Market Notices

113860POWER SYSTEM EVENTS27/01/2024 02:49:35 PM

Cancellation - Non-credible contingency event - QLD region - 27/01/2024

AEMO ELECTRICITY MARKET NOTICE.

Cancellation - Non-credible contingency event - QLD region - 27/01/2024

Refer AEMO Electricity Market Notice 113825

At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.

AEMO has received further information and now determines this was not a non-credible contingency event.

Manager NEM Real Time Operations
113843SETTLEMENTS RESIDUE27/01/2024 12:00:27 PM

[EventId:202401271200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 January 2024 12:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1200 hrs on 27 January 2024

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

Refer to market notice: 113832

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 1200 hrs on 27 January 2024.

This is an AEMO autogenerated Market Notice.
113832SETTLEMENTS RESIDUE27/01/2024 10:30:25 AM

[EventId:202401271030_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 January 2024 10:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1030 hrs on 27 January 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 January 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 1030 hrs on 27 January 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.
113825POWER SYSTEM EVENTS27/01/2024 01:57:16 AM

Non-credible contingency event - QLD region - 27/01/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 27/01/2024

At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
113822SETTLEMENTS RESIDUE26/01/2024 08:31:27 PM

[EventId:202401262030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 26 January 2024 20:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2030 hrs on 26 January 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 26 January 2024.

Refer to market notice: 113818

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 2030 hrs on 26 January 2024.

This is an AEMO autogenerated Market Notice.
113821SETTLEMENTS RESIDUE26/01/2024 08:30:22 PM

[EventId:202401262030_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 26 January 2024 20:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2030 hrs on 26 January 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 26 January 2024.

Refer to market notice: 113805

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 2030 hrs on 26 January 2024.

This is an AEMO autogenerated Market Notice.
113818SETTLEMENTS RESIDUE26/01/2024 07:11:49 PM

[EventId:202401261905_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 26 January 2024 19:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1905 hrs on 26 January 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 26 January 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 1905 hrs on 26 January 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.
113805SETTLEMENTS RESIDUE26/01/2024 06:30:29 PM

[EventId:202401261830_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 26 January 2024 18:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 26 January 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 26 January 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 1830 hrs on 26 January 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.
113662POWER SYSTEM EVENTS23/01/2024 11:31:54 AM

Update - Non-credible contingency event - QLD region - 23/01/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 23/01/2024

Refer AEMO Electricity Market Notice 113659

At 1122 hrs the H35 Strathmore No2 275 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.

Nebo - Strathmore 878 275 kV line to remain out of service.

See Network Outage Scheduler (NOS) for further details.

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

Manager NEM Real Time Operations
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