Market Notices

127433RESERVE NOTICE06/06/2025 07:56:10 PM

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

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
     
127432RESERVE NOTICE06/06/2025 07:12:56 PM

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

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
     
127421RESERVE NOTICE06/06/2025 05:39:13 PM

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

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
     
127419RECLASSIFY CONTINGENCY06/06/2025 05:36:32 PM

Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.

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
     
127418RECLASSIFY CONTINGENCY06/06/2025 05:36:22 PM

Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.

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
     
127415MARKET SYSTEMS06/06/2025 03:57:35 PM

Completed - CHG0103213 - Scheduled maintenance of Marketnet router in Brisbane

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.
     
127414MARKET SYSTEMS06/06/2025 03:55:29 PM

Initial - CHG0103273 - Scheduled Maintenance on Brisbane Datacentre

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.
     
127406POWER SYSTEM EVENTS06/06/2025 08:43:55 AM

Non-credible contingency event - VIC region - 06/06/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 06/06/2025

At 0830 hrs the Wodonga No 2 330kV bus 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
     
127405MARKET SYSTEMS06/06/2025 08:35:43 AM

Completed - CHG0103461 - EMMS Pre-Production Systems will be transferred to the alternative datacentre for 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.
     
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