Market Notices

125397RECLASSIFY CONTINGENCY08/03/2025 03:08:36 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: 08/03/2025 15:08 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
125395RECLASSIFY CONTINGENCY08/03/2025 03:02:51 PM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 08/03/2025 15:02 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
125393RECLASSIFY CONTINGENCY08/03/2025 02:37:06 PM

Reclassification of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line 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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Duration: 08/03/2025 14:37 until further notice

Constraint set(s) invoked:
Q-RSCH_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
     
125392RECLASSIFY CONTINGENCY08/03/2025 02:37:05 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: 08/03/2025 14:37 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
125390RESERVE NOTICE08/03/2025 01:47:31 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 08/03/2025

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125374 is cancelled at 1345 hrs 08/03/2025.

Manager NEM Real Time Operations
     
125374RESERVE NOTICE08/03/2025 12:47:30 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 09/03/2025

AEMO ELECTRICITY MARKET NOTICE

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


[1.] From 1830 hrs 09/03/2025 to 1930 hrs 09/03/2025.
The forecast capacity reserve requirement is 650 MW.
The minimum capacity reserve available is 593 MW.


Manager NEM Real Time Operations
     
125365RECLASSIFY CONTINGENCY07/03/2025 03:04:25 PM

Cancellation - Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region - 06/03/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region - 06/03/2025

Refer to MN 125332

AEMO no longer considers the simultaneous trip of all the generators at Darling Downs Power Station as a credible contingency event.

Accordingly, its classification has reverted to a non-credible contingency event.

Constraint set Q-DARLING_DOWNS_N-2 revoked from 1500 hrs 07/03/2025

Manager NEM Real Time Operations
     
125357INTER-REGIONAL TRANSFER07/03/2025 07:27:37 AM

Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025

At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.

The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_VC1

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
125356INTER-REGIONAL TRANSFER07/03/2025 06:44:20 AM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Refer to Market Notice 125355.

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 1 and 2 cables of Directlink .

The following constraint set was invoked at 0620 hrs 07/03/2025

N-X_MBTE_3

The constraint set contains the following interconnector on the left hand side.

N-Q-MNSP1

Refer AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
     
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