Market Notices

117508GENERAL NOTICE30/07/2024 02:45:25 PM

Increase to QNI limit to next hold point of 1400 MW Qld to NSW

AEMO ELECTRICITY MARKET NOTICE

Refer to market notices 117060.

AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 19th June 2024. The next hold point can now be released.

The hold point of 1400 MW from Qld to NSW will be implemented as of 1000 hrs 31st July 2024.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations
117507MARKET SYSTEMS30/07/2024 01:27:09 PM

CHG0091507 | Production | As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical s

Change Number: CHG0091507

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange

Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.

Change Start Date & Time: 26/08/2024 08:00:00 AEST
Change End Date & Time: 28/08/2024 18:00:00 AEST

Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.

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?d=pp_services_status for any planned/unplanned maintenance activities .
117503POWER SYSTEM EVENTS30/07/2024 07:07:11 AM

Non-credible contingency event - QLD region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 30/07/2024

At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.

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
117500POWER SYSTEM EVENTS28/07/2024 05:14:14 PM

Update - Non-credible contingency event - QLD region - 27/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 27/07/2024

Refer AEMO Electricity Market Notice 117487

At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
117487POWER SYSTEM EVENTS27/07/2024 10:52:18 AM

Correction - Non-credible contingency event - QLD region - 27/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Correction to Market Notice 117486

Non-credible contingency event - QLD region - 27/07/2024

At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
117486POWER SYSTEM EVENTS27/07/2024 10:26:53 AM

Non-credible contingency event - QLD region - 27/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 27/07/2024

At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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
117477MARKET SYSTEMS26/07/2024 05:11:06 PM

CHG0091533 | Production | Planned Outage for the Gas Short Term Trading Market Systems Production.

Change Number: CHG0091533
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.

Change Start Date & Time: 08/08/2024 09:00:00 AEST
Change End Date & Time: 08/08/2024 22:00:00 AEST
Outage Start Date & Time: 08/08/2024 18:30:00 AEST
Outage End Date & Time: 08/08/2024 21:00:00 AEST
Environment: Production

Participant Impact and Requirements: Gas Short Term Trading Market (STTM) services including SWEX and MIS, SPI and SBS will not be available during the outage window in Production.

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 .
117466GENERAL NOTICE30/07/2024 09:20:28 PM

Network Augmentation Commissioned - VIC Region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - VIC Region - 30/07/2024

Cressy Terminal Station has been cut into the existing Moorabool - Mortlake No.2 500 kV line to form the following circuits:

Cressy - Mortlake No.2 500 kV line
Cressy - Moorabool No.2 500 kV line

Manager NEM Real Time Operations
117412MARKET SYSTEMS22/07/2024 09:52:44 AM

CHG0090458 | Completed | Production | Planned Maintenance to Brisbane Internet firewall.

Change Number: CHG0090458
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Internet Access
Change Title: Planned Maintenance to Brisbane Internet firewall.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
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