Market Notices

76657RECLASSIFY CONTINGENCY15/08/2020 07:49:20 AM

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: 15/08/2020 07:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 76656

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76656RECLASSIFY CONTINGENCY15/08/2020 06:45:15 AM

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: 15/08/2020 06:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
76655RECLASSIFY CONTINGENCY15/08/2020 05:24:20 AM

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: 15/08/2020 05:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 76652

Auto-generated on behalf of Manager NEM Real Time Operations
76654NON-CONFORMANCE15/08/2020 05:10:09 AM

NON-CONFORMANCE Region QLD1 Saturday, 15 August 2020

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 15 August 2020

AEMO declared a schedule generating unit non-conforming

Unit: GSTONE1
Duration: 15/08/2020 05:00 to 15/08/2020 05:10
Amount: -16 MW
Constraint: NC-Q_GSTONE1

Auto-generated on behalf of Manager NEM Real Time Operations
76653RECLASSIFY CONTINGENCY15/08/2020 04:40:35 AM

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: 15/08/2020 04:40

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 76651

Auto-generated on behalf of Manager NEM Real Time Operations
76652RECLASSIFY CONTINGENCY15/08/2020 04:20:35 AM

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: 15/08/2020 04:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
76651RECLASSIFY CONTINGENCY15/08/2020 03:19:10 AM

Reclassification 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

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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Duration: 15/08/2020 03:19 until further notice

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


Auto-generated on behalf of Manager NEM Real Time Operations
76650RECLASSIFY CONTINGENCY15/08/2020 02:38:05 AM

Cancellation of a Non-Credible Contingency Event: Farrell-Sheffield No.1 220 kV line and Farrell-Sheffield No.2 220 kV line in TAS1 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: TAS1

Lines: Farrell-Sheffield No.1 220 kV and Farrell-Sheffield No.2 220 kV

Cancellation time: 15/08/2020 02:38

Constraint set(s) revoked:
F-T-FASH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-FASH_N-2_CP4_S3 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 76648

Auto-generated on behalf of Manager NEM Real Time Operations
76649RECLASSIFY CONTINGENCY15/08/2020 01:44:20 AM

Cancellation of a Non-Credible Contingency Event: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 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: VIC1

Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV

Cancellation time: 15/08/2020 01:44

Constraint set(s) revoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 76647

Auto-generated on behalf of Manager NEM Real Time Operations
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