Market Notices

Change Number: CHG0085737
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Pre-production EMMS database refresh
Change Start Date & Time: 26/02/2024 08:00:00 AEST
Change End Date & Time: 17/03/2024 17:30:00 AEST
Outage Start Date & Time: 04/03/2024 08:00:00 AEST
Outage End Date & Time: 08/03/2024 19:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: The pre-production EMMS environment will be refreshed with production data (NEM, WARE, SETTLEMENTS & GSH databases).
The Electricity Market Management System (EMMS) and Gas Supply Hub (GSH) Pre-Production environment will be unavailable during the outage window.

Upon completion of the outage users will be required to log in to the GSH Trayport application using their Production credentials.Trayport passwords in Pre-Production environment will be replaced with their Production passwords
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

Refer to market notice 110677

AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland.
Due to commissioning of new feeder 8905 (H13 Ross - H39 Woree) 275kV line in Far North Queensland, the system normal system strength equations for low North Queensland demands and all Karreya stations out of service conditions have been revised.

A revision to the constraint equations will be implemented at 1400 hrs on Tuesday 20th February 2024.

The new system strength combinations have now published in a limits advice document on AEMO's website. For more information refer to the new limits advice: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

This advice contains all the combinations for Queensland for system normal cases.

Below constraint equations in the Q-NIL set will be modified:

- Q_NIL_STRGTH_KBWF
- Q_NIL_STRGTH_KBWF_I
- Q_NIL_STRGTH_HAUSF
- Q_NIL_STRGTH_HAUSF_I
- Q_NIL_STRGTH_MEWF
- Q_NIL_STRGTH_MEWF_I

AEMO Operations

Change Number: CHG0083624
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: CHG0082609
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 Maintenance

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

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - RESOLVED

The issue with the standing data updates not reflecting in MSATS Enterprise MDM has been resolved.
There are no further steps to be completed. The service is now fully restored, and no further communication will be released unless there is a change of status.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager

Change Number: CHG0082504

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Business to Business data exchange

Change Title: Removal of support of TLS Version 1.1 and lower

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

AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - ALERT
AEMO is experiencing a service interruption relating to the Market Settlement & Transfer Solution Enterprise MDM service.
The overnight MSATS CATS change requests are not reflected in the MSATS Enterprise MDM. This has also impacted the Meter Data ingestion.
MDPs are advised to not resend meter data files until advised or resolved notification for this incident has been received.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager

AEMO ELECTRICITY MARKET NOTICE

Load Shedding Direction in the Vic Region

AEMO has directed load shedding commencing at 1420 hrs 13/02/2024
in the Victoria region to restore power system security.

The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.

Manager NEM Real Time Operations

Change Number: CHG0083624
Notification issued to: Market Notice
Notification Type: Initial
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.

Change Start Date & Time: 18/02/2024 09:00:00 AEST
Change End Date & Time: 18/02/2024 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the Electricity B2B Hub will be unavailable.
- All access to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) will be unavailable. CATS and MDMT transactions for VIC/QLD will be delayed during the maintenance window.
- Users are not required to take any action due to this change, however will need to enact manual workarounds for 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 .