Market Notices

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1310 hrs on 2 April 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 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 1310 hrs on 2 April 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.

Change Number: CHG0087932

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: DWGM - Web Exchanger

Change Title: Planned System Maintenance in Preproduction for Web Exchanger

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

Change Number: CHG0087932
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance in Preproduction for Web Exchanger
Change Start Date & Time: 28/03/2024 10:00:00 AEST
Change End Date & Time: 28/03/2024 17:00:00 AEST
Outage Start Date & Time: 28/03/2024 14:00:00 AEST
Outage End Date & Time: 28/03/2024 15:00:00 AEST
Environment: Pre-Production

Participant Impact and Requirements: Access to WEX will not be available during 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 .

Change Number: CHG0087908
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Change Start Date & Time: 27/03/2024 19:00:00 AEST
Change End Date & Time: 01/04/2024 20:00:00 AEST
Outage Start Date & Time: 27/03/2024 19:00:00 AEST
Outage End Date & Time: 01/04/2024 21:18:14 AEST
Environment: Pre-Production
Participant Impact and Requirements: MSATS (preprod), CDR (preprod) and CDP (preprod) will be unavailable daily from today 27th March between 19:00 - 20:00 Market Time (AEST) until Monday 1st April
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 .

Change Number: CHG0086100
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Declared Wholesale Gas Market
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.

Change Number: CHG0087317
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: Pre-Prod BAU Retail November Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0087653
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management
Change Title: Prod eMDM Maintenance
Change Start Date & Time: 07/04/2024 10:00:00 AEST
Change End Date & Time: 07/04/2024 17:00:00 AEST
Outage Start Date & Time: 07/04/2024 10:00:00 AEST
Outage End Date & Time: 07/04/2024 14:00:00 AEST
Environment: Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

Meter data processing and RM reports will not be available during the outage period.

User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.

MSATS B2B Transactions and B2B MSATS Screens will be unavailable during this outage

NMI Discovery will not be available during the outage period.

CDR and CDP will not be available during the outage period.
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 .

Change Number: CHG0087775
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Change Start Date & Time: 02/04/2024 12:00:00 AEST
Change End Date & Time: 02/04/2024 23:30:00 AEST
Outage Start Date & Time: 02/04/2024 12:00:00 AEST
Outage End Date & Time: 02/04/2024 22:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: MSATS (preprod), CDR (preprod) and CDP (preprod) will be unavailble on the 2nd April 12:00pm AEST to 10:00pm AEST
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 .

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Severe Space Weather Watch Notification 25/03/2024

Refer to MN 115774

The Australian Bureau of Meteorology's Space Weather forecasting centre has cancelled the following notification.

Severe space weather watch: A recent Coronal Mass Ejection associated with a solar flare is anticipated to impact the Earth within the next 48 hours.


Manager NEM Real Time Operations