Market Notices

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024

The Actual LOR3 Condition in the VIC region advised in AEMO Electricity Market Notice No.114604 is cancelled at 1515 hrs 13/02/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

At 1308 hrs 13/02/2024 the Moorabool Sydenham No1 and No2 500 kV lines tripped.
There have been reports of towers on the ground.

In the Victorian region
1000 MW of customer load lost during the fault has been restored
2690 Generation tripped

The AEMO instructed loadshed of 300 MW is being progressively restored.

Updates will be provided as additional information becomes available.

This Market Notice is issued in accordance with NER clause 4.8.3.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 3 (LOR3) in the VIC region - 13/02/2024

Customer load shedding of non-interruptible load is occurring in the VIC region as a result of a shortfall of available capacity reserves.

An Actual LOR3 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the VIC region from 1420 hrs.
The Actual LOR3 condition is not forecast in Pre Dispatch.

The maximum load to be interrupted is up to 450 MW from 1420 hrs 13/02/2024

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Significant power system event - 13 Feb 2024

At 1308 hrs 13/02/2024 a significant power system event occurred.

Description of event - Multiple tripping of generation and transmission lines in the Vic region

Transmission element(s) tripped - Moorabool Sydenham No1 and No2 500 kV lines tripped

Region/s - Vic

Load interrupted - in excess of 1000 MW

Generation volume tripped - 2300 MW

Updates will be provided as additional information becomes available.

This Market Notice is issued in accordance with NER clause 4.8.3.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Variation to FCAS regulation raise requirements: NEM Mainland - 13/02/2024

FCAS Raise regulation requirements have been increased.to manage frequency.

The following constraint set has been invoked.

F-MAIN_RREG_0450 at 1200 hrs.


Manager NEM Real Time 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
Clare High School (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 12th Feb, 13th Feb

VIC
Mildura Ap (39+ Deg C): 12th Feb, 13th Feb

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: CHG0083624
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub

Change Title: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.

Change Start Date & Time: 18/02/2024 09:00:00 AEST
Change End Date & Time: 18/02/2024 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the Electricity B2B Hub will be unavailable.
- All access to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) will be unavailable. CATS and MDMT transactions for VIC/QLD will be delayed during the maintenance window.
- Users are not required to take any action due to this change, however will need to enact manual workarounds for 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 .

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): 11th Feb, 12th Feb

VIC
Mildura Ap (39+ Deg C): 12th Feb, 13th Feb

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): 11th Feb, 12th Feb

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