Market Notices

117514MARKET INTERVENTION31/07/2024 02:26:01 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 117512

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1000 hrs 01/08/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 31/07/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
117512MARKET INTERVENTION31/07/2024 12:39:56 PM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1000 hrs 01/08/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
117511MARKET SYSTEMS31/07/2024 09:13:12 AM

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

Change Number: CHG0091533

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Short Term Trading Market

Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
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 .
117504RECLASSIFY CONTINGENCY30/07/2024 07:22:04 AM

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

AEMO ELECTRICITY MARKET NOTICE.

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

Refer AEMO Electricity Market Notice 117503

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: QLD

Elements: Darling Downs Power Station
Duration: 0720 hrs until further notice
Constraint set(s) invoked: Q-DARLING_DOWNS_N-2

Manager NEM Real Time Operations
117495RECLASSIFY CONTINGENCY27/07/2024 07:24:40 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 27/07/2024 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117494

Auto-generated on behalf of Manager NEM Real Time Operations
117494RECLASSIFY CONTINGENCY27/07/2024 04:20:23 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 27/07/2024 16:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117490MARKET INTERVENTION27/07/2024 03:00:51 PM

Cancellation - AEMO Intervention Event - SA region 26/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 26/07/2024

Refer to Market Notice 117472

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 27/07/2024.



Manager NEM Real Time Operations
117489MARKET INTERVENTION27/07/2024 02:59:32 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN

Refer to Market Notice 117485

Direction is cancelled from: 1500 hrs 27/07/2024

Manager NEM Real Time Operations
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm