Market Notices

112185MARKET INTERVENTION11/12/2023 03:20:21 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 112176

The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 0800 hrs 12/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112178MARKET INTERVENTION11/12/2023 02:00:57 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023

Refer Market Notice 112159

The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 11/12/2023

Manager NEM Real Time Operations
112176MARKET INTERVENTION11/12/2023 12:46:58 PM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA.

AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112165POWER SYSTEM EVENTS11/12/2023 06:36:10 AM

Non-credible contingency event - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 11/12/2023

At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro 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
112159MARKET INTERVENTION10/12/2023 05:05:58 PM

Update - Direction - SA Region - 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 08/12/2023

Refer Market Notice 112113

The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

Manager NEM Real Time Operations
112154RESERVE NOTICE09/12/2023 06:50:27 PM

Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112137 is cancelled at 1850 hrs 09/12/2023.

Manager NEM Real Time Operations
112138MARKET INTERVENTION09/12/2023 05:37:54 PM

Update - Direction - SA Region - 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 08/12/2023

Refer Market Notice 112113

The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

Manager NEM Real Time Operations
112137RESERVE NOTICE09/12/2023 05:16:02 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.

The Actual LOR1 condition is forecast to exist until 1830 hrs.

The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1344 MW.

Manager NEM Real Time Operations
112113MARKET INTERVENTION08/12/2023 04:30:03 PM

Direction - SA region 08/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 08/12/2023

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1635 hrs on 08/12/2023.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
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