Market Notices

121137RECLASSIFY CONTINGENCY28/11/2024 07:55:06 AM

Reclassification 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

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

Duration: 28/11/2024 07:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121134RECLASSIFY CONTINGENCY28/11/2024 05:44:22 AM

Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and

Cancellation time: 28/11/2024 05:44

Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 121133

Auto-generated on behalf of Manager NEM Real Time Operations
     
121133RECLASSIFY CONTINGENCY28/11/2024 04:39:13 AM

Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and

Duration: 28/11/2024 04:39 until further notice

Constraint set(s) invoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
121132RECLASSIFY CONTINGENCY28/11/2024 02:29:15 AM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 28/11/2024 02:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121131

Auto-generated on behalf of Manager NEM Real Time Operations
     
121131RECLASSIFY CONTINGENCY28/11/2024 01:24:30 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 28/11/2024 01:24 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121130RECLASSIFY CONTINGENCY27/11/2024 11:34:22 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: 27/11/2024 23:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121082

Auto-generated on behalf of Manager NEM Real Time Operations
     
121129RECLASSIFY CONTINGENCY27/11/2024 09:14:22 PM

Cancellation of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 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: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV

Cancellation time: 27/11/2024 21:14

Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 121073

Auto-generated on behalf of Manager NEM Real Time Operations
     
121128RESERVE NOTICE27/11/2024 08:03:50 PM

Cancellation of Actual (LOR1) condition in the NSW region - 27/11/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 27/11/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.121106 is cancelled at 2000 hrs 27/11/2024.

Manager NEM Real Time Operations
     
121114SETTLEMENTS RESIDUE27/11/2024 05:45:17 PM

[EventId:202411271745_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 November 2024 17:45

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1745 hrs on 27 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 November 2024.

Refer to market notice: 121112

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1745 hrs on 27 November 2024.

This is an AEMO autogenerated Market Notice.
     
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