Market Notices

117251RECLASSIFY CONTINGENCY30/06/2024 06:19:38 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: 30/06/2024 06:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117250

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117250RECLASSIFY CONTINGENCY30/06/2024 05:14:55 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: 30/06/2024 05:14 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117249RESERVE NOTICE29/06/2024 03:26:32 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region beginning on 02/07/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following periods:

[1.] From 0800 hrs 02/07/2024 to 0830 hrs 02/07/2024.
The forecast capacity reserve requirement is 646 MW.
The minimum capacity reserve available is 637 MW.

[2.] From 0800 hrs 03/07/2024 to 0830 hrs 03/07/2024.
The forecast capacity reserve requirement is 646 MW.
The minimum capacity reserve available is 637 MW.

Manager NEM Real Time Operations
117223RECLASSIFY CONTINGENCY27/06/2024 03:54:11 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: 27/06/2024 15:54

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 117219

Auto-generated on behalf of Manager NEM Real Time Operations
117219RECLASSIFY CONTINGENCY27/06/2024 02:53:01 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: 27/06/2024 14:52 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
117218RESERVE NOTICE27/06/2024 03:08:12 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117203 is cancelled at 1400 hrs 27/06/2024.

No LOR condition is currently forecast in the STPASA period.

AEMO Operations
117217RESERVE NOTICE27/06/2024 03:07:18 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117202 is cancelled at 1400 hrs 27/06/2024.

No LOR condition is currently forecast in the STPASA period.

AEMO Operations
117216RESERVE NOTICE27/06/2024 03:06:07 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117201 is cancelled at 1400 hrs 27/06/2024.

No LOR condition is currently forecast in the STPASA period.

AEMO Operations
117212RECLASSIFY CONTINGENCY27/06/2024 10:09:04 AM

Update - Non-credible contingency event - NSW region - 27/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 27/06/2024

Refer AEMO Electricity Market Notice 117210

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: NSW

Elements: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Duration: 0944 hrs 27/06/2024 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
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