Change Number: CHG0090725

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)

Change Title: Pre-Prod MSATS and eMDM July Maintenance Release

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

Change Number: CHG0090802

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Electricity Market Management System

Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .

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

Change Number: CHG0090919

Notification issued to: Market Notice

Notification Type: Initial

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.

Change Start Date & Time: 27/06/2024 08:00:00 AEST

Change End Date & Time: 27/06/2024 17:30:00 AEST

Outage Start Date & Time: 27/06/2024 09:00:00 AEST

Outage End Date & Time: 27/06/2024 13:30:00 AEST

Environment: Pre-Production

Participant Impact and Requirements:

This is a regular procedure to allow routine maintenance. Short service outages over the day for STTM services including SWEX and MIS.

Pre-Production Gas Short Term Trading Market (STTM)

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 - Hazelwood - South Morang No 1 500 kV Line - VIC region - 25/06/2024

A planned outage of Hazelwood - South Morang No 1 500 kV Line in the VIC region was scheduled from 0800 hrs 25/06/2024 to 1530 hrs 25/06/2024.

The outage has been completed and Hazelwood - South Morang No 1 500 kV Line returned to service at 1016 hrs 25/06/2024

Constraint set(s) revoked: V-HWSM

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 25/06/2024

At 0901 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.

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 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-CONFORMANCE QLD1 Region Tuesday, 25 June 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 25/06/2024 09:35 to 25/06/2024 09:50
Amount: -40 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 24 June 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 24/06/2024 18:30 to 24/06/2024 20:20
Amount: 49 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 24 June 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_1
Duration: 24/06/2024 19:30 to 24/06/2024 20:20
Amount: -42 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0090646

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Market Network

Change Title: Planned maintenance affecting the AEMO Market Network.

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