Market Notices

AEMO ELECTRICITY MARKET NOTICE

The Moorabool - Cressy No 1 500 kV line in the Victoria (VIC) region is planned to be out of service from 0600 hrs to 1700 hrs on 19/06/2025.

A credible contingency event during this planned outage could cause synchronous separation of the South Australia (SA) region from the rest of the NEM.

During this planned outage:

* Power transfer will be restricted across the VIC - SA interconnector (Heywood interconnector); and
* Post contingent FCAS will be sourced within SA following Separation event.

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Monday, 16 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MOKOSF1
Duration: 16/06/2025 11:20 to 16/06/2025 11:30
Amount: 30 MW
Constraint: NC-V_MOKOSF1

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Monday, 16 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MOKOSF1
Duration: 16/06/2025 10:15 to 16/06/2025 10:45
Amount: 12 MW
Constraint: NC-V_MOKOSF1

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 14 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: YARANSF1
Duration: 14/06/2025 11:10 to 14/06/2025 12:05
Amount: 67 MW
Constraint: NC-Q_YARANSF1

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Friday, 13 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: CAPBES1
Duration: 13/06/2025 03:35 to 13/06/2025 04:00
Amount: -35 MW
Constraint: NC-N_CAPBES1

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Thursday, 12 June 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: YWPS4
Duration: 12/06/2025 00:05 to 12/06/2025 00:10
Amount: 14 MW
Constraint: NC-V_YWPS4

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AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 11/06/2025

Refer AEMO Electricity Market Notice 127500

At 1050 hrs the Belmont - Loganlea 829 275 kV line was returned to service and previously (11/06/25) the Belmont (H3) No. 1 275 kV bus had 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.

Update - Non-credible contingency event - QLD region - 11/06/2025

Refer AEMO Electricity Market Notice 127499

At 1713 hrs the Belmont (H3) No.1 275 kV bus and Loganlea - Belmont (829) 275 kV line 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.

Non-credible contingency event - QLD region - 11/06/2025

At 1713 hrs the Belmont (H3) No.1 275 kV bus 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