Market Notices

120004SETTLEMENTS RESIDUE06/11/2024 03:21:45 PM

[EventId:202411061520_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 06 November 2024 15:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1520 hrs on 6 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 6 November 2024.

Refer to market notice: 119986

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

The negative residue constraint NRM_SA1_VIC1 ceased operating at 1520 hrs on 6 November 2024.

This is an AEMO autogenerated Market Notice.
     
119997RECLASSIFY CONTINGENCY06/11/2024 02:55:45 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 06/11/2024 14:55 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
     
119994SETTLEMENTS RESIDUE06/11/2024 02:47:19 PM

[EventId:202411061445_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 06 November 2024 14:45

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1445 hrs on 6 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 6 November 2024.

Refer to market notice: 119973

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

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1445 hrs on 6 November 2024.

This is an AEMO autogenerated Market Notice.
     
119986SETTLEMENTS RESIDUE06/11/2024 02:36:33 PM

[EventId:202411061435_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 06 November 2024 14:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 6 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 6 November 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.

The negative residue constraint set NRM_SA1_VIC1 commenced operating from 1435 hrs on 6 November 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
119973SETTLEMENTS RESIDUE06/11/2024 02:05:18 PM

[EventId:202411061405_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 06 November 2024 14:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1405 hrs on 6 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 6 November 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 1405 hrs on 6 November 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
119969RECLASSIFY CONTINGENCY06/11/2024 01:52:35 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: 06/11/2024 13:52 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
119968RECLASSIFY CONTINGENCY06/11/2024 01:44:11 PM

Cancellation 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

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

Cancellation time: 06/11/2024 13:44

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


Refer AEMO Electricity Market Notice 119965

Auto-generated on behalf of Manager NEM Real Time Operations
     
119965RECLASSIFY CONTINGENCY06/11/2024 12:42:39 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: 06/11/2024 12:42 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


Auto-generated on behalf of Manager NEM Real Time Operations
     
119964RECLASSIFY CONTINGENCY06/11/2024 12:12:21 PM

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: 06/11/2024 12:15 hrs until further notice

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

Manager NEM Real Time Operations
     
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