Market Notices

118484RECLASSIFY CONTINGENCY27/09/2024 03:50:07 PM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 27/09/2024 15:49 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
118443MARKET SYSTEMS25/09/2024 02:43:56 PM

CHG0098660:Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Number: CHG0098660
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
118422RECLASSIFY CONTINGENCY24/09/2024 02:53:49 PM

Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024

Refer to MN 117734

Based on advice from the asset owner, AEMO no longer considers the trip of Golden Plains No. 1 220 kV bus as a credible contingency event.


Therefore AEMO cancels the reclassification as a credible contingency event from 1450 hrs 24/09/2024.

Constraint Set revoked: NIL

Manager NEM Real Time Operations
     
118416MARKET SYSTEMS24/09/2024 10:24:04 AM

CHG0098666:Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Number: CHG0098666
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600




     
118415MARKET SYSTEMS24/09/2024 10:22:22 AM

CHG0098678:Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Number: CHG0098678
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cisco IP Phone
Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)
Change Start Date & Time: 08/10/2024 00:00:00 AEST
Change End Date & Time: 08/10/2024 06:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Outage Duration:
3 x 15 Minutes during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).
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 .
     
118406MARKET SYSTEMS23/09/2024 03:44:02 PM

CHG0098666 | Production | Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Number: CHG0098666

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Cisco IP Phone

Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Start Date & Time: 08/09/2024 00:00:00 AEST

Change End Date & Time: 08/09/2024 06:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: Outage Duration:
3 x 15 Minutes

Impacts:

Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).

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?d=pp_services_status for any planned/unplanned maintenance activities .




     
118405MARKET SYSTEMS23/09/2024 03:36:16 PM

CHG0098660 | Production | Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Number: CHG0098660

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Cisco IP Phone

Change Title: Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Change Start Date & Time: 24/09/2024 00:00:00 AEST

Change End Date & Time: 24/09/2024 06:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: Outage Duration:
1 x 3 Hours

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).

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?d=pp_services_status for any planned/unplanned maintenance activities .

     
118398RECLASSIFY CONTINGENCY23/09/2024 12:53:03 PM

Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

Refer to MN 118393

Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.


Therefore AEMO cancels the reclassification as a credible contingency event from 1250 hrs 23/09/2024.

Constraint set N-ERARING_N-2 revoked from 1250 hrs 23/09/2024

Manager NEM Real Time Operations
     
118393RECLASSIFY CONTINGENCY23/09/2024 09:50:10 AM

Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

Based on advice from the asset owner, AEMO has declared the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.

AEMO considers the simultaneous trip of those generators to now be more likely.

AEMO has reclassified this as a credible contingency event from 1000 hrs 23/09/2024.

To manage power system security constraint set N-ERARING_N-2 invoked from 1000 hrs 23/09/2024 until further notice.

Manager NEM Real Time Operations
     
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