Market Notices

120317RECLASSIFY CONTINGENCY12/11/2024 03:44:11 PM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 12/11/2024 15:44

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


Refer AEMO Electricity Market Notice 120311

Auto-generated on behalf of Manager NEM Real Time Operations
     
120312RECLASSIFY CONTINGENCY12/11/2024 01:44:10 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: 12/11/2024 13:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 120310

Auto-generated on behalf of Manager NEM Real Time Operations
     
120311RECLASSIFY CONTINGENCY12/11/2024 12:40:52 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: 12/11/2024 12:40 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
     
120310RECLASSIFY CONTINGENCY12/11/2024 12:40:52 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: 12/11/2024 12:40 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
120304SETTLEMENTS RESIDUE12/11/2024 09:00:24 AM

[EventId:202411120900_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 12 November 2024 09:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0900 hrs on 12 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.

Refer to market notice: 120303

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0900 hrs on 12 November 2024.

This is an AEMO autogenerated Market Notice.
     
120303SETTLEMENTS RESIDUE12/11/2024 08:30:24 AM

[EventId:202411120830_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 12 November 2024 08:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0830 hrs on 12 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 0830 hrs on 12 November 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
     
120302SETTLEMENTS RESIDUE12/11/2024 08:20:26 AM

[EventId:202411120820_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 12 November 2024 08:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0820 hrs on 12 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.

Refer to market notice: 120301

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0820 hrs on 12 November 2024.

This is an AEMO autogenerated Market Notice.
     
120301SETTLEMENTS RESIDUE12/11/2024 08:00:26 AM

[EventId:202411120800_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 12 November 2024 08:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0800 hrs on 12 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 0800 hrs on 12 November 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
     
120300SETTLEMENTS RESIDUE12/11/2024 04:00:20 AM

[EventId:202411120400_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 12 November 2024 04:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0400 hrs on 12 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 12 November 2024.

Refer to market notice: 120299

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0400 hrs on 12 November 2024.

This is an AEMO autogenerated Market Notice.
     
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