Market Notices

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
     
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
     
122316RECLASSIFY CONTINGENCY20/12/2024 03:03:40 PM

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.

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: 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
     
122315RECLASSIFY CONTINGENCY20/12/2024 03:03:12 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV in QLD1 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: 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
     
122314RECLASSIFY CONTINGENCY20/12/2024 02:50:35 PM

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.

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: 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
     
122313RECLASSIFY CONTINGENCY20/12/2024 02:50:31 PM

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.

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: 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
     
122312MARKET INTERVENTION20/12/2024 02:45:17 PM

Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

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
     
122311MARKET INTERVENTION20/12/2024 02:43:35 PM

Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.

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
     
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
     
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