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CHG0091340 | Production | QLD Marketnet Router Replacement
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Market Network
Change Title: QLD Marketnet Router Replacement
Change Start Date & Time: 14/09/2024 14:00:01 AEST
Change End Date & Time: 14/09/2024 18:00:01 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 on the 14th September 2024:
IPWAN Participants - A brief interuption of up to 60 seconds while services are failover from QLD to NSW Datacenter.
Lan-2-Lan VPN Participants (IPSEC) - Up to 2 hour outage 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 - No impact is expected.
SSL VPN Participants: None expected as SSL VPN's are hosted on a different device.
GASHUB: No impact is expected as GASHUB will be failed over to the 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?d=pp_services_status for any planned/unplanned maintenance activities .
CHG0091298 | Production | Change to MarketNet SSL VPN
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Market Network
Change Title: Change to MarketNet SSL VPN
Change Start Date & Time: 19/08/2024 18:00:43 AEST
Change End Date & Time: 19/08/2024 22:00:43 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: A change to the MarketNet SSL VPN connection will take place on the 19th August 2024 between 6pm and 10PM AEST. There will be a 30 minute period during this change where no new VPN Connections will be able to be established.
Post the change window, participants running on an older version of the software may receive a message that the Anyconnect VPN client needs to be updated. This process should be automatic and once done VPN connectivity should be as normal.
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?d=pp_services_status for any planned/unplanned maintenance activities .
CHG0091533 | Completed | Production | Planned Outage for the Gas Short Term Trading Market Systems Production.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Increase to QNI limit to next hold point of 1400 MW Qld to NSW
Refer to market notices 117060.
AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 19th June 2024. The next hold point can now be released.
The hold point of 1400 MW from Qld to NSW will be implemented as of 1000 hrs 31st July 2024.
Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade
Ben Blake
AEMO Operations
CHG0091507 | Production | As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical s
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.
Change Start Date & Time: 26/08/2024 08:00:00 AEST
Change End Date & Time: 28/08/2024 18:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.
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?d=pp_services_status for any planned/unplanned maintenance activities .
Non-credible contingency event - QLD region - 30/07/2024
Non-credible contingency event - QLD region - 30/07/2024
At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.
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.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 27/07/2024
Update - Non-credible contingency event - QLD region - 27/07/2024
Refer AEMO Electricity Market Notice 117487
At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer was returned to service.
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
Correction - Non-credible contingency event - QLD region - 27/07/2024
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 27/07/2024
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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.
Manager NEM Real Time Operations