Market Notices

114669NON-CONFORMANCE13/02/2024 05:52:22 PM

NON-CONFORMANCE Region SA1 Tuesday, 13 February 2024

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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114668NON-CONFORMANCE13/02/2024 05:51:32 PM

NON-CONFORMANCE Region SA1 Tuesday, 13 February 2024

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

Auto-generated on behalf of Manager NEM Real Time Operations
114643POWER SYSTEM EVENTS13/02/2024 04:13:14 PM

Significant power system event - Victoria Region - Hazelwood transformers -13/02/2024

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
114642POWER SYSTEM EVENTS13/02/2024 04:14:12 PM

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

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
114632RESERVE NOTICE13/02/2024 03:19:41 PM

Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR3) condition in the VIC region - 13/02/2024

The Actual LOR3 Condition in the VIC region advised in AEMO Electricity Market Notice No.114604 is cancelled at 1515 hrs 13/02/2024.

Manager NEM Real Time Operations
114625POWER SYSTEM EVENTS13/02/2024 03:06:04 PM

Significant power system event - Victoria region - 13/02/2024

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
114617NON-CONFORMANCE13/02/2024 02:55:18 PM

NON-CONFORMANCE Region VIC1 Tuesday, 13 February 2024

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

Auto-generated on behalf of Manager NEM Real Time Operations
114604RESERVE NOTICE13/02/2024 02:27:41 PM

Actual Lack Of Reserve Level 3 (LOR3) in the VIC region - 13/02/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 3 (LOR3) in the VIC region - 13/02/2024

Customer load shedding of non-interruptible load is occurring in the VIC region as a result of a shortfall of available capacity reserves.

An Actual LOR3 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the VIC region from 1420 hrs.
The Actual LOR3 condition is not forecast in Pre Dispatch.

The maximum load to be interrupted is up to 450 MW from 1420 hrs 13/02/2024

Manager NEM Real Time Operations
114577POWER SYSTEM EVENTS13/02/2024 01:22:13 PM

Significant power system event - 13 Feb 2024

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
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