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Update - Non-credible contingency event - SA region - 23/12/2024
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 23/12/2024
Non-credible contingency event - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024
Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024
At 1445 hrs 20/12/2024 there was an unplanned outage of South East No.61 Capacitor 275kV.
The following constraint set(s) invoked at 1445 hrs 20/12/2024
S-SE_1CP
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
Update Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024
Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024
At 1300 hrs 20/12/2024 there was a short notice outage of Lismore SVC 132kV.
The following constraint set(s) invoked at 1300 hrs 20/12/2024
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
Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024
Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024
At 1300 hrs 20/12/2024 there was a short notice outage of [outage element].
The following constraint set(s) invoked at 1300 hrs 20/12/2024
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
STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121818 is cancelled at 1200 hrs on 13/12/2024.
No LOR3 condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 16/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121817 is cancelled at 1200 hrs on 13/12/2024.
No LOR3 condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 16/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121817 has been updated at 0800 hrs 13/12/2024 to the following:
From 1630 hrs to 1900 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 321 MW at 1730 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
[1.] From 1500 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 376 MW at 1630 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations