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Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked the following automated constraint sets.
CA_SYDS_5505D0BC from 04:40 hrs to 05:10 hrs
CA_SYDS_5505D516 from 04:55 hrs to 05:10 hrs
These constraint sets contains equations with the following interconnector on the LHS;
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024
Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024
At 2307 hrs 14/03/2024 there was an unplanned outage of Robertstown - Tungkillo No. 1 275 kV Line.
The following constraint set(s) invoked at 2315 hrs 14/03/2024
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
CHG0086023 | Completed | Production | Planned System Maintenance - STTM Production Systems
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market
Change Title: Planned System Maintenance - STTM Production Systems
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Update - Direction - SA Region - 13/03/2024
Update - Direction - SA Region - 13/03/2024
Refer Market Notice 115613
The AEMO intervention event that commenced from interval ending 1705 hrs on 13/03/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 14/03/2024
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 14/03/2024
Refer Market Notice 115616
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1300 hrs 14/03/2024.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024
Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024
At 0800 hrs 14/03/2024 there was a short notice outage of Lismore 132kV SVC.
The following constraint set(s) invoked at 0800 hrs 14/03/2024
N-LS_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 2100 hrs 14/03/2024 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Direction - SA region 13/03/2024
Direction - SA region 13/03/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 13/03/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA region
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 14/03/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 13/03/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations