Market Notices

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
     
118150MARKET SUSPENSION05/09/2024 02:41:01 PM

Declaration of electricity market resumption

AEMO ELECTRICITY MARKET NOTICE

Declaration of electricity market resumption

Refer initial AEMO Electricity Market Notice 118149

AEMO declares that the suspension of the spot market in New South Wales, Queensland, South Australia, Tasmania and Victoria will end at 1510 hrs on 05 September 2024.

AEMO has taken sufficient steps to exclude the original event having influence on market processes and AEMO assesses that the possibility of suspending the spot market within the next 24 hours due to the same cause is minimal. AEMO also determines that it can operate the market in accordance with the provisions of the NER.

Relevant Market Notices issued under this suspension: 118149

Manager NEM Real Time Operations
     
118149MARKET SUSPENSION05/09/2024 02:31:20 PM

Declaration of electricity market suspension

AEMO ELECTRICITY MARKET NOTICE

Declaration of electricity market suspension

AEMO declares the spot market suspended in New South Wales, Queensland, South Australia, Tasmania and Victoria with Market Suspension Schedule Pricing (refer NER clause 3.14.5(b)) from Trading Interval 1355 hrs on 5 September 2024 until further notice.

Dispatch prices for the first one or two dispatch intervals of this market suspension will be reviewed manually.

Manager NEM Real Time Operations
     
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
     
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