Market Notices

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 18/06/2024

At 0839 hrs the Glenrowan No1 66kV Bus 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

Change Number: CHG0090550
Notification issued to: Market Notice

Notification Type: Cancelled
Change Type: Normal
Service/ Component: Gas FRC - CATS

Change Title: Maintenance activities to be performed on 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

Change Number: CHG0089836
Notification issued to: Market Notice
Notification Type: Completed

Change Type: Normal
Service/Component: Gas Hub

Change Title: Renewal and update of AEMO's FBS-Test-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

NON-CONFORMANCE QLD1 Region Monday, 17 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: 17/06/2024 04:30 to 17/06/2024 05:25
Amount: -51 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0090646
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Market Network
Change Title: Planned maintenance affecting the AEMO Market Network.

Change Start Date & Time: 24/06/2024 09:30:00 AEST
Change End Date & Time: 24/06/2024 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 24th of June 2024, between 07:30AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Sydney.

No outage or impact is expected, however AEMO recommends that all market participants with site to site VPN connections currently connected via Sydney, to switch these connections to the Brisbane site as a precaution.

Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Brisbane site and do not need to take any action.
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: CHG0090550

Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Gas FRC - CATS
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Production.

Change Start Date & Time: 21/06/2024 09:00:00 AEST
Change End Date & Time: 24/06/2024 17:00:00 AEST
Outage Start Date & Time: 23/06/2024 10:00:00 AEST
Outage End Date & Time: 23/06/2024 14:00:00 AEST
Environment: Production

Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the VIC & QLD RETAIL GFRC Production Systems will be unavailable.

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: CHG0089794

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Electricity Market Management System
Change Title: EMMS Production Systems will be transferred to the alternative datacentre for maintenance activities .

Change Start Date & Time: 17/06/2024 08:00:00 AEST
Change End Date & Time: 19/06/2024 17:30:00 AEST
Outage Start Date & Time: 18/06/2024 13:25:00 AEST
Outage End Date & Time: 18/06/2024 13:30:00 AEST

Environment: Production
Participant Impact and Requirements: The maintenance activity is not expected to have any impact however delays to Dispatch cycles, bid submission, and outage to the AEMO Markets Portal are possible during the outage window on Tuesday 18th June around 13:25 to 13:30 AEST.CDR will not be available during the outage period.

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: 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 .