Market Notices

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
96283POWER SYSTEM EVENTS12/05/2022 01:31:28 PM

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

AEMO ELECTRICITY MARKET NOTICE.

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

At 1239 hrs The Roseworthy Templers 132 kV line opened at Templers end only

AEMO did not instruct load shedding.

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
96237POWER SYSTEM EVENTS10/05/2022 02:40:22 PM

Non-credible contingency event - Vic region - 10/05/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 10/05/2022

At 1355 hrs the Terang No. 2 220 kV Bus tripped. The bus was returned to service at 1418 hrs.

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
96121POWER SYSTEM EVENTS06/05/2022 06:34:49 PM

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

AEMO ELECTRICITY MARKET NOTICE.

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

Refer AEMO ELECTRICITY MARKET NOTICE MN96114

At 1829 hrs the Chapel St - Electrona - Tee Kingston 110 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
96114POWER SYSTEM EVENTS06/05/2022 08:27:36 AM

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

AEMO ELECTRICITY MARKET NOTICE.

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

At 0751 hrs the Chapel St - Electrona - Tee Kingston 110 kV Line and the Chapel St - Knights Road - Tee Kingston 110 kV tripped.

AEMO did not instruct load shedding.

AEMO has been advised approx 50 MW disconnection of bulk electrical load.

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

Manager NEM Real Time Operations
95986POWER SYSTEM EVENTS01/05/2022 07:33:55 AM

Update - Non-credible contingency event - NSW region - 01/05/2022

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 01/05/2022

Refer AEMO ELECTRICITY MARKET NOTICE MN95985

At 0710 hrs 01/05/2022 the Molong No.1 and No 2 132kV Buses 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.

AEMO has now been advised there was a disconnection of 2.5 MW of bulk electrical load.

Manager NEM Real Time Operations
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