Market Notices

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

Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 07/11/2024.

Refer to Market Notice 119996 for Forecast MSL1.

AEMO 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

AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119920 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1745 MW
o MSL2 - 1245 MW
o MSL3 - 745 MW

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

1. From 1230 hrs to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1719 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

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 06/11/2024.

Refer to Market Notice 119866 for Forecast MSL1.

AEMO Operations