Market Notices

117888SETTLEMENTS RESIDUE27/08/2024 03:30:23 PM

[EventId:202408271530_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 27 August 2024 15:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1530 hrs on 27 August 2024

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

Refer to market notice: 117877

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 1530 hrs on 27 August 2024.

This is an AEMO autogenerated Market Notice.
117877SETTLEMENTS RESIDUE27/08/2024 02:37:01 PM

[EventId:202408271435_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 27 August 2024 14:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 27 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 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 QLD to NSW directional interconnector.

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1435 hrs on 27 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.
117875MARKET SYSTEMS27/08/2024 02:34:03 PM

CHG0096175 | Production | EMMS Production Bay transfer

Change Number: CHG0096175
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer

Change Start Date & Time: 02/09/2024 09:00:00 AEST
Change End Date & Time: 04/09/2024 16:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: EMMS Bay transfer is scheduled for 3rd September is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.

Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities.

117848SETTLEMENTS RESIDUE27/08/2024 12:30:27 PM

[EventId:202408271230_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 27 August 2024 12:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1230 hrs on 27 August 2024

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

Refer to market notice: 117834

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 1230 hrs on 27 August 2024.

This is an AEMO autogenerated Market Notice.
117834SETTLEMENTS RESIDUE27/08/2024 11:36:54 AM

[EventId:202408271135_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 27 August 2024 11:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1135 hrs on 27 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 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 QLD to NSW directional interconnector.

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1135 hrs on 27 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.
117809MARKET SYSTEMS26/08/2024 09:49:57 AM

CHG0095221 | Cancelled | Production | A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.

Change Number: CHG0095221
Notification issued to: Market Notice

Notification Type: Cancelled
Change Type: Normal

Service/ Component: Gas Hub

Change Title: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
117808MARKET SYSTEMS26/08/2024 09:47:55 AM

CHG0091459 | Cancelled | Production | MSATS CATS & URM Site Transfer BNE to NOR Data Centre

Change Number: CHG0091459
Notification issued to: Market Notice

Notification Type: Cancelled
Change Type: Normal

Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)

Change Title: MSATS CATS & URM Site Transfer BNE to NOR Data Centre

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
117783POWER SYSTEM EVENTS25/08/2024 10:33:54 AM

Update - Non-credible contingency event - TAS region - 25/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 25/08/2024

Refer AEMO Electricity Market Notice 117782

At 1023 hrs the New Norfolk A 110kV 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
117782POWER SYSTEM EVENTS25/08/2024 09:24:53 AM

Non-credible contingency event - TAS region - 25/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 25/08/2024

At 0850 hrs the New Norfolk A 110kV 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
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