-Production | Retail Pre-Production Data refresh (CATS and EMDM)

Change Number: CHG0085747

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Retail Pre-Production Data refresh (CATS and EMDM)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115541MARKET INTERVENTION07/03/2024 03:15:20 PM

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 07/03/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 07/03/2024

Refer Market Notice 115528

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1515 hrs 07/03/2024.

Manager NEM Real Time Operations
115538MARKET INTERVENTION07/03/2024 02:30:04 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 06/03/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 06/03/2024

Refer Market Notice 115522

The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 07/03/2024

Manager NEM Real Time Operations
115536MARKET SYSTEMS07/03/2024 11:17:04 AM

CHG0086159 :Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.

Change Number: CHG0086159
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market (STTM)
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115530MARKET SYSTEMS07/03/2024 08:23:10 AM

CHG0086834:MSATS - Enterprise MDM Emergency Maintenance

Change Number: CHG0086834
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Emergency
Service/Component: MDM - Meter Data Management
Change Title: MSATS - Enterprise MDM Emergency Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115528MARKET INTERVENTION07/03/2024 05:20:57 AM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0000 hrs 08/03/2024 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
115522MARKET INTERVENTION06/03/2024 05:00:14 PM

Direction - SA region 06/03/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 06/03/2024

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(a).

The direction was necessary to maintain the power system in a secure operating state.

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.

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 06/03/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
115519MARKET INTERVENTION06/03/2024 03:14:53 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 115512

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 07/03/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 06/03/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
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