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Load Shedding Direction in the Vic Region
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
Significant power system event - 13 Feb 2024
Significant power system event - 13 Feb 2024
At 1308 hrs 13/02/2024 a significant power system event occurred.
Description of event - Multiple tripping of generation and transmission lines in the Vic region
Transmission element(s) tripped - Moorabool Sydenham No1 and No2 500 kV lines tripped
Region/s - Vic
Load interrupted - in excess of 1000 MW
Generation volume tripped - 2300 MW
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
CHG0083624 | Production | A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.
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 .
CHG0082609 | Production | MSATS-CATS Production Maintenance
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 Maintenance
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: 18/02/2024 10:00:00 AEST
Outage End Date & Time: 18/02/2024 14:00:00 AEST
Environment: Production
The change has some login outages that are below and will impact participants logging into the web portal for MSATS, OPDMS, NOS and EMMS production environments.
AEMO recommends users who need to use these AEMO services, login prior to the start of the outage and remain logged in.
NOTE: If you log out of this session, you will be unable to log back in until the completion of the outage.
A URM outage will occur between 11:00 - 11:30 AEST and have an expected outage duration of upto 15 minutes. During this time users will not be able to have new login sessions into TMM, OPDMS, NOS or EMMS WebPortal.
The MSATS outage is 10:00 - 14:00 AEST which is the agreed maintenance window.
Participants should be aware that: MSATS, Meter data processing, RM reports, B2B, B2M screen, NMI Discovery, CDR, CDP will not be available Participant passwords will be retained. Users that log out and users that try to log in once the URM outage has commenced will only be able to log in after URM outage is complete. Any password resets or new account creations completed during the URM outage window will need to be redone MSATS FTP sessions will be disabled during outage Wholesale MMS FTP will still be available .
The redirection menu will be unavailable during the MSATS outage timeframe Report any impacts to the AEMO Information and Support Hub or call 1300 236 648.
CHG0082564 | Completed | Production | Identity Service Site Transfer
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: EMMS - WebPortal
Change Title: Identity Service Site Transfer
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0082222 | Completed | Production | EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0082787 | Completed | Pre-Production | Pre-Production MSATS r50.0.5 Patch Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Production MSATS r50.0.5 Patch Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 27/01/2024
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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