Market Notices

55488RECLASSIFY CONTINGENCY28/10/2016 06:34:01 PM

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and Boambee South (9W8) 132kV Lines in NSW Region due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and Boambee South (9W8) 132kV Lines in NSW Region due to Lightning.

Lightning is occurring near the Coffs Harbour to Raleigh (9W3) and Coffs Harbour to Boambee South (9W8) 132kV Lines

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1800 hrs Friday, 28 October 2016 until further notice.

Manager NEM Real Time Operations
55487RECLASSIFY CONTINGENCY28/10/2016 06:30:11 PM

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and the Boambee South to Nambucca (9W7) 132 kV Lines in the NSW region due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and the Boambee South to Nambucca (9W7) 132 kV Lines in the NSW region due to Lightning.

Lightning is occurring near the Coffs Harbour to Raleigh (9W3) and the Boambee South to Nambucca (9W7) 132 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1800 hrs Wednesday, 28 October 2016 until further notice.

Manager NEM Real Time Operations
55486RECLASSIFY CONTINGENCY28/10/2016 05:21:35 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Tarong - Chinchilla 7183 and 7168 132 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 1715 hrs 28/10/16 until further notice.

Manager NEM Real Time Operations
55485RECLASSIFY CONTINGENCY28/10/2016 04:08:48 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.
Refer AEMO Electricity Market Notice 55484
There is no longer any lightning activity in the vicinity of the Tarong - Chinchilla 7183 and 7168 132 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1605 hrs, 28/10/16

Manager NEM Real Time Operations
55484RECLASSIFY CONTINGENCY28/10/2016 03:01:17 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Tarong - Chinchilla 7183 and 7168 132 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 1455 hrs 28/10/16 until further notice.

Manager NEM Real Time Operations
55482RECLASSIFY CONTINGENCY27/10/2016 11:50:26 PM

Cancellation of the reclassification of a Non Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV lines in Queensland.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the reclassification of a Non Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV lines in Queensland.

Refer AEMO Electricity Market Notice 55481

There is no longer any lightning activity in the vicinity of the Tarong - Chinchilla 7183 and 7168 132 kV lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2210 hrs Thursday, 27 October 2016.


Manager NEM Real Time Operations
55481RECLASSIFY CONTINGENCY27/10/2016 07:38:49 PM

Reclassification of a Non Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV lines in Queensland.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV lines in Queensland.

Lightning is occurring near the Tarong - Chinchilla 7183 and 7168 132 kV lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1935 hrs Thursday, 27 October 2016 until further notice.


Manager NEM Real Time Operations
55455RECLASSIFY CONTINGENCY21/10/2016 08:58:13 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 and No.3 220 kV Lines in Victoria due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 and No.3 220 kV Lines in Victoria due to Lightning.

Refer AEMO Electricity Market Notice 55454

There is no longer any lightning activity in the vicinity of the Dederang - Glenrowan No.1 and No.3 220 kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2100 hrs.

Constraint Set V-DDGN_N-2 revoked.


Manager NEM Real Time Operations
55454RECLASSIFY CONTINGENCY21/10/2016 04:55:16 PM

Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No. 1 and No. 3 220 kV Lines in Victoria due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No. 1 and No. 3 220 kV Lines in Victoria due to Lightning.

Lightning is occurring near the Dederang - Glenrowan No. 1 and No. 3 220 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1655 hrs 21 10 2016 until further notice.

Constraint Set V-DDGN_N-2 invoked.

This Constraint Set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
V-SA
VIC1-NSW1


Manager NEM Real Time Operations
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