Market Notices

78968INTER-REGIONAL TRANSFER19/10/2020 04:56:52 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

Refer AEMO Electricity Market Notice 78923

The Hazelwood - South Morang No. 2 500 kV Line has been returned to service.

The following constraint set was revoked at 0455 hrs 19/10/2020.

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Manager NEM Real Time Operations
     
78967INTER-REGIONAL TRANSFER19/10/2020 04:30:36 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - Rowville No.3 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation: Hazelwood - Rowville No.3 500 kV Line (Vic) - Voltage Control

Refer AEMO Electricity Market Notice 78951

The Hazelwood - Rowville No.3 500 kV Line has been returned to service.

The following constraint set was revoked at 0430 hrs 19/10/2020.

V-X_HWSM_HWR03

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Manager NEM Real Time Operations
     
78966RECLASSIFY CONTINGENCY19/10/2020 01:19:51 AM

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: 19/10/2020 01:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 78965

Auto-generated on behalf of Manager NEM Real Time Operations
     
78965RECLASSIFY CONTINGENCY18/10/2020 11:15:55 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: 18/10/2020 23:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
78964RECLASSIFY CONTINGENCY18/10/2020 10:44:45 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: 18/10/2020 22:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 78962

Auto-generated on behalf of Manager NEM Real Time Operations
     
78963MARKET INTERVENTION19/10/2020 03:54:24 AM

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 16/10/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 16/10/2020

Refer Market Notice 78908

The AEMO Intervention Event and all associated directions are cancelled from 0400 hrs 19/10/2020

Manager NEM Real Time Operations
     
78962RECLASSIFY CONTINGENCY18/10/2020 08:40:19 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: 18/10/2020 20:40 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
78961RECLASSIFY CONTINGENCY18/10/2020 05:04:45 PM

Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Cancellation time: 18/10/2020 17:04

Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Refer AEMO Electricity Market Notice 78954

Auto-generated on behalf of Manager NEM Real Time Operations
     
78960RECLASSIFY CONTINGENCY18/10/2020 05:04:45 PM

Cancellation 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

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 18/10/2020 17:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 78958

Auto-generated on behalf of Manager NEM Real Time Operations
     
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