Market Notices

74475RECLASSIFY CONTINGENCY26/02/2020 03:10:26 PM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek No.7306 132 kV line and Collinsville - Newlands No.7121 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: Collinsville - Stoney Creek No.7306 132 kV and Collinsville - Newlands No.7121 132 kV

Duration: 26/02/2020 15:10 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
74474RECLASSIFY CONTINGENCY26/02/2020 12:27:30 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: 26/02/2020 12:27 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
74473RECLASSIFY CONTINGENCY26/02/2020 11:24:44 AM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 and Wollar - Mt Piper No.5A5 500kV lines in NSW 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: NSW

Lines: Bayswater - Mt Piper No.5A3 and Wollar - Mt Piper No.5A5 500kV lines

Duration: 11:15 hrs 26/02/2020 until further notice

Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
74472NON-CONFORMANCE26/02/2020 09:55:09 AM

NON-CONFORMANCE Region NSW1 Wednesday, 26 February 2020

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 26 February 2020

AEMO declared a schedule generating unit non-conforming

Unit: LD03
Duration: 26/02/2020 09:40 to 26/02/2020 09:55
Amount: 38 MW
Constraint: NC-N_LD03

Auto-generated on behalf of Manager NEM Real Time Operations
74471RECLASSIFY CONTINGENCY26/02/2020 09:04:35 AM

Cancellation 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

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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV

Cancellation time: 26/02/2020 09:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 74470

Auto-generated on behalf of Manager NEM Real Time Operations
74470RECLASSIFY CONTINGENCY26/02/2020 06:32:05 AM

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: 26/02/2020 06:32 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
74469RECLASSIFY CONTINGENCY26/02/2020 05:49:25 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: 26/02/2020 05:49

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 74464

Auto-generated on behalf of Manager NEM Real Time Operations
74468RECLASSIFY CONTINGENCY26/02/2020 05:34:25 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: 26/02/2020 05:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 74463

Auto-generated on behalf of Manager NEM Real Time Operations
74467RECLASSIFY CONTINGENCY26/02/2020 05:34:25 AM

Cancellation 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

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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV

Cancellation time: 26/02/2020 05:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 74460

Auto-generated on behalf of Manager NEM Real Time Operations
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