Market Notices

79806POWER SYSTEM EVENTS11/11/2020 09:34:54 AM

Non-credible contingency event - Victoria region - 11/11/2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Victoria region - 11/11/2020

At 0333 hrs the Heywood - Mortlake tee APD No2 500 kV Line tripped at the Heywood end only.

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 being investigated.


Manager NEM Real Time Operations



79496POWER SYSTEM EVENTS31/10/2020 12:29:01 PM

Non-credible contingency event - Tas region - 31/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 31/10/2020

At 1115 hrs the Chapel St - Gordon Nos 1 and 2 220kV Lines and the Gordon Power Station 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.


Manager NEM Real Time Operations
79309POWER SYSTEM EVENTS27/10/2020 11:38:38 AM

Non-credible contingency event - Vic region - 27/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 27/10/2020

At 1022 hrs the Newport D Power Station No 2 220 kV Busbar 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
79139POWER SYSTEM EVENTS23/10/2020 05:39:11 PM

Update - Non-credible contingency event - SA region - 23/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 23/10/2020

At 1442 hrs the Davenport - Bungama 275 kV Line and the East 275 kV Busbar at Davenport tripped.

At 1633 hrs The Davenport East 275 kV Busbar was returned to service. The Davenport - Bungama 275 kV line remains out of 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.


Manager NEM Real Time Operations


79126POWER SYSTEM EVENTS23/10/2020 03:07:49 PM

Non-credible contingency event - SA region - 23/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 23/10/2020

At 1442 hrs the Davenport - Bungama 275 kV Line and the East 275 kV Busbar at Davenport 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


78904POWER SYSTEM EVENTS16/10/2020 01:20:42 PM

Update - Non-credible contingency event - SA region - 16 Oct 2020

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 16 Oct 2020

Refer AEMO ELECTRICITY MARKET NOTICE 78888

At 1229 hrs the Brinkworth - Templers West and the Brinkworth - Davenport 275 kV Lines were 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
78888POWER SYSTEM EVENTS16/10/2020 07:18:01 AM

Non-credible contingency event - SA region - 16 Oct 2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 16 Oct 2020

At 0610hrs the Brinkworth - Templers West and the Brinkworth - Davenport 275 kV Lines 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
78757POWER SYSTEM EVENTS13/10/2020 02:00:14 PM

Non-credible contingency event - VIC region - 07/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 07/10/2020

At 1704 hrs loss of multiple generating units at Valley Power Gas Station. VPGS Units 1, 2, 3,4,5 and 6 tripped.

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

78598POWER SYSTEM EVENTS07/10/2020 05:49:02 PM

Non-credible contingency event - VIC region - 07/10/2020

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 07/10/2020

At 1704 hrs loss of multiple generating units at Valley Power Gas Station. VPGS Units 1, 2, 3, 4 , 5 and 6 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 and is under investigation.

Manager NEM Real Time Operations
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