Market Notices

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 19/09/2024

At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.

AEMO did not instruct load shedding.

AEMO has advised of approximately 112 MW disconnection of bulk electrical load,
disconnection of generation at Studland Bay Wind generator (71 MW) and 23 MW generation reduction at Gordon Power station.

The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 19/09/2024

At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines 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

Change Number: CHG0098133
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: NEM Reform - RMI (Retail Market Improvements) MSATS 54.0
Change Start Date & Time: 29/09/2024 10:00:00 AEST
Change End Date & Time: 29/09/2024 17:00:00 AEST
Outage Start Date & Time: 29/09/2024 10:00:00 AEST
Outage End Date & Time: 29/09/2024 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/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 .

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 16/09/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.118298 is cancelled at 1915 hrs 16/09/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1274 MW

Manager NEM Real Time Operations

Change Number: CHG0098210
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600

Change Number: CHG0091340
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Market Network
Change Title: QLD Marketnet Router Replacement
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600

Change Number: CHG0098210
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Change Start Date & Time: 12/09/2024 13:00:14 AEST
Change End Date & Time: 13/09/2024 00:00:14 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system. Whilst no outage is expected there is potential for transient performance degradation during the change.

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: CHG0098189

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS Maintenance

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