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128454MARKET SYSTEMS06/08/2025 11:20:34 AM
Completed - CHG0105078 - Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Change Number: CHG0105078
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Maintenance Release for webMethods 11.1 upgrade
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
128453INTER-REGIONAL TRANSFER06/08/2025 09:49:32 AM
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
A planned outage of Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE in the VIC region was scheduled from 0700 hrs 06/08/2025 to 1800 hrs 06/08/2025.
The outage has been completed and Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE returned to service at 0945 hrs 06/08/2025
Constraint set(s) revoked: V-KO_WE_RC
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE - VIC region - 06/08/2025
A planned outage of Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE in the VIC region was scheduled from 0700 hrs 06/08/2025 to 1800 hrs 06/08/2025.
The outage has been completed and Red Cliffs - Wemen 220kV LINE and Koorangie - Wemen 220kV LINE returned to service at 0945 hrs 06/08/2025
Constraint set(s) revoked: V-KO_WE_RC
Manager NEM Real Time Operations
128452RECLASSIFY CONTINGENCY06/08/2025 07:04:50 AM
Cancellation 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
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-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 06/08/2025 07:04
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128451
Auto-generated on behalf of Manager NEM Real Time Operations
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-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 06/08/2025 07:04
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128451
Auto-generated on behalf of Manager NEM Real Time Operations
128451RECLASSIFY CONTINGENCY06/08/2025 05:58:55 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: 06/08/2025 05:58 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 06/08/2025 05:58 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
128450RECLASSIFY CONTINGENCY06/08/2025 02:19:50 AM
Cancellation 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
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-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 06/08/2025 02:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128449
Auto-generated on behalf of Manager NEM Real Time Operations
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-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 06/08/2025 02:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128449
Auto-generated on behalf of Manager NEM Real Time Operations
128449RECLASSIFY CONTINGENCY06/08/2025 01:18:40 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: 06/08/2025 01:18 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 06/08/2025 01:18 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
128448INTER-REGIONAL TRANSFER05/08/2025 08:43:31 PM
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
At 2036 hrs 05/08/2025 there was an unplanned outage of South East 275 kV No. 2 SVC.
The following constraint set(s) invoked at 2045 hrs 05/08/2025
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South East 275 kV No. 2 SVC - SA region - 05/08/2025
At 2036 hrs 05/08/2025 there was an unplanned outage of South East 275 kV No. 2 SVC.
The following constraint set(s) invoked at 2045 hrs 05/08/2025
S-SE_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
128444RECLASSIFY CONTINGENCY05/08/2025 06:08:55 AM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 05/08/2025 06:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128441
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 05/08/2025 06:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128441
Auto-generated on behalf of Manager NEM Real Time Operations
128443RECLASSIFY CONTINGENCY05/08/2025 06:08:55 AM
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV 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: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 05/08/2025 06:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128440
Auto-generated on behalf of Manager NEM Real Time Operations
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: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 05/08/2025 06:08
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 128440
Auto-generated on behalf of Manager NEM Real Time Operations