Market Notices

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
117546INTER-REGIONAL TRANSFER04/08/2024 10:56:12 AM

Inter-regional transfer limit variation - Keilor to Sth Morang 500kV Line - VIC region - 04/08/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Keilor to Sth Morang 500kV Line - VIC region - 04/08/2024

A planned outage of Keilor to Sth Morang 500kV Line in the VIC region was scheduled from 1000 hrs 04/08/2024 to 1300 hrs 04/08/2024.

The outage has been completed and Keilor to Sth Morang 500kV Line returned to service at 1050 hrs 04/08/2024

Constraint set(s) revoked: V-KTSM_R

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
117496INTER-REGIONAL TRANSFER28/07/2024 11:42:01 AM

Inter-regional transfer limit variation - Heywood - South East No 2 275 kV Line - SA region - 26/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/07/2024

A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0830 hrs 26/07/2024 to 1730 hrs 28/07/2024.

The outage has been extended until 1200 hrs 29/07/2024

Constraint set(s) invoked:
I-HYSE
I-VS_050
I-VS+LKB_050

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
117487POWER SYSTEM EVENTS27/07/2024 10:52:18 AM

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

AEMO ELECTRICITY MARKET NOTICE.

Correction to Market Notice 117486

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

At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV 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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