Market Notices

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
118427GENERAL NOTICE24/09/2024 03:38:49 PM

Network Augmentation Commissioned - NSW Region - 24/09/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 24/09/2024

At 1535 hrs Buronga - Redcliffs X1 220 kV line has been commissioned.


Manager NEM Real Time Operations
118342GENERAL NOTICE20/09/2024 04:43:35 PM

Update - Lightning vulnerable lines in TAS region

AEMO ELECTRICITY MARKET NOTICE.

Update - Lightning vulnerable lines in TAS region

Refer to AEMO Electricity Market Notice 118320 ,118321, 118322

At 1340 hrs 19/09/2024 the Gordon - Chapel St No 1 220 kV line and the Gordon - Chapel St No 2 220 kV line tripped.
The cause of the trip was identified as due to Lightning.

In accordance with SO_OP_3715, AEMO now considers the Gordon - Chapel St No 1 220 kV line and the Gordon - Chapel St No 2 220 kV line to be vulnerable with a category of Vulnerability due to Lightning.

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
118322POWER SYSTEM EVENTS19/09/2024 04:16:27 PM

Update - Non-credible contingency event - TAS region - 19/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 19/09/2024

Refer AEMO Electricity Market Notice 118321

At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.

This non-credible contingency event was caused by lightning. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.


Manager NEM Real Time Operations
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