Market Notices

119968RECLASSIFY CONTINGENCY06/11/2024 01:44:11 PM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 06/11/2024 13:44

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 119965

Auto-generated on behalf of Manager NEM Real Time Operations
     
119966MARKET INTERVENTION06/11/2024 01:19:39 PM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 07/11/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
119965RECLASSIFY CONTINGENCY06/11/2024 12:42:39 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 06/11/2024 12:42 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
     
119964RECLASSIFY CONTINGENCY06/11/2024 12:12:21 PM

Reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC 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: VIC

Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line

Duration: 06/11/2024 12:15 hrs until further notice

Constraint set(s) invoked: V-ROYP78_R_N-2

Manager NEM Real Time Operations
     
119960RECLASSIFY CONTINGENCY06/11/2024 09:24:26 AM

Cancellation of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Cancellation time: 06/11/2024 09:24

Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 119943

Auto-generated on behalf of Manager NEM Real Time Operations
     
119943RECLASSIFY CONTINGENCY06/11/2024 08:21:31 AM

Reclassification of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 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: TAS1

Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Duration: 06/11/2024 08:21 until further notice

Constraint set(s) invoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
119934MARKET INTERVENTION06/11/2024 01:08:35 AM

Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.


Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer AEMO Electricity Participant Notice 119931

The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0230 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.

The direction update is issued at 0105 hrs 06/11/2024.

Manager NEM Real Time Operations
     
119931MARKET INTERVENTION05/11/2024 09:54:45 PM

Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.


Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer AEMO Electricity Participant Notice 119929

The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 0200 hrs 06/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.

The direction update is issued at 2155 hrs 05/11/2024.

Manager NEM Real Time Operations
     
119929MARKET INTERVENTION05/11/2024 06:55:47 PM

Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE.


Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer AEMO Electricity Participant Notice 119924

The TORRB4 TORRENS ISLAN unit is now expected to synchronise at 2330 hrs 05/11/2024 direction is now expected to stay in place until 1700 hrs 06/11/2024.

The direction update is issued at 1855 hrs 05/11/2024.

Manager NEM Real Time Operations
     
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