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Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 07/06/2025 06:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
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
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.
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
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/06/2025
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
Completed - CHG0103213 - Scheduled maintenance of Marketnet router in Brisbane
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.
Initial - CHG0103273 - Scheduled Maintenance on Brisbane Datacentre
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.
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 10/06/2025
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
Completed - CHG0103461 - EMMS Pre-Production Systems will be transferred to the alternative datacentre for maintenance activities .
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.
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
From 1800 hrs to 1830 hrs 12/06/2025.
The forecast capacity reserve requirement is 1618 MW.
The minimum capacity reserve available is 1595 MW.
AEMO Operations