Market Notices

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 15 April AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 250 MW to 325 MW

Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 125 MW to 200 MW

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

Change Number: CHG0085919
Notification issued to: Market Notice

Notification Type: Initial
Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange
Change Title: Removal of support of TLS Version 1.1 and lower

Change Start Date & Time: 14/04/2024 09:00:00 AEST
Change End Date & Time: 14/04/2024 13:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: Participants using TLS version 1.1 and lower, need to update their servers to use TLSv1.2 as a minimum. Failing to do so would impact the connectivity with AEMO. An outage is not expected but, there may be some minor interruptions during the change period.

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: CHG0087945
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.

Change Start Date & Time: 10/04/2024 11:00:00 AEST
Change End Date & Time: 10/04/2024 12:00:00 AEST
Outage Start Date & Time: 10/04/2024 11:00:00 AEST
Outage End Date & Time: 10/04/2024 12:00:00 AEST

Environment: Production

Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this 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

Refer to market notices 114742.

AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 15th February 2024. The next hold point can now be released.

The hold point of 850 MW from NSW to Qld will be implemented as of 1000 hrs 10th April 2024.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations

Change Number: CHG0087653

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MDM - Meter Data Management

Change Title: Prod eMDM Maintenance

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

Change Number: CHG0086184

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Local Area Network

Change Title: NSW Internet Router Refresh

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

AEMO ELECTRICITY MARKET NOTICE

Update - Network Augmentation Commissioned - QLD Region - 09/04/2024

Refer Market notice: 115957

Guybal Munjan 275 kV Switching Station has been cut into the existing Ross - Chalumbin No.858 275 kV line to form the following circuits:

H93 Guybal Munjan - H32 Chalumbin No.858 275 kV line
H13 Ross - H93 Guybal Munjan No.8916 275 kV line

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1330 hrs on 4 April 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2024.

Refer to market notice: 115958

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1330 hrs on 4 April 2024.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 4 April 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1235 hrs on 4 April 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.