Market Notices

118256SETTLEMENTS RESIDUE12/09/2024 03:05:26 PM

[EventId:202409121505_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 12 September 2024 15:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1505 hrs on 12 September 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 September 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 1505 hrs on 12 September 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.
118248SETTLEMENTS RESIDUE12/09/2024 11:30:31 AM

[EventId:202409121130_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 12 September 2024 11:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 12 September 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 September 2024.

Refer to market notice: 118247

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 1130 hrs on 12 September 2024.

This is an AEMO autogenerated Market Notice.
118247SETTLEMENTS RESIDUE12/09/2024 10:35:23 AM

[EventId:202409121035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 12 September 2024 10:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 12 September 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 September 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 1035 hrs on 12 September 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.
118199SETTLEMENTS RESIDUE08/09/2024 08:00:22 PM

[EventId:202409082000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 September 2024 20:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2000 hrs on 8 September 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 2024.

Refer to market notice: 118188

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 2000 hrs on 8 September 2024.

This is an AEMO autogenerated Market Notice.
118188SETTLEMENTS RESIDUE08/09/2024 06:16:24 PM

[EventId:202409081815_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 September 2024 18:15

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1815 hrs on 8 September 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 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 1815 hrs on 8 September 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.
118171POWER SYSTEM EVENTS06/09/2024 08:18:58 PM

Update - Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 06/09/2024

Refer AEMO Electricity Market Notice 118166

At 2005 hrs the Loy Yang PS No. 4 500 kV bus 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
118166POWER SYSTEM EVENTS06/09/2024 12:38:00 PM

Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 06/09/2024

At 1222 hrs the Loy Yang PS No. 4 500 kV bus tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

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


Manager NEM Real Time Operations
118150MARKET SUSPENSION05/09/2024 02:41:01 PM

Declaration of electricity market resumption

AEMO ELECTRICITY MARKET NOTICE

Declaration of electricity market resumption

Refer initial AEMO Electricity Market Notice 118149

AEMO declares that the suspension of the spot market in New South Wales, Queensland, South Australia, Tasmania and Victoria will end at 1510 hrs on 05 September 2024.

AEMO has taken sufficient steps to exclude the original event having influence on market processes and AEMO assesses that the possibility of suspending the spot market within the next 24 hours due to the same cause is minimal. AEMO also determines that it can operate the market in accordance with the provisions of the NER.

Relevant Market Notices issued under this suspension: 118149

Manager NEM Real Time Operations
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
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