Market Notices

Change Number: CHG0099241
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Migrate DEV / TEST / Pre-Production (PPD) VLAN 104 Gateway in Norwest from the Old Core Switches to the New Core Switches.
Change Start Date & Time: 24/10/2024 10:00:00 AEST
Change End Date & Time: 24/10/2024 16:00:00 AEST
Outage Start Date & Time: 24/10/2024 11:57:00 AEST
Outage End Date & Time: 24/10/2024 12:02:00 AEST
Environment: Production
Participant Impact and Requirements:
Planned maintenance has been scheduled for the 24th October, commencing 11:57am - 12:02pm AEST. During this time there will be a brief outage (Up to 30 seconds) impacting the following Pre-Production systems:

- MSATS Retail
- EMMS Wholesale
- GAS Market Systems
- WA Market Systems

The maintenance being carried out relates to infrastructure only, no application or functional changes are being performed. If you experience system related issues beyond the outage window (12:02pm) please contact the AEMO Support Hub.

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: CHG0098837

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System_PreProd

Change Title: EMMS-Pre-Production Bay transfer for Core switch Refresh

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0098524

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Short Term Trading Market (STTM)

Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600

Change Number: CHG0098496

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Market Network

Change Title: QLD Marketnet Router Replacement

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0098837

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System_PreProd

Change Title: EMMS-Pre-Production Bay transfer for Core switch Refresh

Change Start Date & Time: 22/10/2024 07:00:00 AEST
Change End Date & Time: 22/10/2024 19:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Pre-Production

Participant Impact and Requirements: A Bay transfer is scheduled for 22nd October is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.

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

A network augmentation has been commissioned in the NSW region at 2000 hrs 18/10/2024 as follows:

Stubo 330kV switching station has been cut into the existing Wellington - Wollar West 79 330 kV line to form the following circuits:

Wellington - Stubo SF 79 330 kV Transmission Line
Wollar West - Stubo SF 7M 330 kV Transmission Line

Manager NEM Real Time Operations

Change Number: CHG0099243

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Declared Wholesale Gas Market (DWGM)

Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Change Start Date & Time: 23/10/2024 07:00:23 AEST
Change End Date & Time: 23/10/2024 17:30:33 AEST
Outage Start Date & Time: 23/10/2024 08:00:00 AEST
Outage End Date & Time: 23/10/2024 12:30:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.

Pre-Production Declared Wholesale Gas Market Systems (DWGM)

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: CHG0098658

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: DWGM - Web Exchanger

Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM)

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 118930 - revised the testing times.

There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 17th October 00:00hrs

This test includes a trip and reclose of a line in South Australia.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations