Market Notices

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.

NSW
Deniliquin Ap (39+ Deg C): 24th Jan, 25th Jan, 26th Jan
Mudgee Ap (39+ Deg C): 25th Jan, 26th Jan
Yass (39+ Deg C): 25th Jan

QLD
Dalby Ap (37+ Deg C): 26th Jan

SA
Adelaide West Terrace (39+ Deg C): 24th Jan, 26th Jan
Clare High School (39+ Deg C): 24th Jan, 25th Jan, 26th Jan
Mt Gambier Ap (39+ Deg C): 24th Jan, 26th Jan
Port Augusta Ap (39+ Deg C): 23rd Jan, 24th Jan, 25th Jan, 26th Jan

VIC
Ararat Prison (39+ Deg C): 24th Jan
Melbourne Olympic Park (39+ Deg C): 24th Jan
Mildura Ap (39+ Deg C): 24th Jan, 25th Jan, 26th Jan
Mortlake (39+ Deg C): 24th Jan

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 a review of the operation of the Very Fast FCAS market, from 27th Jan 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 20 MW to 100 MW, during periods where islanding of the QLD region is considered credible.

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

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

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.

NSW
Deniliquin Ap (39+ Deg C): 24th Jan, 25th Jan
Mudgee Ap (39+ Deg C): 25th Jan

QLD
Dalby Ap (37+ Deg C): 23rd Jan, 25th Jan

SA
Adelaide West Terrace (39+ Deg C): 24th Jan
Clare High School (39+ Deg C): 24th Jan, 25th Jan
Mt Gambier Ap (39+ Deg C): 24th Jan
Port Augusta Ap (39+ Deg C): 23rd Jan, 24th Jan, 25th Jan

VIC
Ararat Prison (39+ Deg C): 24th Jan
Melbourne Olympic Park (39+ Deg C): 24th Jan
Mildura Ap (39+ Deg C): 24th Jan, 25th Jan
Mortlake (39+ Deg C): 24th Jan

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

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.

NSW
Deniliquin Ap (39+ Deg C): 24th Jan

SA
Adelaide West Terrace (39+ Deg C): 24th Jan
Clare High School (39+ Deg C): 24th Jan
Mt Gambier Ap (39+ Deg C): 24th Jan
Port Augusta Ap (39+ Deg C): 23rd Jan, 24th Jan

VIC
Ararat Prison (39+ Deg C): 24th Jan
Melbourne Olympic Park (39+ Deg C): 24th Jan
Mildura Ap (39+ Deg C): 24th Jan
Mortlake (39+ Deg C): 24th Jan

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: CHG0106953

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Market VPN
Change Title: Upgrade of Marketnet SSL VPN Client

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0108533

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market
Change Title: DWGM Planned outage for maintenance.
Change Start Date & Time: 20/01/2026 18:30:00
Change End Date & Time: 31/03/2026 19:30:00
Outage Start Date & Time: 20/01/2026 18:30:00
Outage End Date & Time: 20/01/2026 19:00:00
Environment: Production
Participant Impact and Requirements: The DWGM MIBB, WEX and CC auction portal may be disrupted briefly during the window.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.

Initial - CHG0108533 - DWGM Planned outage for maintenance.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.

QLD
Dalby Ap (37+ Deg C): 17th Jan

SA
Port Augusta Ap (39+ Deg C): 18th Jan

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

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): 18th Jan

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: CHG0106953

Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Market VPN
Change Title: Upgrade of Marketnet SSL VPN Client
Change Start Date & Time: 19/01/2026 10:00:00
Change End Date & Time: 19/01/2026 17:00:00
Outage Start Date & Time: 19/01/2026 11:00:00
Outage End Date & Time: 19/01/2026 12:00:00

Environment: Production

Participant Impact and Requirements: Planned maintenance to update the Marketnet SSLVPN Anyconnect client will commence on 19th Janurary 2026. This change will require a software upgrade for all Marketnet users connecting to the SSLVPN service marketnetvpn.aemo.com.au. The Anyconnect client upgrade installation will automatically occur on the next login after the change has been completed. Please note that if the installation fails, you may need to contact your IT team to confirm you have the correct permissions for your local PC to install the new client version.

The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - No impact is expected

Lan-2-Lan VPN Participants (IPSEC) - No impact is expected

B2B VPN - No impact is expected.

SSL VPN Participants: All SSL VPN users will be required to update the Anyconnect VPN client upon connecting to the VPN after the change has completed.

GASHUB: No impact is expected

Other Impacts will have been communicated in advance.

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.