Market Notices

118993RESERVE NOTICE17/10/2024 06:19:52 PM

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 17/10/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The capacity reserve requirement is 1136 MW
The minimum capacity reserve available is 1076 MW

Manager NEM Real Time Operations
     
118672CONSTRAINTS08/10/2024 01:13:36 PM

Managing outages that create a credible risk of SA islanding

AEMO ELECTRICITY MARKET NOTICE

From 9th Oct 2024 AEMO will change constraints used during outages that create a credible risk of SA islanding.

From this date AEMO will:

1) Increase the maximum allowable flow on the V-SA interconnector from 50 MW to 250 MW in the VIC to SA direction, where the transmission outages is a planned outage.

2) Operate the SA region to the default 49-51 Hz target frequency containment band following a contingency event resulting in actual SA islanding. In order to meet this requirement, AEMO may now procure Contingency Raise FCAS locally from the SA region during these outages.

These changes reflect updated advice received by AEMO from the SA Jurisdictional System Security Coordinator.

The first network outage affected by this change is planned for 14th October 2024.

Andrew Groom
AEMO Operations
     
118474RESERVE NOTICE26/09/2024 08:01:21 PM

Cancellation of Actual (LOR1) condition in the NSW region - 26/09/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 26/09/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.118473 is cancelled at 2000 hrs 26/09/2024.

Manager NEM Real Time Operations
118473RESERVE NOTICE26/09/2024 06:48:28 PM

Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

The Actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 118472 has been updated at 1850 hrs to the following:

The Actual LOR1 condition is forecast to exist until 2000 hrs.

The forecast capacity reserve requirement is 1420 MW.
The minimum capacity reserve available is 996 MW.

Manager NEM Real Time Operations
118472RESERVE NOTICE26/09/2024 06:15:18 PM

Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

The actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 118471 has been updated at 1815 hrs to the following:

The Actual LOR1 condition is forecast to exist until 2000 hrs.

The forecast capacity reserve requirement is 1420 MW.
The minimum capacity reserve available is 726 MW.

Manager NEM Real Time Operations
118471RESERVE NOTICE26/09/2024 04:41:23 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1630 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1440 MW
The minimum capacity reserve available is 1027 MW

Manager NEM Real Time Operations
118434RESERVE NOTICE25/09/2024 01:24:21 AM

Cancellation of Actual (LOR1) condition in the SA region - 24/09/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the SA region - 24/09/2024

The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.118433 is cancelled at 0120 hrs 25/09/2024.

Manager NEM Real Time Operations
118433RESERVE NOTICE24/09/2024 11:13:14 PM

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2300 hrs.
The Actual LOR1 condition is forecast to exist until 0200 hrs

The capacity reserve requirement is 600 MW
The minimum capacity reserve available is 520 MW

Manager NEM Real Time Operations
118323CONSTRAINTS19/09/2024 04:20:22 PM

Update to system normal constraint equation in NSW for transient voltage stability in south-west NSW

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 92840.

Transgrid has advised AEMO of an update to the transient voltage stability limit in south-west NSW for loss of Darlington Point to Wagga (63) 330 kV line. The limit will include terms for the Darlington Point and Riverina BESS.

The following constraint equation will be updated with the above changes at 1100 hrs Friday 20th September 2024.
N::N_NIL_63

For full details on the formulation, the new constraint equation has now been loaded into AEMO's pre-production systems.

For further details on these constraint equation please contact ben.blake@aemo.com.au

Ben Blake
AEMO Operations
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