Market Notices

119027GENERAL NOTICE18/10/2024 08:01:30 PM

Network Augmentation Commissioned - NSW Region - 18/10/2024

AEMO ELECTRICITY MARKET NOTICE

A network augmentation has been commissioned in the NSW region at 2000 hrs 18/10/2024 as follows:

Stubo 330kV switching station has been cut into the existing Wellington - Wollar West 79 330 kV line to form the following circuits:

Wellington - Stubo SF 79 330 kV Transmission Line
Wollar West - Stubo SF 7M 330 kV Transmission Line

Manager NEM Real Time Operations
119021MARKET SYSTEMS18/10/2024 11:34:15 AM

CHG0099243 | Pre-Production | Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production

Change Number: CHG0099243

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Declared Wholesale Gas Market (DWGM)

Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Change Start Date & Time: 23/10/2024 07:00:23 AEST
Change End Date & Time: 23/10/2024 17:30:33 AEST
Outage Start Date & Time: 23/10/2024 08:00:00 AEST
Outage End Date & Time: 23/10/2024 12:30:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.

Pre-Production Declared Wholesale Gas Market Systems (DWGM)

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 .
119018MARKET SYSTEMS18/10/2024 08:38:58 AM

CHG0098658 | Completed | Production | Planned System Maintenance - Declared Wholesale Gas Market (DWGM)

Change Number: CHG0098658

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: DWGM - Web Exchanger

Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM)

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
118971SETTLEMENTS RESIDUE17/10/2024 11:31:41 AM

[EventId:202410171130_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 17 October 2024 11:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 17 October 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 17 October 2024.

Refer to market notice: 118966

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 17 October 2024.

This is an AEMO autogenerated Market Notice.
118966SETTLEMENTS RESIDUE17/10/2024 10:35:28 AM

[EventId:202410171035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 17 October 2024 10:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 17 October 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 17 October 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 17 October 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.
118945GENERAL NOTICE16/10/2024 06:44:49 PM

Heywood testing (Vic to SA) 16th October 2024 - update

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 118930 - revised the testing times.

There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 17th October 00:00hrs

This test includes a trip and reclose of a line in South Australia.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations
118934MARKET SYSTEMS16/10/2024 03:56:26 PM

CHG0098812 | Completed | Pre-Production | Pre-Prod MSATS and eMDM November Maintenance Release

Change Number: CHG0098812

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Market Settlement & Transfer System

Change Title: Pre-Prod MSATS and eMDM November Maintenance Release

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
118933SETTLEMENTS RESIDUE16/10/2024 03:00:19 PM

[EventId:202410161500_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 16 October 2024 15:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 16 October 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 October 2024.

Refer to market notice: 118931

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 16 October 2024.

This is an AEMO autogenerated Market Notice.
118931SETTLEMENTS RESIDUE16/10/2024 01:35:24 PM

[EventId:202410161335_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 October 2024 13:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1335 hrs on 16 October 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 October 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 1335 hrs on 16 October 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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