Market Notices

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 11/12/2023

Refer AEMO Electricity Market Notice 112181

At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.

The following constraint set(s) revoked:
S-X-MNWT+CB

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations

Change Number: CHG0082301
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Maintenance - Electricity MMS Production Bay transfer
Change Start Date & Time: 11/12/2023 13:00:00 AEST
Change End Date & Time: 13/12/2023 16:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The maintenance activity is not expected to have any impact. If any issues are identified because of this maintenance activity, 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 .

Change Number: CHG0081726
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Business to Business data exchange
Change Title: Renewal of webMethods ESB server certificate
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0082105
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: BAU Retail Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 11/12/2023

At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

Change Number: CHG0082118
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Network Outage Scheduler
Change Title: Planned System Maintenance activity.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

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

Refer AEMO Electricity Market Notice 112048

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

Constraint set I-CTRL_ISSUE_ML revoked at 0115 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region).

Refer AEMO Electricity Market Notice 112047

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

Constraint set I-CTRL_ISSUE_TE revoked at 0115 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_ML invoked from 0025 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1


Manager NEM Real Time Operations