Market Notices

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.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Para-Templers West and Magill-Torrens Island A 275kV lines

Duration: 06/06/2025 17:30 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 06/06/2025 17:30 until further notice
Constraint set(s) invoked: Nil

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.

Change Number: CHG0103461

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System_PreProd

Change Title: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .

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

Change Number: CHG0103461

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System_PreProd
Change Title: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .

Change Start Date & Time: 05/06/2025 08:00:00
Change End Date & Time: 06/06/2025 17:00:00
Outage Start Date & Time: 05/06/2025 08:00:00
Outage End Date & Time: 05/06/2025 21:00:00

Environment: Pre-Production
Participant Impact and Requirements: EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities. Maintenance activities will be conducted on 5th June.

During the window,FPP calculations may be delayed at various points.

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 of Actual (LOR1) condition in the QLD region - 04/06/2025

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.127394 is cancelled at 1945 hrs 04/06/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 04/06/2025 19:06

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 0

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