Market Notices

94021POWER SYSTEM EVENTS24/01/2022 07:45:02 PM

Non-credible contingency event TAS region - 24/01/2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 24/01/2022

At 1917 hrs the New Norfolk - Boyer No 1 110 kV Line and the New Norfolk - Boyer No 2 110 kV Line tripped.

AEMO did not instruct load shedding.

89 MW of bulk electrical load has been disconnected.

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

Manager NEM Real Time Operations
93882POWER SYSTEM EVENTS15/01/2022 02:49:14 PM

Non-credible contingency event - Qld region - 15 Jan 2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Qld region - 15 Jan 2022

At 1043 hrs the Ross - Millchester No 7182 132kV line tripped at the Ross 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 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
93627POWER SYSTEM EVENTS06/01/2022 10:22:15 PM

Non-credible contingency event - Vic region - 06 Jan 2022

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 06 Jan 2022

At 2042 hrs the Rowville - Yallourn No 8 220kV line tripped at the Rowville 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 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
93522POWER SYSTEM EVENTS02/01/2022 12:28:02 AM

Non-credible contingency event - TAS region - 01/01/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 01/01/2021

At 2341 hrs the Bell Bay Aluminium No. 3 potline and the Bell Bay Aluminium No 4 potline 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
93490POWER SYSTEM EVENTS31/12/2021 02:20:55 AM

Update - Non-credible contingency event - Vic region - 30/12/2021

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - Vic region - 30/12/2021

Refer AEMO ELECTRICITY MARKET NOTICE MN93489

At 0152 hrs the Rowville - Yallourn No 8 220kV 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
93489POWER SYSTEM EVENTS30/12/2021 09:36:29 PM

Non-credible contingency event - Vic region - 30 Dec 2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 30 Dec 2021

At 2055 hrs the Rowville - Yallourn No 8 220kV line tripped at the Rowville 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
93318POWER SYSTEM EVENTS21/12/2021 08:04:20 AM

Non-credible contingency event - VIC region - 21/12/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - Vic region - 21/12/2021

At 0725 hrs the Heywood - APD No 2 500 kV line opened at the APD 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.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

At 0756 hrs the Heywood - APD No 2 500 kV line was returned to service.

Manager NEM Real Time Operations
92909POWER SYSTEM EVENTS02/12/2021 07:19:34 PM

Non-credible contingency event - TAS region - 02/12/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 02/12/2021

At 1839 hrs the Tungatinah - New Norfolk 03 110kV kV line tripped and auto reclosed and Meadowbank generator 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
92891POWER SYSTEM EVENTS02/12/2021 05:34:12 PM

Non-credible contingency event - TAS region - 02/12/2021

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 02/12/2021

At 1559 hrs the Liapoota - Chapel St 2 220 kV line and the Waddamana T1 110/22 kV 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
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