Market Notices

120555RECLASSIFY CONTINGENCY17/11/2024 02:52:51 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1

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

Duration: 17/11/2024 14:52 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


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120552RECLASSIFY CONTINGENCY17/11/2024 01:45:37 PM

Cancellation of the reclassification of a Non-Credible contingency event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line 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: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line

Cancellation time: 13:30 hrs 17/11/2024

Constraint set(s) revoked:
V-ROYP78_R_N-2

Refer AEMO Electricity Market Notice 120539

Manager NEM Real Time Operations
     
120550INTER-REGIONAL TRANSFER17/11/2024 01:33:17 PM

Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024

A planned outage of Armidale to Dumaresq (8C) 330 kV line in the NSW region was scheduled from 0500 hrs 17/11/2024 to 1700 hrs 17/11/2024.

The outage has been completed returned to service at 1330 hrs 17/11/2024

Constraint set(s) revoked:
N-ARDM_8C
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC

Manager NEM Real Time Operations
     
120545RECLASSIFY CONTINGENCY17/11/2024 12:49:01 PM

Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1

Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 17/11/2024 12:48

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 120542

Auto-generated on behalf of Manager NEM Real Time Operations
     
120543NON-CONFORMANCE17/11/2024 11:45:24 AM

NON-CONFORMANCE Region SA1 Sunday, 17 November 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Sunday, 17 November 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: STARHLWF
Duration: 17/11/2024 09:05 to 17/11/2024 11:45
Amount: 26 MW
Constraint: NC-S_STARHLWF

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120542RECLASSIFY CONTINGENCY17/11/2024 10:45:20 AM

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1

Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Duration: 17/11/2024 10:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
120540RECLASSIFY CONTINGENCY17/11/2024 09:14:01 AM

Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1

Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 17/11/2024 09:13

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 120538

Auto-generated on behalf of Manager NEM Real Time Operations
     
120539RECLASSIFY CONTINGENCY17/11/2024 07:59:21 AM

Reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC 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: VIC

Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line

Duration: 17/11/2024 07:40 hrs until further notice

Constraint set(s) invoked: V-ROYP78_R_N-2

Manager NEM Real Time Operations
     
120538RECLASSIFY CONTINGENCY17/11/2024 07:13:11 AM

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1

Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Duration: 17/11/2024 07:13 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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