Market Notices

123696RECLASSIFY CONTINGENCY24/01/2025 09:50:05 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: 24/01/2025 21:50 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123695RECLASSIFY CONTINGENCY24/01/2025 09:50:01 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: 24/01/2025 21:49 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123648INTER-REGIONAL TRANSFER24/01/2025 10:12:44 AM

Inter-regional transfer limit variation - Bundey to Buronga (6F) 330kV line - NSW region - 24/01/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bundey to Buronga (6F) 330kV line - NSW region - 24/01/2025

A planned outage of Bundey to Buronga (6F) 330kV line in the NSW region was scheduled from 1931 hrs 21/01/2025 to 1900 hrs 25/01/2025.

The outage has been completed and Bundey to Buronga (6F) 330kV line returned to service at 0900 hrs 24/01/2025

Constraint set(s) revoked: I-BDBU_ONE

Manager NEM Real Time Operations
     
123644RECLASSIFY CONTINGENCY24/01/2025 01:59:44 AM

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: 24/01/2025 01:59

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 123642

Auto-generated on behalf of Manager NEM Real Time Operations
     
123643RESERVE NOTICE23/01/2025 11:42:20 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the Qld Region on 24/01/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the Qld region advised in AEMO Electricity Market Notice No. 123636 is cancelled at 2340 hrs 23/01/2025

Manager NEM Real Time Operations
     
123642RECLASSIFY CONTINGENCY23/01/2025 10:55:07 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: 23/01/2025 22:55 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
     
123641RECLASSIFY CONTINGENCY23/01/2025 08:44:41 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 23/01/2025 20:44

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 123629

Auto-generated on behalf of Manager NEM Real Time Operations
     
123640RECLASSIFY CONTINGENCY23/01/2025 07:14:40 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 23/01/2025 19:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 123632

Auto-generated on behalf of Manager NEM Real Time Operations
     
123636RESERVE NOTICE23/01/2025 05:22:27 PM

PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 24/01/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 123625 has been updated at 1700 hrs to the following:

[1.] From 1800 hrs 24/01/2025 to 1900 hrs 24/01/2025.
The forecast capacity reserve requirement is 813 MW.
The minimum capacity reserve available is 751 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations
     
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