Market Notices

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Load Restoration Direction in the NSW Region - 08/07/2024

Refer to AEMO Electricity Market Notice 117322
Load restoration as directed is complete. Direction cancelled from 2200 hrs 08/07/2024

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Load Restoration Direction in the NSW Region

AEMO has directed load restoration commencing at 1930 hrs 08/07/2024
in the NSW region

The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Load Shedding Direction in the NSW Region

AEMO has directed load shedding commencing at 1817 hrs 08/07/2024
in the NSW region

to maintain power system security.

The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.

Manager NEM Real Time Operations

Change Number: CHG0091021

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

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

Change Title: Pre-Prod MSATS 53.1.1 Patch Maintenance Release

Change Start Date & Time: 10/07/2024 15:30:00 AEST
Change End Date & Time: 10/07/2024 16:30:00 AEST
Outage Start Date & Time: 05/07/2024 15:30:00 AEST
Outage End Date & Time: 05/07/2024 16:30:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage

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: CHG0090456

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Market Network

Change Title: Renewal and update of AEMO's FBS_Prod_Hub.aemo.com.au server certificate.

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

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 117306 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 2300 hrs 06/07/2024.

Constraint set revoked: I-VS_250

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.

AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.

AEMO has taken the following action to maintain power system security at 2120 hrs 06/07/2024.

Constraint set invoked: I-VS_250

Duration: 2120 hrs 06/07/2024 until further notice

Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Cancellation time: 1400 hrs 06/07/2024
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 117297

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 05/07/2024 21:30 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations