Market Notices

118171POWER SYSTEM EVENTS06/09/2024 08:18:58 PM

Update - Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 06/09/2024

Refer AEMO Electricity Market Notice 118166

At 2005 hrs the Loy Yang PS No. 4 500 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
118166POWER SYSTEM EVENTS06/09/2024 12:38:00 PM

Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 06/09/2024

At 1222 hrs the Loy Yang PS No. 4 500 kV bus 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
118160MARKET SYSTEMS05/09/2024 05:31:45 PM

CHG0098106 | Completed | Production | EMMS Production Bay transfer

Change Number: CHG0098106

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System

Change Title: EMMS Production Bay transfer
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
118159MARKET SYSTEMS05/09/2024 05:27:59 PM

CHG0097007 | Cancelled | Production | AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Change Number: CHG0097007

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
118158MARKET SYSTEMS05/09/2024 05:25:32 PM

CHG0097010 | Cancelled | Production | AEMO will be undertaking maintenance activities on the RCM system

Change Number: CHG0097010

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the RCM system

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
118157MARKET SYSTEMS05/09/2024 05:23:00 PM

CHG0097011 | Cancelled | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Change Number: CHG0097011

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
118146MARKET SYSTEMS05/09/2024 10:31:12 AM

CHG0098106 | Production | EMMS Production Bay transfer

Change Number: CHG0098106

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: EMMS Production Bay transfer

Change Start Date & Time: 05/09/2024 08:00:00 AEST

Change End Date & Time: 06/09/2024 17:30:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: EMMS Bay transfer is scheduled for 5th September is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.

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?d=pp_services_status for any planned/unplanned maintenance activities .
118145GENERAL NOTICE05/09/2024 10:06:25 AM

Fast Frequency Response Market - Removal of L1 FCAS dispatch cap from 9th September 2024

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.

The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
118110MARKET SYSTEMS03/09/2024 04:45:37 PM

CHG0097011 | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Change Number: CHG0097011

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system

Change Start Date & Time: 05/09/2024 20:00:00 AEST
Change End Date & Time: 06/09/2024 02:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa 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 .
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm