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138770MARKET SYSTEMS30/03/2026 12:56:24 PM
Completed - CHG0106654 - Planned Maintenance to Norwest Marketnet Firewall
Change Number: CHG0106654
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Firewall
Change Title: Planned Maintenance to Norwest Marketnet Firewall
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Firewall
Change Title: Planned Maintenance to Norwest Marketnet Firewall
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
138663MARKET SYSTEMS30/03/2026 07:45:16 AM
Completed - CHG0109763 - Retail Pre-Production Data refresh (CATS and EMDM)
Change Number: CHG0109763
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
137916GENERAL NOTICE28/03/2026 03:16:56 PM
Planned outage of Broadsound - Stanwell No. 856 275 kV line in the QLD region beginning on 28/03/2026
AEMO ELECTRICITY MARKET NOTICE
The Broadsound - Stanwell No. 856 275 kV line in the Queensland (QLD) region is planned to be out of service from 1800 hrs 28/03/2026 to 2300 hrs 28/03/2026.
This outage is considered a High Impact Outage (HIO) as the outage recall is greater than 30 minutes.
A credible contingency event during this planned outage may require market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
Manager NEM Real Time Operations
The Broadsound - Stanwell No. 856 275 kV line in the Queensland (QLD) region is planned to be out of service from 1800 hrs 28/03/2026 to 2300 hrs 28/03/2026.
This outage is considered a High Impact Outage (HIO) as the outage recall is greater than 30 minutes.
A credible contingency event during this planned outage may require market intervention, such as the issuing of directions.
Refer AEMO Network Outage Schedule (NOS) for further details.
Manager NEM Real Time Operations
137465MARKET SYSTEMS27/03/2026 11:19:26 AM
Initial - CHG0108542 - MSATS 56.2 MSATS and eMDM Maintenance Release
Change Number: CHG0108542
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: MSATS 56.2 MSATS and eMDM Maintenance Release
Change Start Date & Time: 31/03/2026 13:00:00
Change End Date & Time: 31/03/2026 17:00:00
Outage Start Date & Time: 31/03/2026 12:00:00
Outage End Date & Time: 31/03/2026 16:00:00
Environment: Pre-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/B2M 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.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: MSATS 56.2 MSATS and eMDM Maintenance Release
Change Start Date & Time: 31/03/2026 13:00:00
Change End Date & Time: 31/03/2026 17:00:00
Outage Start Date & Time: 31/03/2026 12:00:00
Outage End Date & Time: 31/03/2026 16:00:00
Environment: Pre-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/B2M 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.
136999MARKET SYSTEMS25/03/2026 02:18:21 PM
Completed - CHG0109500 - Planned maintence to BNE DUO authentication proxy
Change Number: CHG0109500
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco DUO
Change Title: Planned maintence to BNE DUO authentication proxy
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco DUO
Change Title: Planned maintence to BNE DUO authentication proxy
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
136453MARKET SYSTEMS24/03/2026 11:55:34 AM
Completed - CHG0109468 - Planned maintence to NORWEST DUO authentication proxy
Change Number: CHG0109468
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco DUO
Change Title: Planned maintence to NORWEST DUO authentication proxy
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Cisco DUO
Change Title: Planned maintence to NORWEST DUO authentication proxy
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
135916GENERAL NOTICE23/03/2026 10:29:33 AM
SERVICE INTERRUPTION - Partial SCADA failure NSW
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
135906MARKET SYSTEMS23/03/2026 10:07:37 AM
CHG0108356 - Scheduled Maintenance on Norwest Datacentre
Change Number: CHG0108356
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Scheduled Maintenance on Norwest Datacentre
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Scheduled Maintenance on Norwest Datacentre
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
135904MARKET SYSTEMS23/03/2026 10:02:53 AM
Completed - CHG0109576 - eMDM AKS 1.34 Maintenance Release
Change Number: CHG0109576
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: eMDM AKS 1.34 Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: eMDM AKS 1.34 Maintenance Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.