Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024

At 2341 hrs 19/04/2024 there was an unplanned outage of the Tailem Bend 275 kV Capacitor.

The following constraint set(s) invoked at 0005 hrs 20/04/2024
S-TBCP1

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024

A planned outage of Murraylink interconnector was scheduled from 0800 hrs 24/03/2024 to 1700 hrs 27/04/2024.

The outage has been completed and Murraylink interconnector returned to service at 1710 hrs 19/04/2024

Constraint set(s) revoked: I-MURRAYLINK

This constraint set(s) contains equations with the following interconnectors on the LHS.

V-S-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

Change Number: CHG0088386
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Internet Access
Change Title: QLD Internet Router Refresh

Change Start Date & Time: 04/05/2024 09:00:01 AEST
Change End Date & Time: 04/05/2024 14:00:01 AEST
Outage Start Date & Time: 04/05/2024 09:30:32 AEST
Outage End Date & Time: 04/05/2024 12:30:32 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 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 - Up to 2 hour outage to TNSPs with B2B VPN to AEMO QLD Datacentre if VPN connection is only terminating in QLD only

SSL VPN Participants: None expected as DNS entry will be updated to remove QLD IP.

GASHUB: No impact is expected as GASHUB is currently operating out of NOR 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?id=pp_services_status for any
planned/unplanned maintenance activities .

Change Number: CHG0088831
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Identity Service (IDS)

Change Title: Identity Service Config Update in Production.
Change Start Date & Time: 22/04/2024 12:00:53 AEST
Change End Date & Time: 22/04/2024 14:30:01 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production
Participant Impact and Requirements: Brief loss of redundancy might be noticed for users using Markets portal , between 12:30 PM and 13:00 PM.

Identity Service is used by the following systems:
*MSATS
*APIs (EMMS, GBB, MSATS)

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: 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.

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system - NSW region - 18/04/2024

At 1900 hrs 18/04/2024 there was a short notice outage of Tamworth No1 SVC protection system.

The following constraint set(s) invoked at 1900 hrs 18/04/2024
N-TW_SVC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

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

Inter-regional transfer limit variation - Heywood No 2 500 kV bus - VIC region - 17/04/2024

Refer market notice 116160

At 0414 hrs 17/04/2024 there was an unplanned outage of Heywood No 2 500 kV bus.

The following constraint set(s) invoked at 0430 hrs 17/04/2024
F-I-HYSE
S-X_BC_CP
V-HYTX_M12
V-HY_500BUS

This constraint set(s) contains equations with the following interconnectors on the LHS.

V-S-MNSP1, V-SA, T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations