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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
Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line line in QLD1 due to Lightning.
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: QLD1
Lines: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line
Duration: 20/12/2024 15:03 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: Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV in QLD1 due to Lightning.
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: QLD1
Lines: Chalumbin - Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV
Duration: 20/12/2024 15:00 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: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 20/12/2024 14:50 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: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 20/12/2024 14:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 122279
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN at 1445 hrs 20/12/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0400 hrs 21/12/2024
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 22/12/2024 / further notice.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 122277
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 22/12/2024.
The direction update is issued at 1445 hrs 20/12/2024.
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