Market Notices

125608SETTLEMENTS RESIDUE13/03/2025 06:30:23 PM

[EventId:202503131830_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 13 March 2025 18:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 13 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 March 2025.

Refer to market notice: 125605

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 1830 hrs on 13 March 2025.

This is an AEMO autogenerated Market Notice.
     
125605SETTLEMENTS RESIDUE13/03/2025 05:40:23 PM

[EventId:202503131740_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 13 March 2025 17:40

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1740 hrs on 13 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 March 2025.

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 1740 hrs on 13 March 2025.

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.
     
125599RESERVE NOTICE13/03/2025 03:02:59 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:

From 1700 hrs to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1728 MW.
The minimum capacity reserve available is 1129 MW.

AEMO Operations
     
125598RESERVE NOTICE13/03/2025 03:02:59 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 15/03/2025

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:

From 1730 hrs to 1900 hrs 15/03/2025.
The forecast capacity reserve requirement is 1613 MW.
The minimum capacity reserve available is 1540 MW.

AEMO Operations
     
125593MARKET SYSTEMS13/03/2025 09:28:51 AM

CHG0101808 - Pre-production EMMS database Maintainence activity

Change Number: CHG0101808

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.

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 .
     
125591MARKET SYSTEMS13/03/2025 06:56:51 AM

CHG0101808 - Pre-production EMMS database Maintainence activity

Change Number: CHG0101808

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.

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 .
     
125570MARKET SYSTEMS12/03/2025 03:23:40 PM

CHG0101876 - Pre-Prod eMDM Hotfix Maintenance Release

Change Number: CHG0101876

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management_PreProd
Change Title: Pre-Prod eMDM Hotfix Maintenance Release

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
125568POWER SYSTEM EVENTS12/03/2025 03:00:00 PM

Update - Non-credible contingency event - TAS region - 12/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 12/03/2025

Refer AEMO Electricity Market Notice 125564

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: TAS

Elements: Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line
Duration: 1500 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
     
125567MARKET SYSTEMS12/03/2025 02:53:03 PM

CHG0101704 - As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisban

Change Number: CHG0101704

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.

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