Market Notices

122326MARKET SYSTEMS20/12/2024 04:16:29 PM

INC0139532 | Impact to Prudentials

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - ALERT

The service interruption relating to Prudentials & Settlements have now been resolved.
AEMO is working on the issue and will provide updates as more information becomes available.

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
     
122318INTER-REGIONAL TRANSFER20/12/2024 03:28:59 PM

Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South East No.61 Capacitor 275kV - SA region - 20/12/2024

At 1445 hrs 20/12/2024 there was an unplanned outage of South East No.61 Capacitor 275kV.

The following constraint set(s) invoked at 1445 hrs 20/12/2024
S-SE_1CP

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122317INTER-REGIONAL TRANSFER20/12/2024 03:16:23 PM

Update Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

At 1300 hrs 20/12/2024 there was a short notice outage of Lismore SVC 132kV.

The following constraint set(s) invoked at 1300 hrs 20/12/2024
N-LS_VC1

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122310INTER-REGIONAL TRANSFER20/12/2024 01:01:43 PM

Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024

At 1300 hrs 20/12/2024 there was a short notice outage of [outage element].

The following constraint set(s) invoked at 1300 hrs 20/12/2024
N-LS_VC1

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122281MARKET SYSTEMS19/12/2024 04:40:39 PM

INC0139532 - ALERT - Impact to Prudentials

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - ALERT

AEMO is experiencing a service interruption relating to: Prudentials & Settlements.

AEMO is working on the issue and will provide updates as more information becomes available.

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600

Email: supporthub@aemo.com.au

AEMO IT Duty Manager
     
122047MARKET SYSTEMS16/12/2024 06:07:34 PM

CHG0100502 | Production | Planned maintenance affecting the AEMO Market Network.

Change Number: CHG0100502
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network ***Outage Updated***
Change Start Date & Time: 19/12/2024 07:00:00 AEST
Change End Date & Time: 20/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 19/12/2024 09:12:00 AEST
Outage 1 End Date & Time: 19/12/2024 09:13:00 AEST
Outage 2 Start Date & Time: 19/12/2024 15:12:00 AEST
Outage 2 End Date & Time: 19/12/2024 15:13:00 AEST

Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 19th of December 2024, between 07:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.

During there change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.

Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney site and do not need to take any action.
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 .

     
121806POWER SYSTEM EVENTS12/12/2024 08:52:19 PM

Non-credible contingency event - QLD region - 12/12/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 12/12/2024

At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 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
     
121759RECALL GEN CAPACITY12/12/2024 09:09:42 AM

Request for Generator Recall Information for the period 16/12/2024 and 17/12/2024 for Region NSW

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Electricity Market Notice no. 121760, 121762, and 121765.

Please provide Generator Recall Information for the period from 16/12/2024 to 17/12/2024, by 1200 hrs on 13/12/2024 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.

SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf

Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf


AEMO Operations
     
121757RECALL GEN CAPACITY12/12/2024 09:07:27 AM

Request for Generator Recall Information for the period 16/12/2024 for Region VIC

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Electricity Market Notice no. 121767.

Please provide Generator Recall Information for the period 16/12/2024, by 1200 hrs on 13/12/2024 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.

SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf

Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf


AEMO Operations
     
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