Market Notices

92963RECLASSIFY CONTINGENCY05/12/2021 01:24:05 AM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Cancellation time: 05/12/2021 01:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92961

Auto-generated on behalf of Manager NEM Real Time Operations
     
92961RECLASSIFY CONTINGENCY04/12/2021 08:23:49 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Duration: 04/12/2021 20:23 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
92960RECLASSIFY CONTINGENCY04/12/2021 07:19:05 PM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Cancellation time: 04/12/2021 19:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92949

Auto-generated on behalf of Manager NEM Real Time Operations
     
92959RECLASSIFY CONTINGENCY04/12/2021 07:09:05 PM

Cancellation of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 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: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV

Cancellation time: 04/12/2021 19:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92954

Auto-generated on behalf of Manager NEM Real Time Operations
     
92958INTER-REGIONAL TRANSFER04/12/2021 06:33:15 PM

Inter-regional transfer limit variation - VIC to NSW Interconnector - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - VIC to NSW Interconnector - Voltage Control

Refer AEMO Market Notice 92947

#VIC1-NSW1_E was revoked at 1830 hrs.

This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1- NSW1


Manager NEM Real Time Operations
     
92957INTER-REGIONAL TRANSFER04/12/2021 06:13:08 PM

Inter-regional transfer limit variation - Lismore - Dunoon - Mullumbimby 9U6 132 kV line - NSW region - 04/12/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore - Dunoon - Mullumbimby 9U6 132 kV line - NSW region - 04/12/2021

At 1746 hrs 04/12/2021 there was an unplanned outage of Lismore - Dunoon - Mullumbimby 9U6 132 kV line.

Constraint set(s) invoked:
N-LSDU_9U6

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
92956RECLASSIFY CONTINGENCY04/12/2021 05:53:30 PM

Cancellation of a Non-Credible Contingency Event: Lismore - Dunoon 9U6 132kV line and Lismore - Dunoon 9U7 132kV 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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV

Cancellation time: 04/12/2021 17:53

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92955

Auto-generated on behalf of Manager NEM Real Time Operations
     
92955RECLASSIFY CONTINGENCY04/12/2021 04:40:19 PM

Reclassification of a Non-Credible Contingency Event: Lismore - Dunoon 9U6 132kV line and Lismore - Dunoon 9U7 132kV 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: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV

Duration: 04/12/2021 16:40 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
92954RECLASSIFY CONTINGENCY04/12/2021 04:04:50 PM

Reclassification of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 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: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV

Duration: 04/12/2021 16:04 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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