Market Notices

121167MARKET INTERVENTION28/11/2024 03:01:25 PM

Cancellation - AEMO Intervention Event - SA region 27/11/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 27/11/2024

Refer to Market Notice 121094

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 28/11/2024.


Manager NEM Real Time Operations
     
121166MARKET INTERVENTION28/11/2024 02:59:59 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

Refer to Market Notice 121091

Direction is cancelled from: 1500 hrs 28/11/2024

Manager NEM Real Time Operations
     
121165MARKET INTERVENTION28/11/2024 02:29:51 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 121090

Direction is cancelled from: 1430 hrs 28/11/2024

Manager NEM Real Time Operations
     
121147INTER-REGIONAL TRANSFER28/11/2024 12:32:16 PM

Cancellation - Inter-regional transfer limit variation - to manage Power System Security in NSW region - 28/11/2024

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 121142

Constraint set I-QN_1000 was invoked from 0955 hrs until 1230 hrs 28/11/2024.

This constraint set contains equations with the following interconnector on the LHS;

NSW1-QLD1

Manager NEM Real Time Operations
     
121145RECLASSIFY CONTINGENCY28/11/2024 11:42:55 AM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 28/11/2024 11:42 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121144RECLASSIFY CONTINGENCY28/11/2024 11:22:54 AM

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: 28/11/2024 11:22 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
     
121142INTER-REGIONAL TRANSFER28/11/2024 10:02:47 AM

Inter-regional transfer limit variation - to manage Power System Security in NSW region - 28/11/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked the following constraint set I-QN_1000 from 0955 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

NSW1-QLD1

Manager NEM Real Time Operations
     
121141RECLASSIFY CONTINGENCY28/11/2024 09:59:16 AM

Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 28/11/2024 09:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121137

Auto-generated on behalf of Manager NEM Real Time Operations
     
121137RECLASSIFY CONTINGENCY28/11/2024 07:55:06 AM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 28/11/2024 07:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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