Market Notices

126579POWER SYSTEM EVENTS16/04/2025 11:10:49 PM

Non-credible contingency event - QLD region - 16/04/2025

AEMO ELECTRICITY MARKET NOTICE.

Refer market notice: 126577

Non-credible contingency event - QLD region - 16/04/2025

At 2110 hrs the Greenbank - Molendinar 8825 275kV line tripped at the Molendinar end only.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
     
126560RESERVE NOTICE14/04/2025 06:13:59 PM

Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 14/04/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126559 is cancelled at 1811 hrs 14/04/2025.

Manager NEM Real Time Operations
     
126559RESERVE NOTICE14/04/2025 05:48:58 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/04/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs

The capacity reserve requirement is 1588 MW
The minimum capacity reserve available is 1553 MW

Manager NEM Real Time Operations
     
126489RESERVE NOTICE10/04/2025 07:12:37 PM

Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 10/04/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126487 is cancelled at 1910 hrs 10/04/2025.

Manager NEM Real Time Operations
     
126487RESERVE NOTICE10/04/2025 05:44:01 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 10/04/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1585 MW
The minimum capacity reserve available is 1337 MW

Manager NEM Real Time Operations
     
126460RESERVE NOTICE09/04/2025 06:51:14 PM

Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 09/04/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.126458 is cancelled at 1845 hrs 09/04/2025.

Manager NEM Real Time Operations
     
126458RESERVE NOTICE09/04/2025 05:45:43 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/04/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1549 MW
The minimum capacity reserve available is 1164 MW

Manager NEM Real Time Operations
     
126381RECLASSIFY CONTINGENCY06/04/2025 01:59:40 PM

Cancellation of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV line in QLD1 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: QLD1

Lines: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Cancellation time: 06/04/2025 13:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126379

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126379RECLASSIFY CONTINGENCY06/04/2025 12:55:10 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV 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: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Duration: 06/04/2025 12:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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