Market Notices

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.

Refer to Market Notice 121617 for Forecast MSL1.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024

Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.

Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 06/12/2024

At 1358 hrs 06/12/2024, the Buronga No.8 330/220 kV transformer has been commissioned.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 08/12/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations

Change Number: CHG0100220

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System_PreProd

Change Title: Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages

Change Start Date & Time: 09/12/2024 08:00:00 AEST
Change End Date & Time: 10/12/2024 23:00:00 AEST
Outage Start Date & Time: 09/12/2024 08:00:00 AEST
Outage End Date & Time: 10/12/2024 23:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: This Maintenance activity may cause intermittent outages to below applications during the outage period .

Impacted Systems:
1.EMMS systems (Dispatch/ PASA/ Forecasting/ Settlements)
2.Identity Service will be running only for authentication purposes.
3.Web Portal including menu items (Markets, Internal & Public portal)
4.GSH
5.GBB
6.Any GAS systems that have a NEMA / WARA database connection.
7.MSATS
8.CDR
9.DERR

If any ongoing issues are identified, please contact the AEMO Support Hub 1300 236 600.

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 .

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): 5th Dec
Port Augusta Ap (39+ Deg C): 5th Dec

VIC
Mildura Ap (39+ Deg C): 6th Dec

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

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on 9th December AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 375 MW to 425 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations

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
Port Augusta Ap (39+ Deg C): 5th Dec, 6th Dec

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

SERVICE INTERRUPTION - RESOLVED

The service interruption relating to the Electricity Market Management System service has been resolved.

For further enquiries please contact the AEMO Support Hub

Phone: 1300 236 600

Email: supporthub@aemo.com.au

AEMO IT Duty Manager