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122444POWER SYSTEM EVENTS23/12/2024 08:40:02 PM
Update - Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
122442POWER SYSTEM EVENTS23/12/2024 04:44:55 PM
Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
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
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
122318INTER-REGIONAL TRANSFER20/12/2024 03:28:59 PM
Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024
AEMO ELECTRICITY MARKET NOTICE
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
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
122317INTER-REGIONAL TRANSFER20/12/2024 03:16:23 PM
Update Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024
AEMO ELECTRICITY MARKET NOTICE
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 - 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
122310INTER-REGIONAL TRANSFER20/12/2024 01:01:43 PM
Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024
AEMO ELECTRICITY MARKET NOTICE
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
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
122119RESERVE NOTICE17/12/2024 07:25:08 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122118 is cancelled at 1920 hrs 17/12/2024.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122118 is cancelled at 1920 hrs 17/12/2024.
Manager NEM Real Time Operations
122118RESERVE NOTICE17/12/2024 05:53:10 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1830 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1662 MW.
The minimum capacity reserve available is 1551 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1830 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1662 MW.
The minimum capacity reserve available is 1551 MW.
Manager NEM Real Time Operations
122100RESERVE NOTICE17/12/2024 12:52:19 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122096 has been updated to the following:
[1.] From 1600 hrs 17/12/2024 to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 996 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122096 has been updated to the following:
[1.] From 1600 hrs 17/12/2024 to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 996 MW.
Manager NEM Real Time Operations
122096RESERVE NOTICE17/12/2024 11:44:53 AM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/12/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122071 has been updated to the following:
[1.] From 1530 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 815 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 122071 has been updated to the following:
[1.] From 1530 hrs 17/12/2024 to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 815 MW.
Manager NEM Real Time Operations