Market Notices

118149MARKET SUSPENSION05/09/2024 02:31:20 PM

Declaration of electricity market suspension

AEMO ELECTRICITY MARKET NOTICE

Declaration of electricity market suspension

AEMO declares the spot market suspended in New South Wales, Queensland, South Australia, Tasmania and Victoria with Market Suspension Schedule Pricing (refer NER clause 3.14.5(b)) from Trading Interval 1355 hrs on 5 September 2024 until further notice.

Dispatch prices for the first one or two dispatch intervals of this market suspension will be reviewed manually.

Manager NEM Real Time Operations
117964SETTLEMENTS RESIDUE29/08/2024 07:12:29 PM

[EventId:202408291910_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 29 August 2024 19:10

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1910 hrs on 29 August 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 August 2024.

Refer to market notice: 117960

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 1910 hrs on 29 August 2024.

This is an AEMO autogenerated Market Notice.
117960SETTLEMENTS RESIDUE29/08/2024 06:05:29 PM

[EventId:202408291805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 August 2024 18:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1805 hrs on 29 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 August 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 1805 hrs on 29 August 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.
117944SETTLEMENTS RESIDUE29/08/2024 01:31:56 PM

[EventId:202408291330_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 29 August 2024 13:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1330 hrs on 29 August 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 29 August 2024.

Refer to market notice: 117941

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 1330 hrs on 29 August 2024.

This is an AEMO autogenerated Market Notice.
117941SETTLEMENTS RESIDUE29/08/2024 12:35:32 PM

[EventId:202408291235_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 29 August 2024 12:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 29 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 29 August 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 1235 hrs on 29 August 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.
117909POWER SYSTEM EVENTS28/08/2024 02:17:12 AM

Update - Non-credible contingency event - VIC region - 28/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 28/08/2024

Refer AEMO Electricity Market Notice 117908

At 0134 hrs the APD No 2 Potline was returned to service.

At 0200 hrs the APD No 1 Potline was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
117908POWER SYSTEM EVENTS28/08/2024 01:02:22 AM

Non-credible contingency event - VIC region - 28/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 28/08/2024

At 0001 hrs the APD No1 Potline and the APD No 2 Potline tripped.

AEMO did not instruct load shedding.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
117906SETTLEMENTS RESIDUE27/08/2024 07:10:39 PM

[EventId:202408271910_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 August 2024 19:10

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1910 hrs on 27 August 2024

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

Refer to market notice: 117905

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 1910 hrs on 27 August 2024.

This is an AEMO autogenerated Market Notice.
117905SETTLEMENTS RESIDUE27/08/2024 06:10:28 PM

[EventId:202408271810_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 August 2024 18:10

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1810 hrs on 27 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 August 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 1810 hrs on 27 August 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.
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