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CHG0089703 | Completed | Production | Planned System Maintenance activity.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0089859 | Pre-Production | Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas FRC - CATS
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.
Change Start Date & Time: 23/05/2024 09:00:00 AEST
Change End Date & Time: 23/05/2024 18:00:00 AEST
Outage Start Date & Time: 23/05/2024 09:00:00 AEST
Outage End Date & Time: 23/05/2024 17:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the VIC & QLD RETAIL GFRC Pre-Production Systems will be unavailable.
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 .
[EventId:202405201830_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 20 May 2024 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 May 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 May 2024.
Refer to market notice: 116731
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1830 hrs on 20 May 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202405201730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 20 May 2024 17:30
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 20 May 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 May 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1730 hrs on 20 May 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
CHG0089836 | Pre-Production | Renewal and update of AEMO's FBS-Test-Hub.aemo.com.au server certificate.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Renewal and update of AEMO's FBS-Test-Hub.aemo.com.au server certificate.
Change Start Date & Time: 11/06/2024 10:00:00 AEST
Change End Date & Time: 11/06/2024 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: AEMO's FRC Gas Hub web services need to have their server certificates updated every year with new certificates to replace the xpiring one.
Participants connecting to these endpoints or receiving requests from AEMO's FRC Gas Hub platforms and have authorisation mechanisms like certificate fingerprinting in place will notice a change in AEMO's server's certificate fingerprint and will need to update their systems accordingly.
The certificate relates to "FBS-Test-Hub.aemo.com.au" certificate and relates to the following domains.
FBS-Test-Hub.aemo.com.au
apis.preprod.aemo.com.au
preprodhub.aemo.com.au
preprod.frchub.net
apis.preprod.marketnet.net.au
preprodhub.marketnet.net.au
Participants WILL need to update the profile that communicates with the above domains.
This will need to be done to avoid the inability to send messages to the relay.
The certificates can be downloaded from the link below:
https://www.digicert.com/secure/download-certificate/m7lnm6qjq6lgqn5kn228qt11d6x9qxv
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.
CHG0089648 | Pre-Production | NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Thursday 16 May until 12pm (EST)
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Supply Hub
Change Title: NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Thursday 16 May until 12pm (EST)
Change Start Date & Time: 16/05/2024 09:00:00 AEST
Change End Date & Time: 16/05/2024 12:00:00 AEST
Outage Start Date & Time: 16/05/2024 09:00:00 AEST
Outage End Date & Time: 16/05/2024 12:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: Services may be unavailable while maintenance is in progress
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 .
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 due to Lightning.
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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 18/05/2024 20:09
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 116690
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 18/05/2024 19:05 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 18/05/2024 16:49
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 116676
Auto-generated on behalf of Manager NEM Real Time Operations