Market Notices

99720POWER SYSTEM EVENTS27/06/2022 04:37:38 PM

Non-credible contingency event - QLD region - 27/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 27/06/2022

At 1444 hrs Braemar Unit 1 tripped and R2 Braemar - Braemar PS 8838 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
     
96966POWER SYSTEM EVENTS12/06/2022 05:36:00 AM

Non-credible contingency event - Tas region - 12/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 12/06/2022

At 0456 hrs the Burnie - Hampshire 110 kV Line tripped. At the same time the Burnie - Sheffield No. 2 110 kV Line tripped at the Burnie end only and Studland Bay WF tripped from 62 MW

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
     
96965POWER SYSTEM EVENTS12/06/2022 02:01:19 AM

Non-credible contingency event - Tas region - 12/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 12/06/2022

At 0131 hrs the Burnie - Hampshire 110 kV Line tripped at the Burnie 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 not known at this stage.

Manager NEM Real Time Operations
     
96964POWER SYSTEM EVENTS11/06/2022 11:12:09 PM

Non-credible contingency event - Tas region - 11/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 11/06/2022

At 2229 hrs the Palmerston - St Marys tee Avoca 110 kV Line tripped and Mussleroe Wind Farm reduced output by approximately 135 MW.

AEMO did not instruct load shedding.

Approximately 9 MW load was lost.

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

Manager NEM Real Time Operations
     
96818POWER SYSTEM EVENTS05/06/2022 06:31:49 PM

Update - Non-credible contingency event - Tas region - 05/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - Tas region - 05/06/2022

Refer AEMO ELECTRICITY MARKET NOTICE 96781

At 1758 hrs the Gordon - Chapel Street No. 2 220 kV Line 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
     
96781POWER SYSTEM EVENTS05/06/2022 12:13:22 PM

Non-credible contingency event - Tas region - 05/06/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 05/06/2022

At 1103 hrs the Gordon - Chapel Street No. 2 220 kV Line tripped and at the same time there was a reduction of approximately 70 MW of industrial load in Tasmania.

AEMO did not instruct load shedding.

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

Manager NEM Real Time Operations
     
96555POWER SYSTEM EVENTS25/05/2022 01:43:38 PM

Non-credible contingency event - NSW region - 25/05/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 25/05/2022

At 1250 hrs the Waratah West B 330kV 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 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
     
96334POWER SYSTEM EVENTS14/05/2022 05:39:11 PM

Update - Non-credible contingency event - TAS region - 12/05/2022

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 12/05/2022

Refer AEMO ELECTRICITY MARKET NOTICE MN 96284

At 1315 hrs 12/05/2022, the Gordon power station generators No1, No2 and No3 tripped from a total of 355 MW.

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
     
96284POWER SYSTEM EVENTS12/05/2022 01:39:12 PM

Non-credible contingency event - TAS region - 12/05/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 12/05/2022

At 1315 hrs The Gordon power station generators No1, No2 and No3 tripped from a total of 355 MW.

AEMO did not instruct load shedding.

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

Manager NEM Real Time Operations
     
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