Market Notices

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 11/08/2024 11:37 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Ross - Guybal Munjan 8917 275kVline and Ross - Guybal Munjan 8916 275kV line

Duration: 11/08/2024 09:12 until further notice

Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 11/08/2024 08:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117625

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 11/08/2024 07:22 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0091753
Notification issued to: Market Notice
Notification Type: Completed

Change Type: Normal
Service/Component: Gas Supply Hub
Change Title: Pre production Gas Supply Hub (GSH) Environment Outage

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

Change Number: CHG0095132
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the DWGM system
Change Start Date & Time: 13/08/2024 22:30:42 AEST
Change End Date & Time: 14/08/2024 08:30:42 AEST

Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements:
AEMO will be undertaking maintenance activities on the DWGM 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: CHG0095134
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the SMP system
Change Start Date & Time: 11/08/2024 15:00:57 AEST
Change End Date & Time: 12/08/2024 01:00:57 AEST

Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the SMP 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 .

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW

Lines: Buronga - Buronga - Balranald X3 220 kV Line and Buronga - Red Cliffs 0X1 220 kV kV line and Buronga - Broken Hill X2 220 kV line
Duration: 1218 hrs until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 06/08/2024 14:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117567

Auto-generated on behalf of Manager NEM Real Time Operations