Market Notices

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
     
125355POWER SYSTEM EVENTS07/03/2025 06:40:37 AM

Non-credible contingency event - NSW region - 07/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 07/03/2025

At 0612 hrs the following plant tripped.

Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink

AEMO did not instruct load shedding.

Approximately 7MW of bulk electrical load has been disconnected.

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


Manager NEM Real Time Operations
     
125352RECLASSIFY CONTINGENCY06/03/2025 11:14:31 PM

Cancellation 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

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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Cancellation time: 06/03/2025 23:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125333

Auto-generated on behalf of Manager NEM Real Time Operations
     
125351RECLASSIFY CONTINGENCY06/03/2025 11:14:30 PM

Cancellation 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

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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Cancellation time: 06/03/2025 23:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125334

Auto-generated on behalf of Manager NEM Real Time Operations
     
125350RECLASSIFY CONTINGENCY06/03/2025 11:04:31 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 06/03/2025 23:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125342

Auto-generated on behalf of Manager NEM Real Time Operations
     
125349RECLASSIFY CONTINGENCY06/03/2025 10:44:35 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 06/03/2025 22:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125340

Auto-generated on behalf of Manager NEM Real Time Operations
     
125348RECLASSIFY CONTINGENCY06/03/2025 10:44:31 PM

Cancellation 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

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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 06/03/2025 22:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125339

Auto-generated on behalf of Manager NEM Real Time Operations
     
125347RECLASSIFY CONTINGENCY06/03/2025 10:44:30 PM

Cancellation 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

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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 06/03/2025 22:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 125328

Auto-generated on behalf of Manager NEM Real Time Operations
     
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