Market Notices

123290RECLASSIFY CONTINGENCY15/01/2025 03:08:29 PM

Reclassification of a Non-Credible Contingency Event: Lindisfarne - Mornington No.1 TEE line and Lindisfarne - Mornington No.2 TEE line in TAS1 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: TAS1

Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE

Duration: 15/01/2025 15:08 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123288RECLASSIFY CONTINGENCY15/01/2025 02:49:10 PM

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: 15/01/2025 14:49 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123287RECLASSIFY CONTINGENCY15/01/2025 02:45:25 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: 15/01/2025 14:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123286RECLASSIFY CONTINGENCY15/01/2025 02:38:20 PM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Duration: 15/01/2025 14:38 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123284RECLASSIFY CONTINGENCY15/01/2025 02:36:10 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 15/01/2025 14:36 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
123276INTER-REGIONAL TRANSFER15/01/2025 02:21:49 PM

Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Murray - Lower Tumut 330 kV 66 line - NSW region - 15/01/2025

At 1400 hrs 15/01/2025 there was an unplanned outage of Murray - Lower Tumut 330 kV 66 line.

The following constraint set(s) invoked at 1415 hrs 15/01/2025
I-LTMS

This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,V-S-MNSP1,NSW1-QLD1,T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
123273INTER-REGIONAL TRANSFER15/01/2025 02:28:14 PM

Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lower Tumut - Yass 330 kV 03 Line - NSW region - 15/01/2025

At 1358 hrs 15/01/2025 there was an unplanned outage of Lower Tumut - Yass 330 kV 03 Line.

The following constraint set(s) invoked at 1400 hrs 15/01/2025
N-X_LTYS_MNYS

This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1,V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
123272RECLASSIFY CONTINGENCY15/01/2025 02:08:06 PM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 15/01/2025 14:08 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
     
123269INTER-REGIONAL TRANSFER15/01/2025 02:25:37 PM

Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Muswellbrook 330/132 kV Transformer 1 - NSW region - 15/01/2025

At 1337 hrs 15/01/2025 there was an unplanned outage of Muswellbrook 330/132 kV Transformer 1.

The following constraint set(s) invoked at 1355 hrs 15/01/2025
N-MUTW_88

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
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