Market Notices

Change Number: CHG0088421
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Gas Hub

Change Title: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.

Change Start Date & Time: 05/05/2024 09:00:00 AEST
Change End Date & Time: 05/05/2024 17:00:00 AEST
Outage Start Date & Time: 05/05/2024 10:00:00 AEST
Outage End Date & Time: 05/05/2024 14:00:00 AEST

Environment: Production
Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the Electricity B2B Hub will be unavailable.
- All access to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) will be unavailable. CATS and MDMT transactions for VIC/QLD will be delayed during the maintenance window.
- Users are not required to take any action due to this change, however will need to enact manual workarounds for 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.

Change Number: CHG0088427
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Emergency
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS Emergency Change
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0088427
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Emergency
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS Emergency Change
Change Start Date & Time: 17/04/2024 16:30:00 AEST
Change End Date & Time: 17/04/2024 23:00:00 AEST
Outage Start Date & Time: 17/04/2024 21:30:00 AEST
Outage End Date & Time: 17/04/2024 22:00:00 AEST
Environment: Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

Meter data processing and RM reports will not be available during the outage period.

User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.

MSATS B2B Transactions and B2B MSATS Screens will be unavailable during this outage

NMI Discovery will not be available during the outage period.

CDR and CDP 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 .

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 17/04/2024

Refer AEMO Electricity Market Notice 116160

At 0610 hrs the Heywood No 2 500 kV bus 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

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 17/04/2024

At 0414 hrs the Heywood No 2 500 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.


Manager NEM Real Time Operations

Change Number: CHG0088121
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Production MSATS Lifecycle Maintenance
Change Start Date & Time: 21/04/2024 10:00:00 AEST
Change End Date & Time: 22/04/2024 12:00:00 AEST
Outage Start Date & Time: 21/04/2024 10:00:00 AEST
Outage End Date & Time: 21/04/2024 22:00:00 AEST

Environment: Production

The change will impact participants logging into the web portal for MSATS, OPDMS, NOS and EMMS Production environments.
AEMO recommends users who need to use these AEMO services, login prior to the start of the outage and remain logged in.

The URM DB will be placed into maintenance mode from 11:15 to 16:30 AEST, users can can login in and authenticate but cannot modify credentials or create new logins.
A URM OUTAGE will occur between 16:30:00 - 17:00:00 AEST. During this time users will not be able to have create a new login sessions into TMM, OPDMS, NOS or EMMS WebPortal. Users who are already logged in will not be impacted.
An MSATS outage will occur from 10:00:00 - 20:00:00 AEST.

Participants should be aware that:
o MSATS, Meter data processing, RM reports, B2B, B2M screen, NMI Discovery, CDR, CDP will not be available
o Participant passwords will be retained.
o Users that log out and users that try to log in once the URM outage has commenced will only be able to log in after URM outage is complete. Users that are already logged in before the outage will not be impacted.
o Plain English constraints will not be available during the URM outage timeframe via the EMMS web portal.
o The redirection menu will be unavailable i.e. - https://menu.prod.nemnet.net.au.

Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

SERVICE RESUMPTION - AEMO NEM Control Rooms BT Phones

Refer AEMO Electricity Market Notice 116127

AEMO advises participants that the service interruption relating to: AEMO NEM Control Rooms BT Phones has been resolved.
Participants may resume using the standard AEMO contact numbers.

Participants experiencing any further service issues should contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: supporthub@aemo.com.au

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones

AEMO is experiencing a service interruption relating to: NEM Control Room Primary BT Phone services

Primary phone communication in and out of the NEM Control Rooms are currently unavailable.

AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.

Participants are requested to contact the AEMO Electricity Control Room via backup means.

For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: supporthub@aemo.com.au]

Manager NEM Real Time Operations

Change Number: CHG0088138
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Change Start Date & Time: 20/04/2024 09:00:00 AEST
Change End Date & Time: 20/04/2024 15:00:00 AEST
Outage Start Date & Time: 20/04/2024 13:30:00 AEST
Outage End Date & Time: 20/04/2024 13:40:00 AEST

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

Expecting an impact to the below services for approximately 10 minutes from 13:30 AEST:
RTMS UI
WEMDE UI - General Instance
WASM MPI

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 .