Market Notices

85791POWER SYSTEM EVENTS22/05/2021 09:10:39 AM

Update - Non-credible contingency event - Vic region - 22/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - Vic region - 22/05/2021

Refer AEMO ELECTRICITY MARKET NOTICE MN85785

At 0902 hrs the Springvale No2 220kV bus 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
85785POWER SYSTEM EVENTS22/05/2021 07:43:34 AM

Non-credible contingency event - Vic region - 22/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 22/05/2021

At 0728 hrs the Springvale No2 220kV 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 is not known at this stage.

Manager NEM Real Time Operations
85737POWER SYSTEM EVENTS21/05/2021 10:28:58 AM

Non-credible contingency event - NSW region - 21/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 21/05/2021

At 0955 hrs the Wagga - Gadara No.993 132 kV Line was deloaded. CB 9932 tripped at the Gadara 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
85442POWER SYSTEM EVENTS14/05/2021 04:11:32 PM

Non-credible contingency event - Vic region - 14/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 14/05/2021

At 1521 hrs the Newport 220 kV Bus 1 and the Fishermans Bend 220/66 kV B2 transformer 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
85358POWER SYSTEM EVENTS12/05/2021 10:53:20 AM

Non-credible contingency event - Tas region - 12/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Tas region - 12/05/2021

At 1027 hrs the Burnie No. 2 220/110kV transformer tripped on the 220kV side only, the B452 220kV circuit breaker opened.

At 1034 hrs the Burnie No. 2 220/110kV transformer was returned to service.

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
85332POWER SYSTEM EVENTS11/05/2021 12:28:50 PM

Update - Non-credible contingency event - NSW region - 11/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 11/05/2021

Refer AEMO ELECTRICITY MARKET NOTICE MN85323

At 1212 hrs the Port Macquarie - Taree No. 964 132 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
85323POWER SYSTEM EVENTS11/05/2021 05:15:56 AM

Non-credible contingency event - NSW region - 11/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 11/05/2021

At 0507 hrs the Port Macquarie - Taree No. 964 132 kV Line tripped at the Taree 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
85195POWER SYSTEM EVENTS08/05/2021 06:09:14 PM

Update - Non-credible contingency event - NSW region - 08/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 08/05/2021

Refer AEMO ELECTRICITY MARKET NOTICE MN 85193

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
85193POWER SYSTEM EVENTS08/05/2021 04:09:27 PM

Non-credible contingency event - NSW region - 08/05/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 08/05/2021

At 1548 hrs the Port Macquarie - Taree No. 964 132 kV Line tripped at the Taree 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
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