Market Notices

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 7 June 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 June 2025.

Refer to market notice: 127445

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

The negative residue constraint NRM_SA1_VIC1 ceased operating at 1130 hrs on 7 June 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 7 June 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 June 2025.

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

The negative residue constraint set NRM_SA1_VIC1 commenced operating from 1035 hrs on 7 June 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

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


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Correction - Cancellation of Actual (LOR1) condition in the NSW region - 06/06/2025

Correction to Market Notice 127432

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127421 is cancelled at 1915 hrs 06/06/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 06/06/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127421 is cancelled at 1815 hrs 06/06/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 06/06/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs

The capacity reserve requirement is 1694 MW
The minimum capacity reserve available is 1692 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:


[1.] From 1730 hrs 06/06/2025 to 1800 hrs 06/06/2025.
The forecast capacity reserve requirement is 1598 MW.
The minimum capacity reserve available is 1551 MW.


Manager NEM Real Time Operations

Change Number: CHG0103213

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Local Area Network

Change Title: Scheduled maintenance of Marketnet router in Brisbane

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

Change Number: CHG0103273

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Scheduled Maintenance on Brisbane Datacentre
Change Start Date & Time: 14/06/2025 10:00:00
Change End Date & Time: 14/06/2025 16:00:00
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - A brief interuption of up to 60 seconds while services are failed over from QLD to NSW Datacenter.

Lan-2-Lan VPN Participants (IPSEC) - Up to 4 hour outage for participants who have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10 for Policy Based VPN's or 202.44.76.12 for Route Based VPN) only - All L2L connections should be established to both QLD / NSW.

Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO NSW datacenter termination point (202.44.78.10 or 202.44.78.12) prior to this scheduled outage. *** Failure to do so will impact connectivity to Marketnet Services ***.

B2B VPN - No impact is expected.

SSL VPN Participants: None expected as DNS entry will be updated to remove QLD IP.

GASHUB: A brief interuption of up to 60 seconds while services are failover from QLD to NSW Datacenter.

Other Impacts will have been communicated in advance.

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

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127401 is cancelled at 1400 hrs 06/06/2025

AEMO Operations