Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Tuesday, 13 February 2024

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

Unit: TORRB4
Duration: 13/02/2024 17:45 to 13/02/2024 17:50
Amount: 14 MW
Constraint: NC-S_TORRB4

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Tuesday, 13 February 2024

AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:

Units: HPRG1, HPRL1
Aggregate Dispatch Group: HORNSDPR_ADG1
Duration: 13/02/2024 17:45 to 13/02/2024 17:50
Amount: 20 MW
Constraint: NC-S_HORNSDPR_ADG1

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AEMO ELECTRICITY MARKET NOTICE.

At 1543 hrs 13/02/2024 At Hazelwood terminal station in the Victoria region the following plant tripped.

The No1 500 kV / 220 kV transformer
The No2 500 kV / 220 kV transformer
The No3 500 kV / 220 kV transformer
The No4 500 kV / 220 kV transformer
The Jeeralang Hazelwood No2 220kV line.

Refer Market notice 114641

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.

Non-credible contingency event - TAS region - 13/02/2024

At 1602 hrs the Norwood -Scottsdale 110kV line and the Norwood - Scottsdale -Derby 110kV line tripped.

AEMO did not instruct load shedding.

AEMO has been advised 8MW of electrical load and 24MW of generation has been disconnected.

The cause of this non credible contingency event is not known at this stage.

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

NON-CONFORMANCE VIC1 Region Tuesday, 13 February 2024

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

Unit: YWPS4
Duration: 13/02/2024 14:50 to 13/02/2024 14:55
Amount: -25 MW
Constraint: NC-V_YWPS4

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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

NON-CONFORMANCE QLD1 Region Tuesday, 13 February 2024

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

Unit: MPP_2
Duration: 13/02/2024 12:05 to 13/02/2024 12:10
Amount: 15 MW
Constraint: NC-Q_MPP_2

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 13 February 2024

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

Unit: MPP_2
Duration: 13/02/2024 11:10 to 13/02/2024 11:25
Amount: 10 MW
Constraint: NC-Q_MPP_2

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