Market Notices

Change Number: CHG0085737

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Pre-production EMMS database refresh

Change Start Date & Time: 26/02/2024 08:00:00 AEST

Change End Date & Time: 17/03/2024 17:30:00 AEST

Outage Start Date & Time: 04/03/2024 08:00:00 AEST

Outage End Date & Time: 08/03/2024 17:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements:
The Electricity Market Management System (EMMS) and Gas Supply Hub (GSH) Pre-Production environment outage window is completed. Pre-Production environment is back online

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: CHG0085747

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Retail Pre-Production Data refresh (CATS and EMDM)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Adelaide West Terrace (39+ Deg C): 9th Mar, 10th Mar
Mt Gambier Ap (39+ Deg C): 9th Mar, 11th Mar
Port Augusta Ap (39+ Deg C): 8th Mar, 9th Mar, 10th Mar, 11th Mar, 12th Mar

TAS
Launceston Ti Tree Bend (33+ Deg C): 10th Mar

VIC
Latrobe Valley Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar
Mildura Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar, 12th Mar
Mortlake (39+ Deg C): 9th Mar, 11th Mar

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 07/03/2024

Refer Market Notice 115528

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1515 hrs 07/03/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 06/03/2024

Refer Market Notice 115522

The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 07/03/2024

Manager NEM Real Time Operations

Change Number: CHG0086159
Notification issued to: Market Notice
Notification Type: Completed
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.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Adelaide West Terrace (39+ Deg C): 9th Mar
Mt Gambier Ap (39+ Deg C): 9th Mar
Port Augusta Ap (39+ Deg C): 8th Mar, 9th Mar, 10th Mar, 11th Mar

VIC
Latrobe Valley Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar
Mildura Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar
Mortlake (39+ Deg C): 9th Mar

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning

Change Number: CHG0086834
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Emergency
Service/Component: MDM - Meter Data Management
Change Title: MSATS - Enterprise MDM Emergency Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0000 hrs 08/03/2024 will be inadequate to maintain a secure operating state in SA.
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