Market Notices

118164RECLASSIFY CONTINGENCY06/09/2024 05:09:06 AM

Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Cancellation time: 06/09/2024 05:09

Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Refer AEMO Electricity Market Notice 118162

Auto-generated on behalf of Manager NEM Real Time Operations
     
118163RECLASSIFY CONTINGENCY06/09/2024 04:15:21 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 06/09/2024 04:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
118162RECLASSIFY CONTINGENCY06/09/2024 04:07:17 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 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: TAS1

Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Duration: 06/09/2024 04:07 until further notice

Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Auto-generated on behalf of Manager NEM Real Time Operations
     
118160MARKET SYSTEMS05/09/2024 05:31:45 PM

CHG0098106 | Completed | Production | EMMS Production Bay transfer

Change Number: CHG0098106

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System

Change Title: EMMS Production Bay transfer
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
118159MARKET SYSTEMS05/09/2024 05:27:59 PM

CHG0097007 | Cancelled | Production | AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Change Number: CHG0097007

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
     
118158MARKET SYSTEMS05/09/2024 05:25:32 PM

CHG0097010 | Cancelled | Production | AEMO will be undertaking maintenance activities on the RCM system

Change Number: CHG0097010

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the RCM system

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
     
118157MARKET SYSTEMS05/09/2024 05:23:00 PM

CHG0097011 | Cancelled | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Change Number: CHG0097011

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
     
118146MARKET SYSTEMS05/09/2024 10:31:12 AM

CHG0098106 | Production | EMMS Production Bay transfer

Change Number: CHG0098106

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: EMMS Production Bay transfer

Change Start Date & Time: 05/09/2024 08:00:00 AEST

Change End Date & Time: 06/09/2024 17:30:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: EMMS Bay transfer is scheduled for 5th September 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?d=pp_services_status for any planned/unplanned maintenance activities .
     
118127RECLASSIFY CONTINGENCY04/09/2024 05:15:16 PM

Cancellation of Reclassification of a Non-Credible Contingency Event: Terang - Mortlake South 220 kV line opening at the Terang end only - 27/03/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Reclassification of a Non-Credible Contingency Event: Terang - Mortlake South 220 kV line opening at the Terang end only - 27/03/2024

Refer AEMO Electricity Market Notice 115842

Based on advice from the asset owner, AEMO considers the trip of the following circuit at Terang is unlikely to re-occur. Accordingly, its classification has reverted to a non-credible contingency event.


Region: VIC

Elements: Terang - Mortlake South 220 kV line opening at the Terang end only

Cancellation time : 1715 hrs 04/09/2024

Constraint set(s) revoked: NIL


Manager NEM Real Time Operations
     
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