Market Notices

122519PRICES SUBJECT TO REVIEW27/12/2024 03:10:29 PM

[EventId:202412271515_review] Prices for interval 27-Dec-2024 15:15 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1510 hrs on 27 December 2024

PRICES ARE SUBJECT TO REVIEW for trading interval 27-Dec-2024 15:15.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
     
122518PRICES SUBJECT TO REVIEW27/12/2024 03:05:21 PM

[EventId:202412271510_review] Prices for interval 27-Dec-2024 15:10 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1505 hrs on 27 December 2024

PRICES ARE SUBJECT TO REVIEW for trading interval 27-Dec-2024 15:10.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
     
122517SETTLEMENTS RESIDUE27/12/2024 03:01:56 PM

[EventId:202412271500_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 December 2024 15:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 27 December 2024

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

Refer to market notice: 122511

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 1500 hrs on 27 December 2024.

This is an AEMO autogenerated Market Notice.
     
122516PRICES SUBJECT TO REVIEW27/12/2024 03:00:22 PM

[EventId:202412271505_review] Prices for interval 27-Dec-2024 15:05 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 27 December 2024

PRICES ARE SUBJECT TO REVIEW for trading interval 27-Dec-2024 15:05.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
     
122511SETTLEMENTS RESIDUE27/12/2024 02:05:32 PM

[EventId:202412271405_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 December 2024 14:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1405 hrs on 27 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2024.

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

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1405 hrs on 27 December 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.
     
122509RECLASSIFY CONTINGENCY27/12/2024 08:09:21 AM

Cancellation 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

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

Cancellation time: 27/12/2024 08:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122506

Auto-generated on behalf of Manager NEM Real Time Operations
     
122508RECLASSIFY CONTINGENCY27/12/2024 08:04:21 AM

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: 27/12/2024 08:04

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 122504

Auto-generated on behalf of Manager NEM Real Time Operations
     
122507RECLASSIFY CONTINGENCY27/12/2024 05:09:20 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: 27/12/2024 05:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122502

Auto-generated on behalf of Manager NEM Real Time Operations
     
122506RECLASSIFY CONTINGENCY27/12/2024 05:06:35 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: 27/12/2024 05:06 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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