Market Notices

Change Number: CHG0090611

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch

Change Title: Changes to 7-day pre-dispatch (PD7DAY) reports to only publish 5 days.
Change Start Date & Time: 17/06/2024 08:00:00 AEST
Change End Date & Time: 21/06/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: PD7DAY are reports published at least once a day and up to three times a day to assist with the administration of the gas industry's Gas Supply Guarantee and with short-term planning of gas supplies. AEMO has identified a performance issue with PD7DAY that has reduced the reliability of the delivery of the reports. As an interim measure, AEMO will reduce the outlook of PD7 DAY to 5 days which AEMO expects will reduce the frequency of missed reports.

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 .

Change Number: CHG0090585

Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: Dispatch Applications Upgrade

Change Start Date & Time: 20/06/2024 09:00:00 AEST
Change End Date & Time: 21/06/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: Under this change, AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch ,5-Minute Predispatch ,Predispatch, PD7 as part of the Integrating Energy Storage Systems project (IESS).

No outage required.
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 .

Change Number: CHG0089854
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

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 11 June 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 2024.

Refer to market notice: 116955

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 1900 hrs on 11 June 2024.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1805 hrs on 11 June 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 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 1805 hrs on 11 June 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.

Change Number: CHG0089972
Notification issued to: Market Notice Notification
Type: Completed
Change Type: Normal Service/Component: Internet Access
Change Title: Planned Maintenance to Norwest Internet firewall.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0090456
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Market Network
Change Title: Renewal and update of AEMO's FBS_Prod_Hub.aemo.com.au server certificate.

Change Start Date & Time: 07/07/2024 10:00:00 AEST
Change End Date & Time: 07/07/2024 14:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: 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 expiring 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-Prod-Hub.aemo.com.au" certificate and relates to the following domains.
FBS-Prod-Hub.aemo.com.au
apis.prod.aemo.com.au
hub.aemo.com.au
prod.frchub.net
apis.prod.marketnet.net.au
hub.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/kb7jy1dywm60d2hnjfxl4bbblmgs2bh
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.

Change Number: CHG0089972
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Internet Access
Change Title: Planned Maintenance to Norwest Internet firewall.
Change Start Date & Time: 09/06/2024 08:00:40 AEST
Change End Date & Time: 09/06/2024 10:00:40 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) - Nil

B2B VPN - May experience a short 5-10 second drop of VPN tunnel connectivity to Norwest DC.
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 prior to this scheduled outage.

SSL VPN Participants: Nil

GASHUB: Nil

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.

AEMO ELECTRICITY MARKET NOTICE

The Moorabool - Mortlake No.2 500kV Line in Victoria (VIC) region was planned to be on an outage on 07/06/2024. This outage has been withdrawn by the TNSP.

Constraint sets associated with this outage have been revoked.
I-VS+LKB_050, I-VS_050, V-MLMO

These constraint sets contains equations with the following interconnectors on the LHS.
V-SA, VIC1-NSW1, T-V-MNSP1, V-S-MNSP1

Refer to the AEMO Network Outage Scheduler (NOS) for further information.

Manager NEM Real Time Operations