Market Notices

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 05/03/2025

At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - RESOLVED

The service interruption relating to the Electricity Market Management System service has been resolved. There was a single NEM Trading Interval missed at 14:00 AEST

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager

Change Number: CHG0101704

Notification issued to: Market Notice
Notification Type: Initial
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.
Change Start Date & Time: 04/03/2025 08:00:00
Change End Date & Time: 06/03/2025 18:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.

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: CHG0101364

Notification issued to: Market Notice
Notification Type: Completed
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.

Change Number: CHG0100544

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS - CATS Production Site Transfer Brisbane to Norwest

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

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 01/03/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.125159 is cancelled at 1842 hrs 01/03/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/03/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1354 MW

Manager NEM Real Time Operations

Change Number: CHG0101252

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Retail Pre-Production Data refresh (CATS and EMDM)

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

Change Number: CHG0100544
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS - CATS Production Site Transfer Brisbane to Norwest
Change Start Date & Time: 02/03/2025 09:00:00
Change End Date & Time: 02/03/2025 15:00:00
Outage Start Date & Time: 02/03/2025 10:00:00
Outage End Date & Time: 02/03/2025 14:00:00
Environment: Production
Participant Impact and Requirements
The outage will affect logins to Web Portals, MSATS, WEMDEUI, OPDMS, NOS, TMM, Gas Supply Hub, Capacity Auction, and Gas Bulletin Board. API calls to these services will be unavailable during the URM outage.
Outage Windows:
MSATS: 10:00 - 14:00 AEST
URM: 11:15 - 11:45 AEST
Impacted Services:
Web Portals (Markets, Internal & Public) and the following systems:
WEMDEUI, GSH, GBB, MSATS, DERR, PMS, RERT, SIMMS, DWGM, EMMS, Market Notice, DI
Key Impacts:
MSATS, Meter Data Processing, RM reports, B2B, B2M screens, NMI Discovery, CDR, and CDP will be unavailable.
Logged-in users before the outage will not be affected, but logging out means waiting until the outage ends to log back in.
Password resets and new account creations during the URM outage must be redone.
MSATS and NOS Server FTP sessions will be disabled, but Wholesale MMS FTP will remain available.
Plain English constraints and the redirection menu will be unavailable during the outage.
Capacity auction bidding via the Markets Portal and direct API calls will be unavailable.
Gas Supply Hub will remain open for trading, but reports will be inaccessible via Publishing Direct.
Recommendation:
Users should log in before the outage and remain logged in to avoid disruptions.
Support Information:
Report any impacts to the AEMO 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 .