Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Glenn Innes to Tenterfield 96R 132kV line - NSW region - 08/12/2024

At 0333 hrs 08/12/2024 there was an unplanned outage of Glenn Innes to Tenterfield 96R 132kV line.

The following constraint set(s) invoked at 0345 hrs 08/12/2024
N-96L_96R_CB4102

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer AEMO Electricity Participant Notice 121525

The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1630 hrs 08/12/2024.

The direction update is issued at 1600 hrs 07/12/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 121524


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 - TORRB2 TORRENS ISLAN at 1615 hrs 06/12/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0700 hrs 07/12/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 08/12/2024.

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

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 06/12/2024

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 1620 hrs on 06/12/2024.

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

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0700 hrs 07/12/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1615 hrs 06/12/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations

Change Number: CHG0100220

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System_PreProd

Change Title: Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages

Change Start Date & Time: 09/12/2024 08:00:00 AEST
Change End Date & Time: 10/12/2024 23:00:00 AEST
Outage Start Date & Time: 09/12/2024 08:00:00 AEST
Outage End Date & Time: 10/12/2024 23:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: This Maintenance activity may cause intermittent outages to below applications during the outage period .

Impacted Systems:
1.EMMS systems (Dispatch/ PASA/ Forecasting/ Settlements)
2.Identity Service will be running only for authentication purposes.
3.Web Portal including menu items (Markets, Internal & Public portal)
4.GSH
5.GBB
6.Any GAS systems that have a NEMA / WARA database connection.
7.MSATS
8.CDR
9.DERR

If any ongoing issues are identified, please contact the AEMO Support Hub 1300 236 600.

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 .

SERVICE INTERRUPTION - RESOLVED

The service interruption relating to the Electricity Market Management System service has been resolved.

For further enquiries please contact the AEMO Support Hub

Phone: 1300 236 600

Email: supporthub@aemo.com.au

AEMO IT Duty Manager

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - ALERT

AEMO is experiencing a service interruption relating to the Electricity Market Management System service.

AEMO is working on the issue and will provide updates as more information becomes available.

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

Refer AEMO Electricity Market Notice 121376

AEMO has been notified that the controls to vary Murraylink output are now available.

Constraint set I-CTRL_ISSUE_ML revoked at 1420 hrs.

Manager NEM Real Time Operations