Market Notices

117783POWER SYSTEM EVENTS25/08/2024 10:33:54 AM

Update - Non-credible contingency event - TAS region - 25/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 25/08/2024

Refer AEMO Electricity Market Notice 117782

At 1023 hrs the New Norfolk A 110kV 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
117782POWER SYSTEM EVENTS25/08/2024 09:24:53 AM

Non-credible contingency event - TAS region - 25/08/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 25/08/2024

At 0850 hrs the New Norfolk A 110kV 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
117565RESERVE NOTICE05/08/2024 09:47:16 PM

Cancellation of Actual (LOR1) condition in the SA region - 05/08/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the SA region - 05/08/2024

The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No. 117564 is cancelled at 2145 hrs 05/08/2024.

Manager NEM Real Time Operations
117564RESERVE NOTICE05/08/2024 09:25:40 PM

Update - Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024

The actual LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117563 has been updated at 2120 hrs to the following:

The Actual LOR1 condition is forecast to exist until 2130 hrs.

The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 377 MW.

Manager NEM Real Time Operations
117563RESERVE NOTICE05/08/2024 08:44:48 PM

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2030 hrs.
The Actual LOR1 condition is forecast to exist until 2100 hrs.

The capacity reserve requirement is 450 MW
The minimum capacity reserve available is 428 MW

Manager NEM Real Time Operations
117510RESERVE NOTICE30/07/2024 08:43:12 PM

Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024

The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No. 117509 is cancelled at 2040 hrs 30/07/2024.

Manager NEM Real Time Operations
117509RESERVE NOTICE30/07/2024 08:17:01 PM

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2000 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs

The capacity reserve requirement is 450 MW
The minimum capacity reserve available is 404 MW

Manager NEM Real Time Operations
117503POWER SYSTEM EVENTS30/07/2024 07:07:11 AM

Non-credible contingency event - QLD region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 30/07/2024

At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 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
117500POWER SYSTEM EVENTS28/07/2024 05:14:14 PM

Update - Non-credible contingency event - QLD region - 27/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 27/07/2024

Refer AEMO Electricity Market Notice 117487

At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
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