Market Notices

117238GENERAL NOTICE28/06/2024 08:43:51 AM

Fast Frequency Response Market - Dispatch of R1 and L1 FCAS in the SA region during island conditions from 1 July 2024

AEMO ELECTRICITY MARKET NOTICE

From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.

This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.

The dispatch of R1 and L1 FCAS under these island conditions will not be capped.

These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.

No other changes to the dispatch of R1 and L1 FCAS will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
     
117221MARKET INTERVENTION27/06/2024 04:00:52 PM

Direction - SA region 27/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 27/06/2024

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 1605 hrs on 27/06/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
117220MARKET INTERVENTION27/06/2024 03:19:09 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 117214

The synchronous generating units currently expected to be synchronised in SA from 0000 hrs 28/06/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 27/06/2024, 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
     
117214MARKET INTERVENTION27/06/2024 12:47:38 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 117208

The synchronous generating units currently expected to be synchronised in SA from 1000 hrs 28/06/2024 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
     
117210POWER SYSTEM EVENTS27/06/2024 09:01:59 AM

Non-credible contingency event - NSW region - 27/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 27/06/2024

At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.

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
     
117208MARKET INTERVENTION27/06/2024 06:28:57 AM

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 0100 hrs 28/06/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
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
     
117207MARKET INTERVENTION26/06/2024 03:08:40 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024

Refer Market Notice 117154

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs 26/06/2024

Manager NEM Real Time Operations
     
117200INTER-REGIONAL TRANSFER26/06/2024 02:36:10 PM

Inter-regional transfer limit variation - Heywood - South East No 2 275 kV Line - SA region - 26/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/06/2024

A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0815 hrs 26/06/2024 to 1930 hrs 26/06/2024.

The outage has been completed and Heywood - South East No 2 275 kV Line returned to service at 1410 hrs 26/06/2024

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

Manager NEM Real Time Operations
     
117154MARKET INTERVENTION25/06/2024 05:00:39 PM

Direction - SA region 25/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 25/06/2024

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 1705 hrs on 25/06/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
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