Market Notices

79199RECLASSIFY CONTINGENCY24/10/2020 08:36:55 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: 24/10/2020 20:36 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
79198NON-CONFORMANCE24/10/2020 08:35:16 PM

NON-CONFORMANCE Region NSW1 Saturday, 24 October 2020

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 24 October 2020

AEMO declared a schedule generating unit non-conforming

Unit: BW03
Duration: 24/10/2020 20:30 to 24/10/2020 20:35
Amount: -27 MW
Constraint: NC-N_BW03

Auto-generated on behalf of Manager NEM Real Time Operations
     
79197RECLASSIFY CONTINGENCY24/10/2020 08:23:37 PM

Reclassification of a Non-Credible Contingency Event: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV line and Goonyella - Newlands No. 7155 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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV

Duration: 24/10/2020 20:23 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
79196RECLASSIFY CONTINGENCY24/10/2020 08:18:10 PM

Reclassification of a Non-Credible Contingency Event: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV line and Strathmore-Clare South 7208 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: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV and Strathmore-Clare South 7208 132kV

Duration: 24/10/2020 20:18 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
79195RECLASSIFY CONTINGENCY24/10/2020 08:08:45 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: 24/10/2020 20:08 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
     
79194RECLASSIFY CONTINGENCY24/10/2020 05:59:50 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: 24/10/2020 17:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 79187

Auto-generated on behalf of Manager NEM Real Time Operations
     
79193RECLASSIFY CONTINGENCY24/10/2020 03:44:48 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: 24/10/2020 15:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 79189

Auto-generated on behalf of Manager NEM Real Time Operations
     
79192RECLASSIFY CONTINGENCY24/10/2020 03:43:42 PM

Cancellation of the reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No. 1 and No. 3 220kV lines and Numurkah Solar Farm in VIC due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the 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: VIC

Lines: Dederang - Glenrowan No. 1 and No. 3 220kV lines and Numurkah Solar Farm

Cancellation time: 15:45 hrs 24/10/2020

Constraint set(s) revoked: V-NIL_DDGN_NSF_N-2

Refer AEMO Electricity Market Notice 79188

Manager NEM Real Time Operations
     
79189RECLASSIFY CONTINGENCY24/10/2020 02:41:30 PM

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: 24/10/2020 14:41 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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