Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024

A planned outage of Armidale to Dumaresq (8C) 330 kV line in the NSW region was scheduled from 0500 hrs 17/11/2024 to 1700 hrs 17/11/2024.

The outage has been completed returned to service at 1330 hrs 17/11/2024

Constraint set(s) revoked:
N-ARDM_8C
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC

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
Port Augusta Ap (39+ Deg C): 16th Nov

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

Network Augmentation Commissioned - QLD Region - 15/11/2024

Commissioned:
S2 Halys - H148 Diamondy 8996 275 kV line

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 120276

There is an opportunity for testing Project Energy Connect (PEC-1) for flows in both directions up to 50 MW on 12th November from 16:30hrs to 22:00hrs

This test includes switching of a transmission line in SA and switching of a reactive plant in NSW.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 12/11/2024

Refer AEMO Electricity Market Notice 120305

At 1135 hrs the Yallourn No 1 220 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 12/11/2024

At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 120016

There is an opportunity for testing Project Energy Connect (PEC-1) for flows in both directions up to 50 MW on 12th November from 06:00hrs to 11:00hrs

This test includes the synchronization of the new PEC Stage 1 interconnector and testing of the Phase Shifting transformer at Buronga substation.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bungama - Davenport 275 kV line - SA region - 11/11/2024

At 1307 hrs 11/11/2024 there was an unplanned outage of the Bungama - Davenport 275 kV line.

The following constraint set invoked at 1315 hrs 11/11/2024
S-BGDV

This constraint sets contains equations with the following interconnectors on the LHS.
V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 119963

The Project Energy Connect (PEC-1) testing on 6th November has now been cancelled.

Terry Liu
AEMO Operations