Market Notices

72242RECLASSIFY CONTINGENCY31/12/2019 04:04:25 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: 31/12/2019 16:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 72231

Auto-generated on behalf of Manager NEM Real Time Operations
72238RECLASSIFY CONTINGENCY31/12/2019 02:04:21 PM

Reclassification of a Non-Credible Contingency Event: Murray - Upper Tumut 65 330 kV line and Murray - Lower Tumut 66 330 kV line.in NSW due to a Bushfire.


AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to a Bushfire.

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: NSW

Lines: Murray - Upper Tumut 65 330 kV line and Murray - Lower Tumut 66 330 kV line

Duration: 1350 hrs 31/12/2019 until further notice.

Constraint set invoked: I-NIL_65+66_N-2


Manager NEM Real Time Operations
72237RECLASSIFY CONTINGENCY31/12/2019 02:03:50 PM

Cancellation - Reclassification of a Non-Credible Contingency Event: Murray - Lower Tumut 66 330 kV line and Lower Tumut - Upper Tumut 64 330 kV line.in NSW due to a Bushfire.


AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to a Bushfire.

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: Murray - Lower Tumut 66 330 kV line and Lower Tumut - Upper Tumut 64 330 kV line


Constraint set revoked: Nil

Refer AEMO Electricity Market Notice 72232

Manager NEM Real Time Operations
72235RECLASSIFY CONTINGENCY31/12/2019 01:19:25 PM

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: 31/12/2019 13:19

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 72233

Auto-generated on behalf of Manager NEM Real Time Operations
72233RECLASSIFY CONTINGENCY31/12/2019 12:15:02 PM

Reclassification 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

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: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV

Duration: 31/12/2019 12:14 until further notice

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


Auto-generated on behalf of Manager NEM Real Time Operations
72232RECLASSIFY CONTINGENCY31/12/2019 12:12:40 PM

Reclassification of a Non-Credible Contingency Event: Murray - Lower Tumut 66 330 kV line and Lower Tumut - Upper Tumut 64 330 kV line.in NSW due to a Bushfire.


AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to a Bushfire.

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: NSW

Lines: Murray - Lower Tumut 66 330 kV line and Lower Tumut - Upper Tumut 64 330 kV line

Duration: 1200 hrs 31/12/2019 until further notice.

Constraint set invoked: Nil


Manager NEM Real Time Operations
72231RECLASSIFY CONTINGENCY31/12/2019 11:00:45 AM

Reclassification 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

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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 31/12/2019 11:00 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
72230RECLASSIFY CONTINGENCY31/12/2019 10:34:25 AM

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: 31/12/2019 10:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 72228

Auto-generated on behalf of Manager NEM Real Time Operations
72229RECLASSIFY CONTINGENCY31/12/2019 10:19:25 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: 31/12/2019 10:19

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 72226

Auto-generated on behalf of Manager NEM Real Time Operations
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