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Non-credible contingency event - QLD region - 23/01/2024
Non-credible contingency event - QLD region - 23/01/2024
At 0957 hrs the Strathmore No 2 275 kV 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 is not known at this stage.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hazelwood - South Morang No2 500 kV Line - VIC region - 23/01/2024
Inter-regional transfer limit variation - Hazelwood - South Morang No2 500 kV Line - VIC region - 23/01/2024
At 0318 hrs 23/01/2024 there was an unplanned outage of Hazelwood - South Morang No2 500 kV Line.
The following constraint set(s) invoked at 0325 hrs 23/01/2024
V-HWSM
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
CHG0082504:MSATS - Business to Business data exchange
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: 14/02/2024 10:00:00 AEST
Change End Date & Time: 14/02/2024 14:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-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 .
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 Leg of Directlink .
The following constraint set was invoked at 1510 hrs 18/01/2024
N-MBTE_1
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
CHG0082626 | Completed | Production | EMMS Production - FTP/Participant Intrface - Preventative maintenance.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Expedited
Service/Component: EMMS - Dispatch
Change Title: EMMS Production - FTP/Participant Intrface - Preventative maintenance.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0082015 | Production | Brisbane MarketNet Firewall Refresh
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Change Start Date & Time: 24/02/2024 09:00:00 AEST
Change End Date & Time: 24/02/2024 15:00:00 AEST
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 - Nil
Lan-2-Lan VPN Participants (IPSEC) - Up to 6 hours for participants who have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10) 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) prior to this scheduled outage.
B2B VPN - Up to 30 minutes outage to TNSPs with B2B VPN to AEMO QLD Datacentre if VPN connection is only terminating in QLD only
SSL VPN Participants: Up to 30 minutes outage to TNSPs with B2B VPN to AEMO QLD Datacentre if VPN connection is only terminating in QLD only
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.
Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024
Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024
At 2115 hrs 17/01/2024 there was an unplanned outage of Bulli Creek - Dumaresq 8M 330 kV line.
The following constraint set(s) invoked at 2130 hrs 17/01/2024
I-BCDM_ONE, N-DM_SVC, N-TW_SVC, N-X_8L+DM+TW_SVC, N-X_DM+LS+TW_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
CHG0082059 | Production | Norwest MarketNet Firewall Refresh
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Firewall
Change Title: Norwest MarketNet Firewall Refresh
Change Start Date & Time: 17/02/2024 09:00:00 AEST
Change End Date & Time: 17/02/2024 14:00:00 AEST
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 - Nil
Lan-2-Lan VPN Participants (IPSEC) - Up to 5 hours for participants who have established their VPN connection/s via the AEMO NSW datacenter termination point (202.44.78.10) 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 QLD datacenter termination point (202.44.76.10) prior to this scheduled outage.
B2B VPN - Up to 30 minutes outage to TNSPs with B2B VPN to AEMO NSW Datacentre if VPN connection is only terminating in NSWonly
SSL VPN Participants: Up to 30 minutes outage to TNSPs with B2B VPN to AEMO NSW Datacentre if VPN connection is only terminating in NSW only
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.
CHG0082222 | Production | EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .
Change Start Date & Time: 29/01/2024 08:00:00 AEST
Change End Date & Time: 30/01/2024 19:00:00 AEST
Outage Start Date & Time: 30/01/2024 13:25:00 AEST
Outage End Date & Time: 30/01/2024 13:30:00 AEST
Environment: Production
Participant Impact and Requirements: The maintenance activity is not expected to have any impact however delays to Dispatch cycles, bid submission, and outage to the AEMO Markets Portal are possible during the outage window on Tuesday 30th January around 13:25 to 13:30 AEST.CDR will not be available during the outage 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.