Market Notices

72785RECLASSIFY CONTINGENCY20/01/2020 03:59:30 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: 20/01/2020 15:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 72759

Auto-generated on behalf of Manager NEM Real Time Operations
72780RECLASSIFY CONTINGENCY20/01/2020 02:19:00 PM

Reclassification 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

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

Duration: 20/01/2020 14:18 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
72778RECLASSIFY CONTINGENCY20/01/2020 02:07:05 PM

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: 20/01/2020 14:07 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
72762RECLASSIFY CONTINGENCY20/01/2020 01:19:59 PM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 and 5A7 500 kV lines in NSW due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 72448

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.

Region: NSW

Lines: Bannaby - Mt Piper 5A6 and 5A7 500 kV lines

Cancellation time: 1315 hrs 20/01/2020

Constraint set revoked: N-X_5A6+5A7_N-2

Manager NEM Real Time Operations
72760RECLASSIFY CONTINGENCY20/01/2020 12:58:35 PM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 20/01/2020 12:58 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
72759RECLASSIFY CONTINGENCY20/01/2020 12:58:35 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: 20/01/2020 12:58 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
72758RECLASSIFY CONTINGENCY20/01/2020 12:19:31 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV 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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 20/01/2020 12:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 72751

Auto-generated on behalf of Manager NEM Real Time Operations
72757RECLASSIFY CONTINGENCY20/01/2020 11:44:32 AM

Cancellation of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 220 kV line and Dederang - Glenrowan No.3 220 kV 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: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV

Cancellation time: 20/01/2020 11:44

Constraint set(s) revoked:
V-DDGN_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1


Refer AEMO Electricity Market Notice 72750

Auto-generated on behalf of Manager NEM Real Time Operations
72756RECLASSIFY CONTINGENCY20/01/2020 10:53:35 AM

Reclassification 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

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: VIC1

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

Duration: 20/01/2020 10:53 until further notice

Constraint set(s) invoked:
V-HWRO_R_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
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