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112205RECLASSIFY CONTINGENCY12/12/2023 01:32:02 PM
Reclassification 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
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 12/12/2023 13:31 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 12/12/2023 13:31 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
112196MARKET SYSTEMS12/12/2023 07:05:08 AM
CHG0082097 | Production | P3062 Manifestly Incorrect Inputs (MII)? Production Release
Change Number: CHG0082097
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Change Start Date & Time: 12/12/2023 08:00:00 AEST
Change End Date & Time: 13/12/2023 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Under this change , AEMO will install an updated version of a key Dispatch application (NEMDE Solutionloader) used in Production for Dispatch, 5-Minute Pre-dispatch, Pre-dispatch, and 7-Day Pre-dispatch.
Changes include:
o Extension of Automated MII Procedures to include detection of FCAS MIIs using an FCAS requirement threshold.
No outages or delays expected. AEMO will advise once complete.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Change Start Date & Time: 12/12/2023 08:00:00 AEST
Change End Date & Time: 13/12/2023 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Under this change , AEMO will install an updated version of a key Dispatch application (NEMDE Solutionloader) used in Production for Dispatch, 5-Minute Pre-dispatch, Pre-dispatch, and 7-Day Pre-dispatch.
Changes include:
o Extension of Automated MII Procedures to include detection of FCAS MIIs using an FCAS requirement threshold.
No outages or delays expected. AEMO will advise once complete.
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 .
112193RECLASSIFY CONTINGENCY11/12/2023 10:32:34 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 11/12/2023 22:30
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 112161
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 11/12/2023 22:30
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 112161
Manager NEM Real Time Operations
112192RECLASSIFY CONTINGENCY11/12/2023 10:31:35 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 11/12/2023 22:30
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 112156
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 11/12/2023 22:30
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 112156
Manager NEM Real Time Operations
112191RECLASSIFY CONTINGENCY11/12/2023 05:59:35 PM
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 11/12/2023 17:59
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 112189
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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 11/12/2023 17:59
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 112189
Auto-generated on behalf of Manager NEM Real Time Operations
112189RECLASSIFY CONTINGENCY11/12/2023 04:58:34 PM
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 11/12/2023 16:58 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 11/12/2023 16:58 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
112186MARKET SYSTEMS11/12/2023 03:54:11 PM
CHG0082301 | Production | Planned System Maintenance - Electricity MMS Production Bay transfer
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 .
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 .
112181RECLASSIFY CONTINGENCY11/12/2023 02:46:31 PM
Update - Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112170
Region: SA
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
At 1413 hrs the Clare North - Mintaro 132 kV Line was returned to service (RTS)
The following constraint set(s) invoked:
S-X-MNWT+CB
The following constraint set(s) revoked:
S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112170
Region: SA
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
At 1413 hrs the Clare North - Mintaro 132 kV Line was returned to service (RTS)
The following constraint set(s) invoked:
S-X-MNWT+CB
The following constraint set(s) revoked:
S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112170RECLASSIFY CONTINGENCY11/12/2023 07:44:18 AM
Update - Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112165
Region: SA
The following constraint set(s) invoked:
Initially S-MNWT and S-MN_0 then replaced with S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112165
Region: SA
The following constraint set(s) invoked:
Initially S-MNWT and S-MN_0 then replaced with S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations