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117241INTER-REGIONAL TRANSFER28/06/2024 04:12:58 PM
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
Refer AEMO Electricity Market Notice 117239.
Constraint set CA_SYDS_5590C0E2 revoked 1530 hrs.
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
Refer AEMO Electricity Market Notice 117239.
Constraint set CA_SYDS_5590C0E2 revoked 1530 hrs.
Manager NEM Real Time Operations
117240INTER-REGIONAL TRANSFER28/06/2024 02:20:05 PM
Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024
At 1407 hrs 28/06/2024 there was an unplanned outage of Liddell to Tomago 82 330kV Line.
The following constraint set invoked at 1415 hrs 28/06/2024
N-LDTM_82_OPEN
This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024
At 1407 hrs 28/06/2024 there was an unplanned outage of Liddell to Tomago 82 330kV Line.
The following constraint set invoked at 1415 hrs 28/06/2024
N-LDTM_82_OPEN
This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
117239INTER-REGIONAL TRANSFER28/06/2024 02:07:43 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_5590C0E2 from 1355hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_5590C0E2 from 1355hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
117224MARKET SYSTEMS27/06/2024 04:39:00 PM
CHG0090919 | Completed | Pre-Production | Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Change Number: CHG0090919
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market (STTM)
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
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: Short Term Trading Market (STTM)
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
117223RECLASSIFY CONTINGENCY27/06/2024 03:54:11 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: 27/06/2024 15:54
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 117219
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: 27/06/2024 15:54
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 117219
Auto-generated on behalf of Manager NEM Real Time Operations
117219RECLASSIFY CONTINGENCY27/06/2024 02:53:01 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: 27/06/2024 14:52 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: 27/06/2024 14:52 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
117218RESERVE NOTICE27/06/2024 03:08:12 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2023
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117203 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117203 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
117217RESERVE NOTICE27/06/2024 03:07:18 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117202 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117202 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
117216RESERVE NOTICE27/06/2024 03:06:07 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117201 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117201 is cancelled at 1400 hrs 27/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations