Market Notices

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 of Actual (LOR1) condition in the QLD region - 07/11/2024

The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.120112 is cancelled at 2010 hrs 07/11/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 07/11/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.120113 is cancelled at 1945 hrs 07/11/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 07/11/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1430 MW
The minimum capacity reserve available is 1201 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 07/11/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1090 MW
The minimum capacity reserve available is 897 MW

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