Market Notices

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

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

AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:

[1.] From 1530 hrs 16/12/2024 to 1600 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 10 MW at 1530 hrs.

[2.] From 1700 hrs 16/12/2024 to 1830 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 106 MW at 1730 hrs.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations

Change Number: CHG0100201
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: 16/12/2024 08:00:00 AEST
Change End Date & Time: 17/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 16/12/2024 08:12:00 AEST
Outage 1 End Date & Time: 16/12/2024 08:13:00 AEST
Outage 2 Start Date & Time: 16/12/2024 15:12:00 AEST
Outage 2 End Date & Time: 16/12/2024 15:13:00 AEST

Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 16th of December 2024, between 08:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.

During the 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 .

Change Number: CHG0100220

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System_PreProd

Change Title: Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages

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

Change Number: CHG0100201

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MarketNet

Change Title: Planned maintenance affecting the AEMO Market Network.

Change Start Date & Time: 16/12/2024 08:00:00 AEST
Change End Date & Time: 17/12/2024 17:00:00 AEST
Outage Start Date & Time: 16/12/2024 15:12:00 AEST
Outage End Date & Time: 16/12/2024 15:13:00 AEST

Environment: Production

Participant Impact and Requirements: Planned maintenance will be conducted on the 16th of December 2024, between 07:30AM 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 .

Change Number: CHG0100257

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Local Area Network

Change Title: MarketNet Services via Brisbane service disruption for 1-3 seconds as traffic is failed between highly available load balancing services.

Change Start Date & Time: 12/12/2024 14:00:00 AEST
Change End Date & Time: 12/12/2024 16:00:00 AEST
Outage Start Date & Time: 12/12/2024 15:00:00 AEST
Outage End Date & Time: 12/12/2024 15:01:00 AEST

Environment: Production

Participant Impact and Requirements: During there change, there will be a 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 Norwest will not be affected during this time.

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 - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.

Refer to Market Notice 121617 for Forecast MSL1.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024

Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.

Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.

Manager NEM Real Time Operations