Market Notices

Change Number: CHG0090463

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: 19/06/2024 09:00:00 AEST
Change End Date & Time: 19/06/2024 22:00:00 AEST
Outage Start Date & Time: 19/06/2024 18:30:00 AEST
Outage End Date & Time: 19/06/2024 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 .

Change Number: CHG0090611

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch

Change Title: Changes to 7-day pre-dispatch (PD7DAY) reports to only publish 5 days.
Change Start Date & Time: 17/06/2024 08:00:00 AEST
Change End Date & Time: 21/06/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: PD7DAY are reports published at least once a day and up to three times a day to assist with the administration of the gas industry's Gas Supply Guarantee and with short-term planning of gas supplies. AEMO has identified a performance issue with PD7DAY that has reduced the reliability of the delivery of the reports. As an interim measure, AEMO will reduce the outlook of PD7 DAY to 5 days which AEMO expects will reduce the frequency of missed reports.

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: CHG0090585

Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: Dispatch Applications Upgrade

Change Start Date & Time: 20/06/2024 09:00:00 AEST
Change End Date & Time: 21/06/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: Under this change, AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch ,5-Minute Predispatch ,Predispatch, PD7 as part of the Integrating Energy Storage Systems project (IESS).

No outage required.
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: CHG0089854
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

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 11/06/2024

Refer Market Notice 116945

The AEMO Intervention Event and all associated directions are cancelled from 0430 hrs 12/06/2024

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 11/06/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1605 hrs on 11/06/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 116924

The synchronous generating units currently expected to be synchronised in SA from 2130 hrs 11/06/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 11/06/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 09/06/2024

Refer Market Notice 116925

The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 11/06/2024

Manager NEM Real Time Operations

Change Number: CHG0089972
Notification issued to: Market Notice Notification
Type: Completed
Change Type: Normal Service/Component: Internet Access
Change Title: Planned Maintenance to Norwest Internet firewall.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.